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360 results on '"Natarajan, Sendhil Kumar"'

16. Experimental Investigation of Drying Cucumber in a Double Slope Solar Dryer Under Natural Convection and Open Sun Drying

Author

Elavarasan, E., Natarajan, Sendhil Kumar, Bhanu, Anagh S., Anandu, A., Senin, M. H., Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, di Mare, Francesca, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, Palanisamy, Muthukumar, editor, Natarajan, Sendhil Kumar, editor, Jayaraj, Simon, editor, and Sivalingam, Murugan, editor

Published
2022
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23. Experimental Investigation of Drying Tomato in a Double Slope Solar Dryer Under Natural Convection

Author

Elavarasan, E., kumar, Yogesh, Mouresh, R., Natarajan, Sendhil Kumar, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Govindan, Kannan, editor, Kumar, Harish, editor, and Yadav, Sanjay, editor

Published
2022
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24. Numerical Comparison of Elliptical and Conical Cavity Receiver of Solar Parabolic Dish Collector System

Author

Tharun, M., Navin, S. R., Arjun Singh, K., Sampathkumar, Arivazhagan, Natarajan, Sendhil Kumar, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Govindan, Kannan, editor, Kumar, Harish, editor, and Yadav, Sanjay, editor

Published
2022
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25. Mathematical Modelling and Performance Analysis of Single Slope Solar Desalination System

Author

Suraparaju, Subbarama Kousik, Jha, Nirmal, Manoj, S., Natarajan, Sendhil Kumar, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Govindan, Kannan, editor, Kumar, Harish, editor, and Yadav, Sanjay, editor

Published
2022
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26. Energy and Exergy Analysis of Poovan Banana Under Single Slope Forced and Natural Convection Solar Drying

Author

Elavarasan, E., Bhanu, Anagh S., Kumar, Yogesh, Mouresh, R., Natarajan, Sendhil Kumar, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Govindan, Kannan, editor, Kumar, Harish, editor, and Yadav, Sanjay, editor

Published
2022
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27. A Mini State of Art Survey on Photovoltaic/Thermal Desalination Systems

Author

Suraparaju, Subbarama Kousik, Sampathkumar, Arivazhagan, Natarajan, Sendhil Kumar, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, di Mare, Francesca, Series Editor, Govindan, Kannan, editor, Kumar, Harish, editor, and Yadav, Sanjay, editor

Published
2022
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35. Experimental Investigation of Drying Kinetics of Poovan Banana Under Forced Convection Solar Drying

Author

Bhanu, Anagh S., Elavarasan, E., Natarajan, Sendhil Kumar, Anandu, A., Senin, H. M., Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, Acharya, Saroj Kumar, editor, and Mishra, Dipti Prasad, editor

Published
2021
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36. Study of Drying Kinetics of Tomato in a Solar Dryer

Author

Elavarasan, E., Kumar, Yogesh, Mouresh, R., Natarajan, Sendhil Kumar, Cavas-Martínez, Francisco, Series Editor, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Haddar, Mohamed, Series Editor, Ivanov, Vitalii, Series Editor, Kwon, Young W., Series Editor, Trojanowska, Justyna, Series Editor, Acharya, Saroj Kumar, editor, and Mishra, Dipti Prasad, editor

Published
2021
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47. Experimental study on moisture diffusivity, activation energy, and mathematical modeling of drying kohlrabi under different solar drying methods.

Author

Muthuvairavan, Guna and Natarajan, Sendhil Kumar

Subjects
DRYING, ACTIVATION energy, MOISTURE content of food, SOLAR dryers, STANDARD deviations, MOISTURE, MATHEMATICAL models
Abstract

The assessment and enhancement of any drying system for optimal drying processes relies on critical parameters, namely moisture diffusivity and activation energy. In this study, medicinally beneficial kohlrabi of 40‐mm diameter and 6‐mm thickness samples were dried under three different drying methods, namely open sun drying (OSD), natural air‐circulation mode (NACM) single slope direct solar dryer (SSDSD), and forced air‐circulation mode (FACM) SSDSD. The experimental results showed that the drying chamber operating temperature and air velocity played significant roles in the moisture diffusion process and activation energy required to dry the kohlrabi sample. The FACM exhibited the highest average moisture diffusivity values at 7.29 × 10−10 m2/s, surpassing both NACM (5.65 × 10−10 m2/s) and OSD (3.28 × 10−10 m2/s). The activation energy needed for the drying process was the lowest in FACM at 27.44 kJ/mol, followed by NACM at 31.37 kJ/mol and OSD at 35.29 kJ/mol. This is due to the uniform temperature distribution and high airflow rate in the case of FACM. Additionally, 10 thin‐layer models were tested for all three experimental conditions. The statistical analysis showed that for OSD and NACM, the Midilli et al. model, and for FACM, the Page model was best suited for representing drying kinetics with lowest χ2 and root mean square error and highest R2 values. Furthermore, the energy and exergy assessment guaranteed an evaluation of the solar drying system's efficiency. Practical applications: This research provides valuable insights into optimizing solar drying methods for kohlrabi preservation. Understanding how temperature and air velocity influence moisture diffusivity and activation energy allows practitioners to enhance drying efficiency. Forced air‐circulation mode (FACM) single slope direct solar dryer (SSDSD) emerges superior, with higher moisture diffusivity and lower activation energy. The study also identifies appropriate drying kinetics models for each method, aiding the accurate prediction of drying behavior. Emphasizing efficiency, the research highlights FACM's superior thermal efficiency and natural air‐circulation mode's higher exergetic efficiency. These insights empower practitioners to make informed decisions, potentially improving agricultural product preservation, reducing energy consumption, and promoting sustainability. Moreover, the research's findings hold significant implications for industrial food processing and preservation applications, suggesting the direct implementation of optimized solar drying techniques in large‐scale settings for kohlrabi and similar agricultural products. [ABSTRACT FROM AUTHOR]

Published
2024
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49. Chrysopogon zizanioides as a sustainable material for enhanced condensation in solar desalination: an innovative approach to clean water production.

Author

Suraparaju, Subbarama Kousik, Samykano, Mahendran, Natarajan, Sendhil Kumar, Sai, Gopireddi, Sai Subrahmanyam, Narayana, Vinay Pallaparao, Kommireddy, Prasanna Kumar, Ericharla, Manoj, Kondeti, Tarun Kumar, Robbi, Chandan, Sontena, Sai Phanindra, Puppala, Satya Krishna Prasanth, Anandam, and Sai Nagendra, Pulavarthi

Abstract

The primary objective of the current investigation is to evaluate the performance of desalination systems in addressing the issue of elevated temperatures on glass covers by incorporating Chrysopogon zizanioides (CZ), known as vetiver. This study presents an innovative modification to a conventional solar desalination system (CDS) involving introducing a water-dripping mechanism and the utilization of Chrysopogon zizanioides positioned on top of the glass cover. Experimental trials were conducted under similar meteorological conditions to compare the unmodified CDS and the solar desalination system with Chrysopogon zizanioides (DSCZ) regarding their impact on freshwater production in environmentally sustainable solar desalination. Notably, incorporating CZ-vetiver significantly reduced glass temperatures, achieving a remarkable 27% decrease compared to the CDS. Moreover, DSCZ exhibited a notable enhancement of 49% in distillate productivity relative to CDS. Beyond its thermal performance, the cost per liter of potable water obtained from DSCZ was found to be ₹1.35, with a rapid payback period of only 3.9 months. In contrast, the corresponding figures for CDS were ₹2.32 and 5.7 months, respectively. This study underscores the potential of Chrysopogon zizanioides as an eco-friendly material for augmenting solar desalination, offering an efficient and affordable avenue for procuring potable water through an innovative method. [ABSTRACT FROM AUTHOR]

Published
2024
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