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In this work the variation of mechanical properties like tensile, impact and chemical resistance properties of randomly oriented sisal/glass fibre reinforced hybrid composites with different fibre ratios (50:50,45:55,40:60,30:70) was studied. Hand lay up method is used for making the composites with epoxy resin. The result shows that increase in chemical, impact properties of composites with increase in fibre loading. Also it was observed that significant improvement in tensile properties of hybrid composites by alkali treatment.

Here, 1 mol% Dy,Ce co-doped ZnO nanoparticles were synthesized via a simple, cost-effective combustion method which could produce large-scale products. The structure and phase purity of synthesized nanoparticles were shown by X-ray diffraction, selected-area-electron-diffraction patterns and Raman spectroscopy to be a hexagonal wurtzite structure with no secondary peaks. Spherical morphology was shown by field emission scanning electron microscopy and high-resolution transmission electron microscopy. The presence of dopants with elemental composition was authenticated by energy dispersive spectroscopy and elemental mapping. Enhanced reflectance in the visible region for Ce-doped ZnO samples was noted by diffuse reflectance spectroscopy. An increase in the bandgap for doped samples was indicated by the Kubelka–Munk function. Significant visible luminescence was observed, which varied with different excitations. The room-temperature weak ferromagnetic behaviour of 2 mol% Ce-doped ZnO and distinct paramagnetic behaviour of 1 mol% Dy,Ce co-doped ZnO was detected using vibrating sample magnetometry.

Borosilicate glasses (BSG) are promising vitrification matrix for immobilization of contaminated sodium. Nine compositions of BSG were synthesized with O/Si ratio ranging from 3.7 to 4.8 by melt quench method. X-ray diffraction technique and scanning electron microscopy were used to ascertain the amorphous nature of glass and crystalline nature of heat treated glass. Linear thermal expansion of borosilicate glasses was determined by dilatometry. Based on maximum loading of Na2O, high density, minimum weight loss during synthesis, and volatilization studies, BSG with 45.1 SiO2 – 30.4 Na2O – 11.1 B2O3 -7.3 CaO - 6.2 ZnO (mol %) was chosen as the recommended composition and also demonstrated the immobilization of contamination of sodium with the addition of U3O8. Cold crystallization of pristine and contaminated sodium revealed the formation of Na4Ca4(Si6O18) phase during heat treatment at 1013 K in air atmosphere. Volatilization studies of above chosen composition under dynamic argon flow showed a maximum of 0.2 % weight loss, an advantage during the homogenization of the melt.

In recent years, spin-based electric devices, i.e., spintronics, have attracted interest in next generation electrical devices—charge flows faster and energy loss is lower. In the case of ferromagnetic material, charge may flow faster but energy loss is high due to its heating effect. The aim is to explore paramagnetic material in spintronics on the basis of spin Hall effect (SHE). This study presents the preparation and characterization of Ni-doped CeO2 by a combustion technique. The characterization was studied by powder X-ray diffraction analysis (XRDA), high-resolution transmission electron microscopy (HR-TEM), vibrating sample magnetometry (VSM), electrical impedance studies, and X-ray photoelectron spectroscopy (XPS) analysis. VSM studies reveal Ni-doped CeO2 is paramagnetic in nature, which will open the possibility of realizing spintronics devices.

Economically viable electrochemical approach has been developed for the synthesis of Pt nanoparticles through electrodeposition technique on the surface of Reduced Graphite Oxide (RGO). Pt nanoparticles embedded Reduced Graphite Oxide on Glassy Carbon Electrode are employed (Pt-rGO/GCE) for electrooxidation of formic acid. Scanning Electron Microscopy (SEM) image and Transmission Electron Microscopy (TEM) image shows that reduced graphite oxide act as an excellent support to anchor the Pt nanoparticles. Cyclic voltammetry results confirmed that Pt-rGO/GCE enhanced current density as many folds than that of bare platinum electrode for electrooxidation of formic acid. X-ray diffraction (XRD) patterns for Pt-graphene composites illustrate that peaks at 69.15 and 23° for Pt (220) and graphene carbon (002) respectively. 13C NMR spectrum of the electrochemically reduced graphite oxide resonance contains only one peak at 133 ppm which retains graphitic sp2 carbon and does not contain any oxygenated carbon and the carbonyl carbons.

The aim of the present investigation was to formulate fast dissolving tablets of Cefixime by wet granulation using super disintegrants such as crospovidone, croscarmellose sodium, and sodium starch glycolate. The prepared tablets were evaluated for post compressional parameters like hardness, friability, weight variation, in-vitro disintegration time, in-vitro dispersion time, wetting time, in-vitro drug release studies. The drug-excipient interaction was studied by Fourier transform infrared spectroscopy (FTIR) studies. No chemical interaction between drug and excipients was confirmed by FTIR studies. Amongst all formulations, formulation F12 prepared by 24 mg of crospovidone showed less disintegrating time of 18.4 sec and faster dissolution. Enhancement of oral Bioavailability of cefixime can be increased by formulating it as a Fast Dissolving Tablet using crospovidone as super disintegrating agent.

The aim of this work is to study the attainable velocities for a supersonic diffuser. Numerical analysis is carried out to identify the supersonic characteristics. The deceleration of air from free stream supersonic velocities in the 2D channel has been studied and analysed at a specific altitude. Ramp instalment maximizes the total pressure recovery. The geometry is generated in CATIA software and 2-D flow numerical simulation is done using ANSYS-CFD V15.0. Flow analysis is done by keeping the altitude constant and varying the inlet Mach number. A comprehensive study from the analysis provides the range in which Mach number at the inlet can be varied for a supersonic aircraft. The obtained flow phenomena in the supersonic diffuser domain are reported with the help of Mach number, static pressure, and velocity plots.

We report that 1% and 3% wt concentration of gallium sesquioxide (Ga2O3) doped tausonite (SrTiO3) compounds have been developed by mechanochemical synthesis followed by calcination process and their microstructural, spectral and opto-electrical characterization are discussed for the first time. The lattice parameter values of the Ga2O3 doped SrTiO3 samples were examined using the X- ray Diffraction (XRD) and Williamson-Hall (W-H) plot. The cubic structure of SrTiO3 is confirmed by the XRD and Raman studies. The Field Effect-Scanning Electron Microscopy (FE-SEM) images of the Ga2O3 doped SrTiO3 samples were composed of spherical particles with agglomeration throughout the surface. The chemical elements and chemical states of the prepared compound have been tested in the Fourier Transform Infrared (FT-IR), Energy Dispersive X-ray (EDX) and X-ray Photoelectron Spectroscopy (XPS) studies. The optical spectra displayed that the absorption wavelength shifted near the red shift with the increase of the Ga2O3 doped SrTiO3. The dielectric and electrical conductivity responses of the 1% and 3 wt % Ga2O3 doped SrTiO3 materials were investigated in the dielectric and electrical studies.

Acute pancreatitis is one of the dreaded complications of hypertriglyceridemia. According to the literature, 7% of cases of acute pancreatitis are due to hypertriglyceridemia or chylomicronemia associated with genetic defects in the lipid metabolism. Here, we report a 17-day-old baby, who presented as a case of necrotizing enterocolitis. Incidental phlebotomy showed pink creamy serum. This highly suggestive of hypertriglyceridemia, lipid profile study was done that confirmed elevated serum triglyceride (TG) and cholesterol levels with decreased high-density lipoprotein. To minimize the risk of pancreatitis, exchange transfusion, a procedure widely performed in neonatology was sought to, that dramatically reduced the serum TG and cholesterol levels. Baby was then started on skimmed milk, fenofibrate, and medium-chain TGs oil to maintain the plasma TG levels low. Genetic analysis confirmed the diagnosis of type I hyperlipoproteinemia/familial combined hyperlipidemia-3. This report emphasizes the importance of suspecting hypertriglyceridemia on witnessing milky serum so that early intervention with novel modalities such as exchange transfusion can prevent complications such as acute pancreatitis.

There are several defect that are occurring in fabrics they occur in the form of a hole, mark, improper stitch, oil stains, missed threads etc. The common thing about these defect are, they cannot be viewed by the naked eye. Hence we firmly say that they defects cannot be effectively identified by manual inspection. However, a much-automated method of inspection is essential. Hence, we are going for computer vision based defect detection. The primary requirement about computer vision is a full-fledged camera that can capture even minute defects. We use K-means clustering along with FCM segmentation in order to segment the flaws efficiently. The classifier used here is SVM classifier, with sensible classification rates of up to 98.9%.

The present investigation, pure and ceria (CeO2) doped strontium titanate (SrTiO3) powders have been synthesized by the solid-state reaction method. In addition, the effect of ceria (0, 1, and 3%) on the variation of crystallite size, crystalline nature, surface particle shape, optical absorption, optical band gap, dielectric constant, dielectric loss and electric conductivity of SrTiO3 material through physico-chemical characterization like powder X-ray diffraction (XRD), Field-emission scanning electron microscopy (FE-SEM), UV–Visible spectra and impedance spectroscopy have been investigated. The powder XRD display confirms the evolution of the single phase with cubic structure of SrTiO3 material. Further, we confirmed the formation of strontium titanate material through spectral studies like Fourier Transforms Infrared (FTIR), Raman spectrum and Energy dispersive X-rays studies. X-rays photoelectron spectroscopy (XPS) explains the surface chemical elements and their binding energy of pure and 3% ceria doped strontium titanate. The optical band gap values of SrTiO3 decreases emphasized a red shift with increasing the ceria concentration. Dielectric constant, dielectric loss and electrical conductivity of pure and ceria doped SrTiO3 have been comparatively discussed in detail.

In this article we have introduced a class \(\mathcal {\tilde {R}}_{\varSigma }(\eta ,q,\varsigma ),\eta \in \mathbb {C}-\{0\} \) of bi-univalent functions defined by symmetric q-derivative operator. We have estimated the upper bounds for the initial coefficients and Fekete- Szeg\(\ddot {o}\) inequality by making use of Chebyshev polynomials.

The monotonous and frequent complication in the estimation of dielectric constant expressed interns of frequency in microwave range by incorporating Artificial Neural Networks (ANN). This computerized modus operandi is dependent on the deployment of a slotted line to take measurement which requires a numeric elucidation to resolve the dielectric constant. Automation of the dielectric constant is carried out by developing a computer program for gathering the data acquisition from the conventional setup and modernizing the same using ANN is described here. Investigational data gathered by this existing apparatus is used for training and testing the ANN trained with Back Propagation Algorithm (BPA). An equation formerly obtained from the literature, is used for estimating the dielectric constant. This is compared as an additional function with the computerized algorithm for calibration purpose. Thus, a novel ANN-based scheme for outlining the disparities between various dielectric materials to approximate the dielectric constant is experimentally analyzed using MATLAB.

In present day virtualization based register mists, applications share the hidden equipment by running in disconnected Virtual Machines (VMs). Each VM, amid its underlying creation, is arranged with a specific measure of processing assets, (for example, CPU, memory and I/O). A key factor for accomplishing economies of scale in a register cloud is asset provisioning, which alludes to apportioning assets to VMs to coordinate their workload. Commonly, effective provisioning is accomplished by two operations: (1) static asset provisioning. VMs are made with indicated size and after that united onto an arrangement of physical servers. The VM limit does not change; and (2) dynamic asset provisioning. VM limit is powerfully changed in accordance with coordinate workload vacillations. In both static and dynamic provisioning, VM estimating is maybe the most fundamental stride. VM measuring alludes to the estimation of the measure of assets that ought to be allotted to a VM. The target of VM estimating is to guarantee that VM limit is comparable with the workload. While over-provisioning squanders exorbitant assets, under-provisioning debases application execution and may lose clients. In this venture proposed gathered VM provisioning approach in which various VMs are merged and provisioned in view of a gauge of their total limit needs., {"references":["1.\tAli-Eldin, J. Tordsson, and E. Elmroth, \"An adaptive hybrid elasticity controller for cloud infrastructures,\" in Proc. of Network Operations and Management Symposium (NOMS), 2012, pp. 204–212. 2.\tSulistio, K. H. Kim, and R. Buyya, \"Managing cancellations and no-shows of reservations with overbooking to increase resource revenue,\" in Proc. of Intl. Symposium on Cluster Computing and the Grid (CCGrid), 2008, pp. 267–276. 3.\tL. Tom´as and J. Tordsson, \"Improving Cloud Infrastructure Utilization through Overbooking,\" in Proc. of ACM Cloud and Autonomic Computing Conference (CAC), 2013. 4.\t\"Cloudy with a chance of load spikes: Admission control with Fuzzy risk assessments,\" in Proc. of 6th IEEE/ACM Intl. Conference on Utility and Cloud Computing, 2013, pp. 155–162. 5.\tK. J. A° stro¨m and R. M. Murray, Feedback Systems: An Introduction for Scientists and Engineers. Princeton University Press, 2008. 6.\tT.-F. Chen and J.-L.Baer, \"Effective hardware-based data prefetching for high-performance processors,\" IEEE Transactions on Computers, vol. 44, no. 5, pp. 609–623, 1995. 7.\tJ. Flich, S. Rodrigo, J. Duato, T. Sodring, A. Solheim, T. Skeie, and O. Lysne, \"On the potential of noc virtualization for multicore chips,\" in Proc. of Intl. Conference on Complex, Intelligent and Software Intensive Systems (CISIS), 2008, pp. 801–807. 8.\tJ. Duato, \"A new theory of deadlock-free adaptive routing in wormhole networks,\" IEEE Transactions on Parallel and Distributed Systems, vol. 4, no. 12, pp. 1320–1331, 1993. 9.\tB. Chen and P.-B.Primet, \"Scheduling deadline-constrained bulk data transfers to minimize network congestion,\" in Proc. of IEEE 7th Intl. Symposium on Cluster Computing and the Grid (CCGRID), 2007, pp. 410–417. 10.\tA. J. Bernstein and J. C. Sharp, \"A policy-driven scheduler for a time-sharing system,\" Communications of the ACM, vol. 14, no. 2, pp. 74–78, 1971."]}

The present study summaries the extraction and analysis of pyrolysed oil derived from waste plastic. The current rate of economic growth is unsustainable without saving of fossil fuels like crude oil, natural gas, coal etc. There has always been an increase in demand for fossil fuels while at the same time a depletion in its amount. Development and modernization have brought about a huge increase in the production of all kinds of commodities using plastics which indirectly generates waste. Plastics have wide range of applications due to versatility and relatively low cost. This project focuses on the importance and implementation of Waste to Energy technology by deriving pyrolysed oil from plastic. The plastic opted for experimentation is High Density Polyethylene due to its properties favoring the process of Pyrolysis. Pyrolysis is the process of thermal degradation of plastic in the absence of oxygen. An experimental setup in order to accomplish pyrolysis was fabricated and thus, the raw pyrolysis oil was extracted. The raw fuel derived was vacuum distilled to obtain the clear pyrolysed oil, whose analysis conducted in a Computer Integrated IC Engine test rig. The performance, efficiency and emission test of the distilled pyrolysed oil was experimentally calculated by blending with diesel at different blend ratios. T. Kathiravan | S. Mohamed Nasrulla | G. Saravanan "Extraction and Analysis of Pyrolysed Oil Derived From HDPE" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018, URL: https://www.ijtsrd.com/papers/ijtsrd13046.pdf

At the present scenario, the Lean Manufacturing has become a worldwide phenomenon. A large number of organizations are following Lean technologies and experiencing vast improvement in quality, production, customer service and profitability. Muththamizh industries in Palani is a manufacturing company that manufactures variety of agricultural oriented machines. In this work to adopt the Lean manufacturing concept in this industry by using Value Stream Mapping VSM technique and to reduce the wastes such as long lead time, defects, material waste etc. Our project focuses on creating current and future state value stream maps which, when implemented will decrease the current lead time of manufacturing thereby improving the productivity of industrial shop floor. From their products, the team chose Chaff cutter machine as a product family and worked on them. From the Current Value Stream Map created the lead time for the product is found to be 3 to 3.34 days right from the processing of raw materials till the product is ready to be shipped. From the map created, various stages that contains bottlenecks in production were clearly identified and remedial measures were taken to eliminate those bottlenecks. Various lean tools such as Kaizen Bursts, 5S and other methods to eliminate the wastes were identified and implemented effectively. After remedial measures were adopted the data is tracked again and Future Value Stream Map is drawn. From the map it was clear that the lead time for the product was reduced to a certain extent of up to 4 hours. Therefore our primary goal of the object was achieved by adopting lean techniques and the productivity and efficiency of the organization was increased. G. Saravanan | R. Karthikeyan | S. Mohamed Nasrulla "Productivity Improvement using Lean Manufacturing - A Case Study at Muththamizh Industries" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018, URL: https://www.ijtsrd.com/papers/ijtsrd12836.pdf

The aim of this project is to study the effect of flow inside the subsonic co-axial nozzle used in aircraft turbofan engine. The study has been carried out by varying the Mach number of secondary flow by maintaining the constant Mach number of primary flow. The coaxial nozzle of the circular section was designed and analysed using CATIA and ANSYS V15.0 software for a Mach number range of 0.3 to 0.6 with secondary sub-sonic flow .The pressure and velocity contours were investigated along the flow. The increase in the velocity difference between the primary and secondary flow results in more turbulence which in turn decreases the potential core length.

In this modern era, power generation seems to be a very demanding factor. New models and methods have been proposed to derive from various natural and manmade resources. In such instances, this paper gives a detailed report on the power generation from Micro Turbines. Micro turbine plays a very important role in electric power generation. Especially they are used in the combined cycle process power plants. The parameters of Rowen’s model 265-MW single shaftheavy duty gas turbines which are used in dynamic studies are estimated in this paper using the operational and performance data. These data are also used to briefly explain the extraction of parameters of the used model. Micro turbine parameters are approximated using simple thermodynamics assumptions. Micro turbine power generation seems to be an uprising and a promising source and an exact design with a perfect model is capable of producing the highest efficiency. Thus this paper is proposed on the aspects of social awareness to elaborate the control design of Micro Turbine Power Generation System. The parameters of micro turbine models are derived and the results of several simulated tests using Matlab/Simulink are presented.

Digitization of images usually suffer from poor image quality, lack of contrast and presence of shading and artifacts, to improve quality of image, especially in effectiveness or attractiveness enhancement is required, The main objective is to enhance the color image by converting the RGB value of each pixel of the original image to HSV then 2D-DWT applied to the luminance value of V component. It decomposes the original image into four sub bands. The low frequency sub band is smoothened by using geometric mean filter. Then the IDWT applied with new low frequency and other sub bands. The enhanced V is combined with H and S are converted back into RGB. The experimental results vividly displays the proposed algorithm is efficient to enough to remove the noise resulting good enhancement and then achieved increased value of PSNR and reducing value of MSE. The above proposed scheme implemented in Xilinx Spartan-6 FPGA for increasing the speed greatly and reduces the size of the needed storage space.

The present study deals with the application of the Magneto-Rheological (MR) fluid assisted semi-active damper as a replacement to the conventional suspension system in Maruti 800 car (source vehicle). MR fluid damper is designed, fabricated and automated with a microcontroller. This experimentation is carried out with real time instrumentation on the selected road profile as a vehicle dynamic approach. Results obtained from the travel imply that MR fluid suspension suppresses the vibrations more effectively than the existing passive damper system. The MR fluid dampens the acceleration and displacement of the piston to a greater extent thereby controlling the ride comfort.

The tribological behaviour of hybrid aluminium matrix composites (AMCs) A356 reinforced with SiC , Gr and Tin particulate, fabricated by powder metallurgy route. In this experimental study, the mechanical and tribological properties are investigated. The results show that addition of more reinforcements reduce the hardness and also increase the wear rate of the composites. The addition of Gr beyond certain limit will decrease hardness and that of SiC will increase brittleness. In the hybrid composite with 15% weight SiC and 5% weight Gr reinforcement results show that great improvement under tribological condition. The wear loss of the hybrid composites decreased with increasing applied load and sliding distance. The SEM analysis shows the wear tracks results of the composite materials.

The peculiar ternary full Heusler alloy Sr2CoSn nanoparticles are synthesized by co-precipitation method. X- ray diffraction pattern confirms the formation of XA or Xα structure of Sr2CoSn. Using Williamson–Hall plot (W–H plot), we are able to use the uniform deformation model and get low value of strain induced broadening. UV-Visible absorption spectrum shows sharp absorption peak at 210 nm and the estimated band gap energy of Sr2CoSn Heusler alloy nanoparticles is Eg = 4.6 eV (from Tauc plot). The presence of Sr2CoSn with the particle size of approximately 90 nm was observed using high resolution scanning electron microscopy. The magnetization measurements were carried out using VSM and studied M verses H hysteresis studies.

The pure and Co doped CuO nanoparticles were synthesized by wet chemical method at different molar ratios. The crystallinity of CuO and Co doped CuO nanoparticles were studied by X Ray Diffraction analysis. The cubic structure of the synthesized nanoparticles was identified to be face centered cubic (f c c) and the average grain size of pure and Co doped CuO nanoparticles was calculated using Debye Scherrer formula. The particle size of the as synthesized nanoparticles was verified using Field Emission SEM. The magnetic influence of Co on CuO nanoparticles was analysed using VSM measurements and the result was compared with CuO nanoparticles. It was noted that the magnetisation value (Ms) of Co doped CuO (Ms=0.07009 emu/g) was higher when compared with pure CuO (Ms=0.0149 emu/g) nanoparticles. The optical activity of the sample was studied under UV-DRS. The band gap energy was calculated using Kubelka-Munk function and the result indicated that CuO (Eg=2.78 eV) has better optical activity than Co doped CuO (Eg=2.98 eV) nanoparticles.

Fe2CoSi based Heusler alloy thin films were deposited on Si (111) wafer (substrate) of varying thickness using ultra high vacuum DC magnetron sputtering. The structural behavior was observed and found to be hold the L21 structure. The deposited thin films were characterized magnetic properties using vibrating sample magnetometer; the result shows a very high saturated magnetization (Ms), lowest coercivity (Hc), high curie transition temperature (Tc) and low hysteresis loss. Thin film thickness of 75 nm Fe2CoSi sample maintained at substrate temperature 450°C shows the lowest coercivity (Hc=7 Oe). In general, Fe2CoSi Heusler alloys curie transition temperature is very high, due to strong exchange interaction between the Fe and Co atoms. The substrate temperature was kept constant at 450°C for varying thickness (e.g. 5, 20, 50, 75 and 100 nm) of thin film sample. The 75 nm thickness thin film sample shows well crystallanity and good magnetic properties, further squareness ratio in B-H loop increases with the increase in film thickness.

Half-metallic ferromagnetic [HMF] nanoparticles are of considerable interest in spintronics applications due to their potential use as a highly spin polarized current source. HMF exhibits a semiconductor in one spin band at the Fermi level Ef and at the other spin band they poses strong metallic nature which shows 100 % spin polarization at Ef. Fe based full Heusler alloys are primary interest due to high Curie temperature. Fe2CrSi Heusler alloys are synthesized using metallic powders of Fe, Cr and Si by mechanical alloying method. X-Ray diffractions studies were performed to analyze the structural details of Fe2CrSi nanoparticles with High resolution scanning electron microscope (HRSEM) studies for the morphological details of nanoparticles and magnetic properties were studied using Vibrating sample magnetometer (VSM). XRD Data analysis conforms the Heusler alloy phase showing the existence of L21 structure. Magnetic properties are measured for synthesized samples exhibiting a soft magnetic property possessing low coercivity (HC = 60.5 Oe) and saturation magnetic moment of Fe2CrSi is 3.16 µB, which is significantly higher than the ideal value of 2 µB from the Slater-Pauling rule due to room temperature measurement. The change in magnetic properties are half-metallic nature of Fe2CrSi is due to the shift of the Fermi level with respect to the gap were can be used as spin sensors and spin injectors in magnetic random access memories and other spin dependent devices.

Pure and 1mol%, 2mol%, 3mol% and 5mol% Gd doped ZnO nanoparticles were synthesized by simple combustion technique and were characterized using X-raydiffraction (XRD), Scanning and Transmission Electron Microscopy (SEM) and Photoluminescence(PL)spectroscopy. Violet to blue emission was observed in doped samples.

Heusler Alloy based Cr2CoSi nanoparticles were synthesized by using ball milling. X-ray diffractions studies were used to characterize the crystal structure of Cr2CoSi nanoparticles and magnetic properties were studied using VSM. XRD data analysis confirms the Heusler alloy phase showing the L21 structure. Magnetic properties are measured for synthesized samples having coercivity Hc = 389 Oe, with high saturation magnetization value Ms = 8.64 emu/g and remenance value Mr = 2.93 emu/g. Synthesized Heusler alloy Cr2CoSi nanoparticles can be potential materials for use in Spin polarized based spin sensors, spin devices, magnetic sensors and transducer applications.

This paper deals with the fabrication of test specimens of Glass fiber reinforced plastic (GFRP), Carbon fiber reinforced plastic (CFRP), Glass-Carbon fiber reinforced plastic (G-CFRP) and Carbon glass fiber reinforced plastic (C-GFRP) by using hand layup method. The low velocity point load setup was fabricated and fixed in the milling machine by using cam pointer arrangement. The specimens have been subjected to the low velocity point load for specific duration by exposure time such as 0,15,30,45 and 60 minutes. Then impact and DMA tests are also carried out for the above specimens. From the DMA test results it was found that the storage modulus and loss factor of GFRP specimen are high compared with others. Izod impact test result shows that impact strength of G-CFRP specimen is high. The flexural results reveals that among the four types of laminates CFRP gives higher order of flexural strength and modulus compared to the others

The main objective of this study is to analyze the different ratio of emulsified fuels on the performance, emission and combustion characteristic s of four stroke single cylinder kirloskar TV-I direct injection compression ignition engine and co mpared with diesel fuel under different engine loads with constant engine speed of 1500 rpm. Four kinds of test fuels were prepared namely 80% diesel, 10% ethanol and 10% surfactant (Identified as D80E10); 70% diesel, 20% ethanol and 10% surfactant (denoted as D70 E20); 60% diesel 30% eth anol and 10% surfactant (denoted as D60 E30); 50% diesel, 40% ethanol and 10% surfactant (denoted as D50 E40) by volume respectively. In this test, Benzal konium chloride is added as an emulsif ier to the diesel-ethanol blend to prevent layer formation and to make it a homogeneous blend. At maximum brake power, the comparison of best emulsified fuel ratio with diesel fuel results show ed improvement in brake thermal efficiency with decrease in specific fuel consumption and smoke. Th e NO X, HC, CO 2, cylinder pressure and heat release rate for D50 E40 emulsions are higher when compared to diesel fuel.

Background: Stenosing tenosynovitis of the thumb is an inflammation of flexor tendon sheath of A1 pulley. Percutaneous release has recently gained popularity. Successful percutaneous release depends upon proper prediction of the location of the A1 pulley and circumventing injury to the neurovascular bundles. The aim of this study was to determine the safety of percutaneous release of trigger thumb.Methods: Twenty eight patients were included in the study between 2015 and 2018. All the patients were percutaneously released using push-pull technique. Steroid injection was given following the release. Quinnell grading, patient questionnaire and visual analogue scale score was used to assess the patients at 2 weeks, 6 weeks and 6 months and 1 year.Results: Satisfactory results were found in 93% of patients. Two patients complained of pain and swelling till third week. No digital nerve injury occurred in any patients.Conclusions: Percutaneous trigger thumb release using this push-pull technique is a simple and a safe technique with very minimal complications.

The predicted global energy emergency expected shortly is due to the fast exhaustion of conventional fossil non-renewable energy source assets and reliably decreasing expenses of solar photovoltaic (SPV) modules. This photovoltaic (PV) power conversion stage prompts an expanded cost, size, unpredictability and diminished effectiveness for automotive applications. As an advanced system, the solar PV fed brushless direct current motor (BLDCM) is being used for most of the automotive applications. A primary control method fit for working the solar PV array at its peak power utilizes a conventional voltage source inverter (VSI) to control proposed fractional order BLDCM chaos control utilizing versatile threshold optimization (VTO) algorithm. The SPV is used as primary sources while the battery as reinforcement. The proposed control takes out the BLDCM phase using current control techniques. No extra power is related to the speed control of BLDCM and its fine start. The suitability of proposed framework is shown through its execution assessment utilizing MATLAB2017a programming in light of the simulated results and experimental approval on a created model, under practical operating conditions. Execution of the proposed FPGA-based control drive of BLDC motor is likewise researched through experimental test setup utilizing SPARTAN-6 FPGA, the run-time data are analyzed through IOT network using Adaptive Least Square Regression. The proposed system simulation result is justified by the hardware result.

In this paper, we propose an survey on heterogeneous wireless sensor network (HWSN) and how the efficiency and redundancy management is exploit in the various methods .Here timeliness and security are main concern to maximize the system lifetime by ensuring various methods like Intrusion detection system (ids), multipath routing, etc, The main goal of the paper is to reveal various methods which are used to maintain best redundancy level and increasing the energy efficiency. I. Introduction: Wireless sensors networks (WSN) are planned in unattended surroundings in which energy replacement is difficult if not possible. Due to partial income, a WSN should not only assure the application specific QoS requirements such as timeliness, security, and reliability, but also reduce energy consumption to extend the system helpful lifetime. The WSN aim is maximize the system lifetime exchange between the energy consumption vs. reliability. However, no previous work exists to consider the exchange in the presence of malicious attackers. It is commonly believed in the explore neighborhood that cluster is an effective solution for reach scalability, energy conservation, and reliability. If use homogeneous nodes which rotate among themselves in the roles of cluster heads (CHs) and sensor nodes (SNs) leveraging CH election protocols such as HEED (10) for lifetime maximization has been consider. Demonstrated that using heterogeneous nodes can further improve performance and extend the system lifetime. In the last case, nodes with greater resources provide as CHs performing computation all intensive tasks while inexpensive less capable SNs are utilized mainly for sensing the environment. The tradeoff issue between energy consumption vs. QoS increase becomes much more difficult when inside attackers are present as a path may be broken when a malicious node in the path. The case in heterogeneous Wireless Sensor Network (HWSN) environments in which CH nodes may take a more critical role in gathering and routing intellect data. The system would occupy an intrusion detection system (IDS) with the purpose to detect and remove the malicious node. While the literature is plentiful in intrusion detection techniques for WSNs (3), the issue of how often intrusion detection should be invoked for energy reasons in order to remove potentially malicious nodes so that the system lifetime is maximized are largely unfamiliar. The issue is particularly dangerous for energy constrained WSNs designed to stay alive for a long mission time. The multipath routing is regard as an efficient mechanism designed for fault and intrusion tolerance to get better data release in WSNs. The basic idea is that the probability of at least one path reaching the sink node or base station increases as we have more paths doing data delivery. The most previous research focused on using multipath routing to improve reliability (3), some attention has been paid to using multipath routing to tolerate inside attacks. These studies, still, mainly unobserved the exchange between QoS gain vs. energy consumption which can harmfully shorten the system lifetime. The research problem we are addressing in this paper is efficient redundancy management of a clustered HWSN to extend its lifetime process in the presence of unreliable and malicious nodes. We address the exchange between energy consumption vs. QoS gain in as timeliness, security, and reliability through the goal to exploit the lifetime of a clustered HWSN as fulfilling application QoS requirements in the environment of multipath routing. We study the best amount of redundancy through which data are routed to a remote sink in the presence of unreliable and malicious nodes, so query success probability is exploiting while maximizing the HWSN lifetime. This optimization problem designed for the case in which a voting based distributed intrusion detection algorithm is used to eliminate malicious nodes from the Heterogeneous Wireless sensor network (HWSN). Our contribution is a model-based analysis methodology by which the optimal multipath redundancy levels and intrusion detection settings may be identified for satisfying application QoS requirements while maximizing the lifetime of HWSNs. For the issue of intrusion tolerance through multipath routing, there are two major problems to solve one is how many paths to use and second one is what path to use. To the finest of our information, we are the first to address the "how many path to use" problem designed for the "what path to use" problem, our evolution on the before than is different from presented effort in that we do not consider specific routing protocols, nor the use of feedback information to explain the trouble. Somewhat, for energy conservation, we use a distributed light-weight IDS by

Location-Based Services (LBS) is used to identify the current location of the user and the user is able to search the point of interest such as hotels, parks which is located near to him. Many of the systems are still using GPS to search any location which does not have privacy. The systems which are proposed earlier have some drawbacks on privacy. The proposed system provides privacy by using Dynamic Grid System (DGS). DGS provides continuous connection with the base station and whenever the user request to find location by querying he has to reveal his current location to the base station. To find the nearby Point Of Interest (POI) the K-Nearest Neighbour algorithm is used. K-Nearest Neighbour provides the user required POI even if the user is on the move. The system uses semi-trusted third party which is known as Query Server (QS) which do not collect and store any information of the user.

The Challenge in employing Ag in CeO2 for lower temperature (LT) Solid Oxide Fuel cell (SOFC) to increase the conductivity and negligible loss due to temperature. The main draw back in IT-SOFC is high activation energy and stability at lower temperature. As per literature - solid electrolyte based on Cerium oxide (CeO2) has less efficiency, for ameliorating the efficiency and stability at lower temperature doped CeO2 are used. This study presents preparation of Ag doped CeO2 (Ce(1-x)AgxO2, x = 0.025, 0.05, 0.1) by combustion technique. The prepared materials structure was studied from XRD and it confirm face centered cubic structure with average size of the particle was 20 nm, 16 nm, and 14 nm respectively. The electrical conductivity properties were studied using electrochemical impedance spectroscopy-Activation energy, Conductivity, Dielectric constant (e’) and Dielectric loss [tan (δ)] characteristic are obtained for temperature range (190-270)°C.