All Stories

  1. Modeling MTS pyrolysis and SiC deposition kinetics using principal component analysis and neural networks

    Article • Journal of the American Ceramic Society, September 2025, Wiley

    Dr Ramanan Sankaran

  2. Modeling Microwave-Enhanced Chemical Vapor Infiltration Process for Preventing Premature Pore Closure

    Article • ASME Journal of Heat and Mass Transfer, December 2024, ASME International

    Dr Ramanan Sankaran

  3. Quench process modeling & simulation in the heat-treatment of critical aerospace components

    Article • October 2024, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  4. Summary Report of the SOS26 Workshop held March 11-14, 2024

    Article • September 2024, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  5. Effects of temperature inversion on densification in chemical vapor infiltration

    Article • Journal of the American Ceramic Society, May 2024, Wiley

    Dr Ramanan Sankaran

  6. PeleMP: The Multiphysics Solver for the Combustion Pele Adaptive Mesh Refinement Code Suite

    Article • Journal of Fluids Engineering, February 2024, ASME International

    Dr Ramanan Sankaran

  7. A Level Set Model for Structured Mesh Representation of Fibrous Preforms used in Composites Manufacturing

    Article • Applied Composite Materials, September 2023, Springer Science + Business Media

    Dr Ramanan Sankaran

  8. Modeling the Effects of Microwave Heating on Densification in Chemical Vapor Infiltration

    Article • April 2023, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  9. A direct numerical simulation study of the dilution tolerance of propane combustion under spark-ignition engine conditions

    Article • Combustion and Flame, January 2023, Elsevier

    Dr Ramanan Sankaran

  10. Simulation of Transport Phenomena in Bubble Column Reactors

    Article • September 2022, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  11. Chemical vapor infiltration of additively manufactured preforms: Pore‐resolved simulations and experimental validation

    Article • Journal of the American Ceramic Society, December 2021, Wiley

    Dr Ramanan Sankaran

  12. A statistical analysis of developing knock intensity in a mixture with temperature inhomogeneities

    Article • Proceedings of the Combustion Institute, January 2021, Elsevier

    Dr Ramanan Sankaran

  13. Characteristics of flow through randomly packed impermeable and permeable particles using pore resolved simulations

    Article • Chemical Engineering Science, December 2020, Elsevier

    Dr Ramanan Sankaran

  14. Auto-ignitive deflagration speed of methane (CH4) blended dimethyl-ether (DME)/air mixtures at stratified conditions

    Article • Combustion and Flame, January 2020, Elsevier

    Dr Ramanan Sankaran

  15. High Order Anchoring and Reinitialization of Level Set Function for Simulating Interface Motion

    Article • Journal of Scientific Computing, November 2019, Springer Science + Business Media

    Dr Ramanan Sankaran

  16. A sharp interface model for deterministic simulation of dendrite growth

    Article • Computational Materials Science, November 2019, Elsevier

    Dr Ramanan Sankaran

  17. Level-set Modeling Simulations of Chemical Vapor Infiltration for Ceramic Matrix Composites Manufacturing

    Article • August 2019, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  18. An Adaptive Particle Tracking Algorithm for Lagrangian-Eulerian Simulations of Dispersed Multiphase Flows

    Article • January 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  19. Unsteady deflagration speed of an auto-ignitive dimethyl-ether (DME)/air mixture at stratified conditions

    Article • Proceedings of the Combustion Institute, November 2018, Elsevier

    Dr Ramanan Sankaran

  20. Direct numerical simulations of reacting flows with detailed chemistry using many-core/GPU acceleration

    Article • Computers & Fluids, March 2018, Elsevier

    Dr Ramanan Sankaran

  21. Simulation of Dendrite Formation during Unstable Solidification Using a Second Order Level Set Method

    Article • January 2018, The Minerals, Metals and Materials Society

    Dr Ramanan Sankaran

  22. On the effect of injection timing on the ignition of lean PRF/air/EGR mixtures under direct dual fuel stratification conditions

    Article • Combustion and Flame, September 2017, Elsevier

    Dr Ramanan Sankaran

  23. On the Ignition and the Combustion of Supercritical Fuel Jet-In-Cross-Flow

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  24. LES of Reacting Jet in Crossflow with GPUs

    Article • July 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  25. LES of Supercritical Jet in Crossflow using GPUs

    Article • January 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  26. Numerical investigation of spontaneous flame propagation under RCCI conditions

    Article • Combustion and Flame, September 2015, Elsevier

    Dr Ramanan Sankaran

  27. Response of flame thickness and propagation speed under intense turbulence in spatially developing lean premixed methane–air jet flames

    Article • Combustion and Flame, September 2015, Elsevier

    Dr Ramanan Sankaran

  28. Accelerated application development: The ORNL Titan experience

    Article • Computers & Electrical Engineering, August 2015, Elsevier

    Dr Ramanan Sankaran

  29. Genetic algorithm based task reordering to improve the performance of batch scheduled massively parallel scientific applications

    Article • Concurrency and Computation Practice and Experience, April 2015, Wiley

    Dr Ramanan Sankaran

  30. GPU-accelerated Software Library for Unsteady Flamelet Modeling of Turbulent Combustion with Complex Chemical Kinetics

    Article • January 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  31. Determination of three-dimensional quantities related to scalar dissipation rate and its transport from two-dimensional measurements: Direct Numerical Simulation based validation

    Article • Proceedings of the Combustion Institute, January 2013, Elsevier

    Dr Ramanan Sankaran, Prof N Swaminathan

  32. Hybridizing S3D into an Exascale application using OpenACC: An approach for moving to multi-petaflops and beyond

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Ramanan Sankaran

  33. Integration of Hydra-TH in VERA (L2 Milestone THM.CFD.P5.01)

    Article • June 2012, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  34. Accelerating the Computation of Detailed Chemical Reaction Kinetics for Simulating Combustion of Complex Fuels

    Article • January 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  35. Experiences with High-Level Programming Directives for Porting Applications to GPUs

    Article • January 2012, Springer Science + Business Media

    Dr Ramanan Sankaran

  36. A DNS study on the stabilization mechanism of a turbulent lifted ethylene jet flame in highly-heated coflow

    Article • Proceedings of the Combustion Institute, January 2011, Elsevier

    Dr Ramanan Sankaran

  37. Estimates of the three-dimensional flame surface density and every term in its transport equation from two-dimensional measurements

    Article • Proceedings of the Combustion Institute, January 2011, Elsevier

    Dr Ramanan Sankaran

  38. Turbulent flame–wall interaction: a direct numerical simulation study

    Article • Journal of Fluid Mechanics, August 2010, Cambridge University Press

    Dr Ramanan Sankaran

  39. Numerical analysis of reaction–diffusion effects on species mixing rates in turbulent premixed methane–air combustion

    Article • Combustion and Flame, March 2010, Elsevier

    Dr Ramanan Sankaran

  40. Accelerating S3D: A GPGPU Case Study

    Article • January 2010, Springer Science + Business Media

    Dr Ramanan Sankaran

  41. Three-dimensional direct numerical simulation of a turbulent lifted hydrogen jet flame in heated coflow: flame stabilization and structure

    Article • Journal of Fluid Mechanics, December 2009, Cambridge University Press

    Dr Ramanan Sankaran

  42. High-fidelity simulations for clean and efficient combustion of alternative fuels

    Article • Journal of Physics Conference Series, July 2009, Institute of Physics Publishing

    Dr Ramanan Sankaran

  43. Terascale direct numerical simulations of turbulent combustion using S3D

    Article • Computational Science & Discovery, January 2009, Institute of Physics Publishing

    Dr Ramanan Sankaran

  44. An analysis of lower-dimensional approximations to the scalar dissipation rate using direct numerical simulations of plane jet flames

    Article • Proceedings of the Combustion Institute, January 2009, Elsevier

    Dr Ramanan Sankaran

  45. Impact of Quad-Core Cray XT4 System and Software Stack on Scientific Computation

    Article • January 2009, Springer Science + Business Media

    Dr Ramanan Sankaran

  46. Early evaluation of IBM BlueGene/P

    Article • November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Ramanan Sankaran

  47. High-fidelity simulations for clean and efficient combustion of alternative fuels

    Article • Journal of Physics Conference Series, July 2008, Institute of Physics Publishing

    Dr Ramanan Sankaran

  48. Scientific Application Requirements for Leadership Computing at the Exascale

    Article • December 2007, Office of Scientific and Technical Information (OSTI)

    Dr Ramanan Sankaran

  49. ANALYTICAL MODEL FOR AUTO-IGNITION IN A THERMALLY STRATIFIED HCCI ENGINE

    Article • Combustion Science and Technology, August 2007, Taylor & Francis

    Dr Ramanan Sankaran

  50. Using MPI file caching to improve parallel write performance for large-scale scientific applications

    Article • January 2007, ACM (Association for Computing Machinery)

    Dr Ramanan Sankaran

  51. Cray XT4

    Article • January 2007, ACM (Association for Computing Machinery)

    Dr Ramanan Sankaran

  52. Scalar mixing in direct numerical simulations of temporally evolving plane jet flames with skeletal CO/H2 kinetics

    Article • Proceedings of the Combustion Institute, January 2007, Elsevier

    Dr Ramanan Sankaran

  53. Structure of a spatially developing turbulent lean methane–air Bunsen flame

    Article • Proceedings of the Combustion Institute, January 2007, Elsevier

    Dr Ramanan Sankaran

  54. EFFECTS OF HYDROGEN ADDITION ON THE MARKSTEIN LENGTH AND FLAMMABILITY LIMIT OF STRETCHED METHANE/AIR PREMIXED FLAMES

    Article • Combustion Science and Technology, September 2006, Taylor & Francis

    Dr Ramanan Sankaran

  55. Direct numerical simulations of turbulent lean premixed combustion

    Article • Journal of Physics Conference Series, September 2006, Institute of Physics Publishing

    Dr Ramanan Sankaran

  56. Direct numerical simulation of ignition front propagation in a constant volume with temperature inhomogeneities

    Article • Combustion and Flame, April 2006, Elsevier

    Dr Ramanan Sankaran

  57. Direct numerical simulation of ignition front propagation in a constant volume with temperature inhomogeneities

    Article • Combustion and Flame, April 2006, Elsevier

    Dr Ramanan Sankaran

  58. Study of Turbulent Premixed Flame Thickness using Direct Numerical Simulation in a Slot Burner Configuration

    Article • January 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  59. Characteristics of auto-ignition in a stratified iso-octane mixture with exhaust gases under homogeneous charge compression ignition conditions

    Article • Combustion Theory and Modelling, August 2005, Taylor & Francis

    Dr Ramanan Sankaran

  60. Direct numerical simulation of turbulent combustion: fundamental insights towards predictive models

    Article • Journal of Physics Conference Series, January 2005, Institute of Physics Publishing

    Dr Ramanan Sankaran

  61. The effects of non-uniform temperature distribution on the ignition of a lean homogeneous hydrogen–air mixture

    Article • Proceedings of the Combustion Institute, January 2005, Elsevier

    Dr Ramanan Sankaran

  62. Effects of Mixture Inhomogeneity on the Auto-Ignition of Reactants Under HCCI Environment

    Article • January 2004, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  63. Dynamic flammability limits of methane/air premixed flames with mixture composition fluctuations

    Article • Proceedings of the Combustion Institute, January 2002, Elsevier

    Dr Ramanan Sankaran

  64. Application of space-time method to steady flows

    Article • November 1999, American Institute of Aeronautics and Astronautics (AIAA)

    Dr Ramanan Sankaran

  65. Empirical Analysis of a Large-Scale Hierarchical Storage System

    Article • Springer Science + Business Media

    Dr Ramanan Sankaran