Swadesh Kumar Singh

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TEM horn antennas are widely used in ultra wide band (UWB) radar and UWB communication applications due to its wide bandwidth and non-dispersive characteristic. Linearly tapered constant impedance TEM horn is most commonly used variation of TEM horn due to its simplicity and ease of fabrication. In many practical systems cylindrical sections are added at(More)
Abstract One of the commonly used metal forming processes is deep drawing, in which circular blanks are converted into a cup or shell with good surface finish. In this paper, the forming characteristics of Deep Draw Steel (DDS), a low-carbon steel with many engineering and automotive applications, is investigated by deep drawing. The forming limit diagram(More)
A comparative study of the robustness of various spacecraft body at t i tude control systems with structural flexibility is presented in this paper. The control systems examined are: (a) 3-Reaction Wheels (b) Body-fixed momentum wheel with offset thrusters (c) Skewed body-fixed momentum wheels with offset thrusters and (d) Body-fixed momentum wheel with two(More)
In the present work, forming limit diagrams and strain distribution profile diagrams for extra deep drawing steel at room and elevated temperatures have been determined experimentally by conducting stretch forming experiments by using designed and fabricated warm stretchforming tooling setup. With the help of forming Limit Diagrams (FLDs) and strain,(More)
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