Thursday, November 24, 2016

Gap-Sap with | Prof. Kunal Karan | University of Calgary, Canada

Gap-Sap with | Prof. Kunal Karan | University of Calgary, Canada

We had a wonderful conversation with Prof. Kunal Karan; Department of Chemical and Petroleum Engineering, University of Calgary, Canada. He works in the field of alternative energy, specifically on ‘electrochemical’ energy conversion and storage technologies. He is internationally recognized for his notable contributions in the field of fuel cells, which is an energy conversion technology akin to batteries that produces electricity directly from fuels. He is author of over 100 peer-reviewed publications and has been invited to give research talks across the globe. At the University of Calgary, he co-founded and is also an Associate Director of the Calgary Advanced Energy Conversion and Storage Research – Technologies (CAESR-Tech) group. Prof. Kunal Karan spend his growing years in different states/cities in Eastern India. He obtained his undergraduate education in Chemical Engineering at IIT (BHU) and then moved to Canada for higher studies and work. follow this link to know more about him:

Watch other episods of Gap-Sap:
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Monday, November 21, 2016

Resurrection Flame | Metal | Rap

Resurrection Flame | Metal | Rap

A young group of IITians just completed their latest music video today. Nimit Singh and Kuber Patel created such awesome visual for them. Watch it out here. 

tags: IIT BHU, songs, rap, rosehubtv, IITians, varanasi

Sunday, November 20, 2016

Applications of Adaptive Optics | A lecture by Prof. Brij N. Agrawal | IIT BHU | English

Applications of Adaptive Optics | A lecture by Prof. Brij N. Agrawal | IIT BHU | English

“Educate to innovate, innovate to change”
Institute Lecture Series Indian Institute of Technology (Banaras Hindu University), Varanasi
& Technex-17 brings you the 26th Institute Lecture & the Fifth Pre-fest Think Talk of Technex '17

Professor Brij N. Agrawal

Distinguished Professor in the Department of  Mechanical and Aerospace Engineering, Director of the Spacecraft Research and Design Center, and Director of the Adaptive Optics Center of Excellence at the Naval Postgraduate School (NPS), USA
Has  delivered on
Lecture Title: Applications of Adaptive Optics in Imaging Satellites, Ground Telescopes, and Lasers            
Day & Date:  Wednesday, the 16th November, 2016
Time :    05 .00 p. m.
Venue        :  Professor Gopal Tripathi Auditorium, Department of
                      Chemical Engg & Technology, IIT(BHU), Varanasi

Professor G. V. S. Sastry, Actg. Director, shall preside.

About Dr. Brij Agrawal
Dr. Brij N. Agrawal is currently a Distinguished Professor in the Department of Mechanical and Aerospace Engineering, Director of the Spacecraft Research and Design Center, and Director of the Adaptive Optics Center of Excellence at the Naval Postgraduate School (NPS), USA. He has developed teaching and research programs in spacecraft design, acquisition, tracking and pointing, jitter control, and adaptive optics control for imaging spacecraft, laser communications, and high energy laser beam control. Prior to Joining NPS in 1989, Prof. Agrawal worked for twenty years in R&D and development of several communications satellites for Communications Satellite Corporation (COMSAT) and International Telecommunications Satellite Organization (INTELSAT).
Professor Agrawal wrote the first textbook on spacecraft design: “Design of Geosynchronous Spacecraft.”    He has been thesis advisor for 10 Ph.D. and 45 MS students. He has two patents, one on attitude control and the other on jitter control. Prof. Agrawal has published over 150 papers in journals and conference proceedings. He has received several awards. He received B.Sc. (Hons) in Mechanical Engineering in 1964, ME (Hons) Mechanical Engineering in 1966, IIT Roorkee, MS Mechanical Engineering, 1968, Mc Master University, Canada, Ph.D. Mechanical Engineering, 1970, Syracuse University, USA. He is a Fellow of the American Institute of Aeronautics and Astronautics (AIAA) and Academician, International Academy of Astronautics.
He has collaborated in India at ISRO and DRDO. At ISRO, he participated in the early phase development of INSAT 1, first Indian communications satellite, 1977-78. At DRDO, he has given short courses in space systems and adaptive optics for high energy lasers. For recently approved multiyear joint project between DRDO, India and Department of Defense, USA, he is the principal investigator on the application of adaptive optics to correct the high energy laser beam aberration due to air turbulence.
Additional links:
*NPS Vita for Brij Agrawal
*Dr. Brij N. Agrawal, Ph.D, Distinguished Professor
Director, Spacecraft Research and Design Center

Prof. Brij N Agrwal receiving distinguish alumnus award at IIT(BHU)
Abstract the Lecture
This Lecture will provide an overview of adaptive optics and its applications to imaging satellites, ground telescopes and laser systems. It will also provide an overview of research performed at NPS in Adaptive Optics Center of Excellence in these areas. NPS has Segmented Mirror Telescope (SMT) testbed.  SMT consists of 3 meter diameter space telescope with 6 segments. Each segment has 156 actuators for surface control and three fine and 6 coarse actua
Prof. Brij N Agrwal with Prof. SK Sharma
(Head Dept. of Mining Engineering IIT-BHU)
tors for segment phasing. It has Shack-Hartmann wave front sensor for surface control and phase diversity sensor for segment phasing. It also has Fast Steering Mirror for jitter control. These mirrors need to have very fine surface accuracy in the range of 30 nm RMS.  Research is also performed on reducing primary mirror surface performance requirements by adding a deformable mirror in the optical path. Another area of research is correcting laser beam aberration due to atmosphere turbulence by using adaptive optics. Applications are laser communications and high energy lasers.
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Monday, November 7, 2016

Living with a Star | A Lecture by Prof Robert (Erdelyi) von Fay-Siebenburgen

Living with a Star | A Lecture by Prof Robert (Erdelyi) von Fay-Siebenburgen

Professor Robert (Erdelyi) von Fay-Siebenburgen has delivered 23rd Institute Lecture of IIT(BHU) on  Monday, the 19th September, 2016

About the Speaker: 
Prof. Robertus von Fay-Siebenburgen (​popularly Prof​ Robertus Erdelyi, ​in​ publication​) i​s​ a ​
Professor and  ​Head of Solar Physics and Space Plasma Research Centre in School of Mathematics and Statistics, University of Sheffield, UK. He is also the Director of Debrecen Observatory in Hungary.
Audience During Lecture at Professor Gopal Tripathi Auditorium,
Department of Chemical Engg & Technology
He is a ​renowned expert​ in the general field of space plasma physics. The heating processes that generate and sustain the observed high temperature of the solar and stellar atmospheres have so far defied a quantitative understanding despite the multitude of efforts spanning over half a century. The aim of his research is to address these questions through theoretical (both numerical and exact analytical methods) and observational studies (joint ground-based and satellite missions). Particular attention is paid to the solar influence on the magnetosphere and Space Weather. Understanding the subtleties of plasma confinement at high temperatures is also strongly linked to modern fusion
physics. His interdisciplinary research (including e.g. Magnetohydrodynamics
computational fluid dynamics [CFD], kinetic theory) has direct applications in the new and rapidly emerging discipline of helioseismology and Space Weather, as well as basic teaching to engineering and science students .
Prof. Erdelyi has a wide expertise in teaching and research of space science, plasma physicsn,magetohydrodynamic (MHD) waves, fluid dynamics, analytical & computational techniques.

He is one of the world leaders in the field of solar & space plasma research (Citations > 6000, H-Index- 45) with an outstanding track record of publications in peer-reviewed journals (e.g., 02 Nature, 02 Science, 01 Nature Communication​s​, and numerous papers in ApJ, A&A,Solar Physics, MNRAS, Space Science Reviews: The top-most journals in Astronomy and Astrophysics). He is also the scientific advisor in​ ​
various Indian national projects, e.g., NLST, MAST etc, therefore, has a significant role in Indian Solar Physics.

Abstract of the Lecture (Verbatim as given by the speaker):
“Did you know that more than 98 per cent of material in the Universe is in plasma state? Did you know the atmosphere of stars like the Sun is also in plasma states with temperatures of a few millions of degree K? And, finally, did you also know that the atmosphere of planets in the Solar System strongly interact with plasma flows originating from the Sun causing spectacular phenomena like the Aurora?

In this talk, I will introduce you to the exciting and fascinating world of plasma-astrophysics.
I will demonstrate why the Sun, being the most proxy space plasma laboratory, is so key in this technology-driven world.
I will also address one of the most frightening phenomena that can threaten human civilisation and life in the Solar System: massive energetic storms determining Space Weather. Finally, I will address how the Sun can contribute to solving another great challenge facing the humanity: our endless appetite for clean and green energy.”

tags: Institute Lecture Series, IIT (BHU), Indian Institute of Technology, rosehubTV