A
Ankit Bhagatwala
Researcher at Sandia National Laboratories
Publications - 23
Citations - 1103
Ankit Bhagatwala is an academic researcher from Sandia National Laboratories. The author has contributed to research in topics: Combustion & Autoignition temperature. The author has an hindex of 12, co-authored 23 publications receiving 908 citations. Previous affiliations of Ankit Bhagatwala include Stanford University.
Papers
More filters
Journal ArticleDOI
Assessment of high-resolution methods for numerical simulations of compressible turbulence with shock waves
Eric Johnsen,Johan Larsson,Ankit Bhagatwala,William H. Cabot,Parviz Moin,Britton J. Olson,Pradeep S. Rawat,Santhosh K. Shankar,Björn Sjögreen,Helen C. Yee,Xiaolin Zhong,Sanjiva K. Lele +11 more
TL;DR: The results indicate that the WENO methods provide sharp shock profiles, but overwhelm the physical dissipation, and the hybrid method is minimally dissipative and leads to sharp shocks and well-resolved broadband turbulence, but relies on an appropriate shock sensor.
Journal ArticleDOI
A modified artificial viscosity approach for compressible turbulence simulations
Ankit Bhagatwala,Sanjiva K. Lele +1 more
TL;DR: A modified form using a modified coefficient is proposed which activates AV only in the regions of strong compression, such as shocks, turning it completely off for turbulence and expansion waves, to give improved statistics for all quantities, not just dilatation.
Journal ArticleDOI
Direct numerical simulations of HCCI/SACI with ethanol
TL;DR: Two and three dimensional direct numerical simulations of an autoignitive premixture of air and ethanol in Homogeneous Charge Compression Ignition (HCCI) mode have been conducted.
Journal ArticleDOI
Numerical and experimental investigation of turbulent DME jet flames
TL;DR: In this article, a three-dimensional direct numerical simulation of a temporally evolving planar slot jet flame and experimental measurements within a spatially-evolving axisymmetric jet flame operating with DME (dimethyl ether, CH 3 OCH 3 ) as the fuel are conducted at a Reynolds number of 13050.
Journal ArticleDOI
Numerical investigation of spontaneous flame propagation under RCCI conditions
TL;DR: In this paper, the authors present results from one and two-dimensional direct numerical simulations under Reactivity Controlled Compression Ignition (RCCI) conditions of a primary reference fuel (PRF) mixture consisting of n-heptane and iso-octane.