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Vidisha, India

Samrat Ashok Technological Institute is a Grant-in-Aid Autonomous college in Vidisha, in the central Indian state of Madhya Pradesh. It was established by Late Maharaja Jiwajirao Scindia on November 1, 1960 with a donation from Gangajali Trust fund. It is an autonomous institute, which is fully funded by Government of Madhya Pradesh and managed by the Maharaja Jiwaji Rao Education Society chaired by Hon'ble Shrimant Jyotiraditya Madhavrao Scindia. The institute started with B.E. in Civil Engineering, Mechanical Engineering & Electrical Engineering. The institute now offers nine full-time and six Part-time undergraduate courses leading to degree in Bachelor of Engineering and sixteen Postgraduate courses in the areas of Engineering, Science and Management. The college campus is spread over an area of 85 acres of lush green land with natural surroundings.Check Facebook Page Wikipedia.


Jain H.,CSIR - Central Electrochemical Research Institute | Tripathi J.,Samrat Ashok Technological Institute
Materials Today: Proceedings | Year: 2015

In this research paper a new approach for the optimization and evaluation of machining parameters for turning operation on Inconel-625 on CNC machining with the help of Taguchi Methods is presented. Taguchi Parameter Design is a powerful and efficient method for optimizing quality and performance output of manufacturing processes, thus a powerful tool for meeting this challenge. The main objective of this investigation is to obtain an optimal setting of process parameters in turning for maximizing the material removal rate of the manufactured component, the MRR has been investigated by the analysis while machining practically used component. As per Taguchi 'DOE', the number of experiments to be conducted in this analysis very systematic and well calculated, the turning operations are performed as per the machining conditions shown in the orthogonal array. The data for calculating material removal rate in all the test conditions are observed and recorded. The result of this analysis identifies the optimal values of process parameters for effective and efficient machining. The results from confirmation runs indicated that the determined optimal combination of machining parameters improved the performance of the machining process. © 2015 Elsevier Ltd. Source


Parashar J.,Samrat Ashok Technological Institute
Physics of Plasmas | Year: 2013

A relativistic electron beam co-propagating with a high power laser in plasma is shown to add to the growth of the stimulated Raman back scattering of the laser. The growth rate is sensitive to phase matching of electron beam with the plasma wave. In the case of phase mismatch, the growth rate drops by an order. The energy spread of the electron beam significantly reduces the effectiveness of the beam on the stimulated Raman process. © 2013 AIP Publishing LLC. Source


Parashar J.,Samrat Ashok Technological Institute
Integrated Photonics Research, Silicon and Nanophotonics, IPRSN 2015 | Year: 2015

A metal coated, rippled core optical fiber supports a surface plasma wave. The surface plasma wave produces a resonant second harmonic as the ripple provides the additional momentum required to compensate for the phase mismatch between second harmonic and fundamental wave. © 2015 OSA. Source


Parashar J.,Samrat Ashok Technological Institute
Physics of Plasmas | Year: 2013

A surface plasma wave propagating over the rippled metallic surface produces static magnetic field via nonlinear coupling of electron velocity with density ripple. The generated magnetic field shows a resonant enhancement at particular values of ripple number. Magnetic field strength is also sensitive to plasma density and decreases at lower plasma densities. The generated magnetic field over a rippled metallic field is larger by an order of magnitude as compared to a planar metallic surface. © 2013 AIP Publishing LLC. Source


Chaturvedi P.K.,Samrat Ashok Technological Institute | Jain S.,Maulana Azad National Institute of Technology | Agarwal P.,Indian Institute of Technology Roorkee
IET Power Electronics | Year: 2011

Multilevel inverters are used to reduce the harmonics and to achieve high-voltage, high-power capability but switching losses are increased because of increased device count. Switching losses can be reduced by either soft switching techniques or by modifying modulation technique employing space vector-based PWM techniques or sinusoidal PWM-based techniques. In this study, a carrier-based closed-loop control technique has been developed to reduce the switching losses based on insertion of 'no switching' zone within each half cycle of fundamental wave. It effectively reduces the switching losses of three-level inverter without need of any complex mathematical expressions as involved in space vector-based techniques. An improvement of about 5% in efficiency for a switching frequency of 5 kHz is observed with proposed technique over conventional SPWM technique based on efficiency improvement factor (EIF). Simulation and experimental results are presented to validate the proposed technique. © 2011 The Institution of Engineering and Technology. Source

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