1,736,220 research outputs found
Assessment of the ellipsoidal-statistical Bhatnagar-Gross-Krook model for force-driven Poiseuille flows
Get PDFWe investigate the accuracy of the ellipsoidal-statistical Bhatnagar–Gross–Krook (ES-BGK) kinetic model for planar force-driven Poiseuille flows. Our numerical simulations are conducted using the deterministic discrete velocity method, for Knudsen numbers (Kn) ranging from 0.05 to 10. While we provide numerically accurate data, our aim is to assess the accuracy of the ES-BGK model for these flows. By comparing with data from the direct simulation Monte Carlo (DSMC) method and the Boltzmann equation, the ES-BGK model is found to be able to predict accurate velocity and temperature profiles in the slip flow regime (0:01 < Kn 6 0:1), for both low-speed and high-speed flows. In the transition flow regime (0:1 < Kn 6 10), however, the model does not quantitatively capture the viscous heating effect
Supplemental Material for Bhatnagar et al., 2020
No full textData associated with Bhatnagar et al., submitted to G3
Proceedings of tumor board meeting
No full textThe Tumour Board Meeting was held on August 16, 2011, in the Seminar Hall at B.J. Wadia Hospital for children. The panelists of the meeting were Dr. S. Ranganathan, Pediatric Pathologist from Children′s Hospital of Pittsburgh; Dr. Archana Swami, Consultant Pediatric Oncologist at Wadia Children′s Hospital; Dr. Sajid Qureshi Onco-surgeon (Pediatric) at Tata Memorial Hospital and Dr. Sushmita Bhatnagar
Shanti Swarup Bhatnagar— A Science Czar
No full text22-28Shanti Swarup Bhatnagar will always be remembered as a great institution builder, a scientist and a visionary
Geographical distribution of Bhatnagar Laureates
Get PDFThe Shanti Swarup Bhatnagar Prize for Science and Technology is conferred each year on Indian scientists below the age of 45 years. It has become the most coveted national recognition for outstanding contribution to basic and applied research in Science and Technology. A recent volume' brought out by the Human Resources Development Group of the CSIR compiles the biographical details and professional profiles of the 259 so-called Bhatnagar Laureates who have received this recognition from 1958 to 1991. The volume13; contains a wealth of detail for the sociologist or historian of science - it is truly a record of the history of recent13; Indian science13
Development of composite calibration standard for quantitative NDE by ultrasound and thermography
Get PDFInspection of aircraft components for damage utilizing ultrasonic Non-Destructive Evaluation (NDE) is a time intensive endeavor. Additional time spent during aircraft inspections translates to added cost to the company performing them, and as such, reducing this expenditure is of great importance. There is also great variance in the calibration samples from one entity to another due to a lack of a common calibration set. By characterizing damage types, we can condense the required calibration sets and reduce the time required to perform calibration while also providing procedures for the fabrication of these standard sets. We present here our effort to fabricate composite samples with known defects and quantify the size and location of defects, such as delaminations, and impact damage. Ultrasonic and Thermographic images are digitally enhanced to accurately measure the damage size. Ultrasonic NDE is compared with thermography.This proceeding may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.
This proceeding appeared in Dayal, Vinay, Zach G. Benedict, Nishtha Bhatnagar, and Adam G. Harper. "Development of composite calibration standard for quantitative NDE by ultrasound and thermography." In AIP Conference Proceedings, vol. 1949, no. 1, p. 060006. AIP Publishing LLC, 2018, and may be found at
DOI: 10.1063/1.5031552.
Copyright 2018 The Author(s).
Posted with permission
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