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Your search keyword '"Devesh Tiwari"' showing total 3 results
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2. Koch–Sierpinski Fractal Microstrip antenna for C/X/Ku-band applications

Author

Mohd Gulman Siddiqui, Devesh Tiwari, Abhishek Kumar Saroj, and Saiyed Salim Sayeed

Subjects
Physics, Mathematics::Dynamical Systems, 020209 energy, 020208 electrical & electronic engineering, Mathematics::Analysis of PDEs, Mathematics::General Topology, 02 engineering and technology, Computer Science::Computational Geometry, Koch snowflake, Topology, Ku band, Microstrip, Sierpinski triangle, Microstrip antenna, Fractal, Computer Science::Discrete Mathematics, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, Antenna (radio)
Abstract

This article is based on dual fractal techniques to design the Koch–Sierpinski Fractal Microstrip (KSFM) antenna for wireless applications. The concept of the Koch fractal is applied on the outer p...

Published
2019
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3. Calibration of HDM-4 models for Indian conditions of flexible pavement having modified bitumen in wearing course

Author

Sanjay Deori, Devesh Tiwari, S. Gangopadhyay, and Rajan Choudhary

Subjects
Long lasting, Engineering, business.industry, 0211 other engineering and technologies, 020101 civil engineering, 02 engineering and technology, Civil engineering, 0201 civil engineering, Asphalt concrete, Mechanics of Materials, Asphalt, Wearing course, 021105 building & construction, Crumb rubber, business, Road traffic, Maintenance management, Civil and Structural Engineering
Abstract

India is developing her national highway network through widening and rehabilitation of existing highways along with the construction of expressways in different phases, since 1999. Unprecedented growth of road traffic, high variations in pavement temperature and need of long lasting pavements have increased the use of modified bitumen specifically in wearing courses of many flexible pavement road sections of national highway network in entire country. Crumb rubber-modified bitumen (CRMB) and polymer-modified bitumen (PMB) of different grades are mostly used modified binders under different climatic and environmental conditions. During the design life, bituminous road sections show different rates of initiation and propagation of distresses under varying traffic and climatic conditions. In this study, an effort has been made to calibrate the internationally recognised Highway Development & Management (HDM-4) road deterioration models for the selected flexible pavement sections over time with traff...

Published
2016
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