Hariswaran Sitaraman

2024

1D Simulation of Avalanche to Streamer to Spark Transition of Plasma Discharge in Ammonia-Air Combustion

Taneja, T., Yang, S. & Sitaraman, H., 2024. 11 p.

Research output: Contribution to conference › Paper

1 Scopus Citations

Computational Methods for Multi-Physics Simulation of Melting in Steelmaking

Yoo, E., Sitaraman, H., Day, M., Bianco, F. & Martin, M., 2024, National Renewable Energy Laboratory (NREL).

Research output: NREL › Poster

Discrete-Element and Material-Point Method (DEM and MPM) Based Solvers for Sustainable Technologies

Sitaraman, H., Deak, N., Appukuttan, S., Young, E., Allen, J. & Usseglio-Viretta, F., 2024, 23 p.

Research output: NREL › Presentation

High-Fidelity Arc-Discharge Model for Hydrogen-Plasma-Smelting-Reduction of Iron Ore

Sitaraman, H., Korsipati, S. V., Raja, L., Day, M., Leick, N., Korobeinikov, Y. & Seetharaman, S., 2024, 22 p.

Research output: NREL › Presentation

Spectral Analysis of Regular Material Point Method and its Application to Study High Pressure Reverse Osmosis Membrane Compaction and Embossing

N. A., S., Sitaraman, H., Deak, N. & Day, M., 2024, 21 p.

Research output: NREL › Presentation

The Pele Simulation Suite for Reacting Flows at Exascale

Henry de Frahan, M., Esclapez, L., Rood, J., Wimer, N., Mullowney, P., Perry, B., Owen, L., Sitaraman, H., Yellapantula, S., Hassanaly, M., Rahimi, M., Martin, M., Doronina, O., A., S., Reith, M., Ge, W., Sankaran, R., Almgren, A., Zhang, W. & Bell, J. & 3 others, Grout, R., Day, M. & Chen, J., 2024, p. 13-25. 13 p.

Research output: Contribution to conference › Paper

2023

Adaptive Mesh Refinement Simulations for Turbulent Reacting Flow

Day, M., Henry de Frahan, M., Rood, J., Wimer, N., Perry, B., Sitaraman, H., Yellapantula, S., Esclapez, L. & Appukuttan, S., 2023, 16 p.

Research output: NREL › Presentation

A Reacting Multiphase Computational Flow Model for 2,3-Butanediol Synthesis in Industrial-Scale Bioreactors

Sitaraman, H., Lischeske, J., Lu, Y. & Stickel, J., 2023, In: Chemical Engineering Research and Design. 197, p. 38-52 15 p.

Research output: Contribution to journal › Article › peer-review

Biomass Feedstock Flow Modeling at Exascale

Deak, N., Lu, Y. & Sitaraman, H., 2023

Research output: NREL › Poster

Computational Analysis of Different Sparging Systems and their Influence in the Fluid-Dynamic Behavior of Bubble Column Reactors

Rahimi, M., Hassanaly, M., Parra-Alvarez, M. & Sitaraman, H., 2023, 21 p.

Research output: NREL › Presentation

Examination of a Methane/Diesel RCCI Engine Using Pele: Preprint

Wimer, N., Esclapez, L., Henry de Frahan, M., Rahimi, M., Hassanaly, M., Perry, B., Rood, J., Yellapantula, S., Sitaraman, H., Martin, M., Doronina, O., Appukuttan, S., Rieth, M. & Day, M., 2023. 13 p.

Research output: Contribution to conference › Paper

Gas-Liquid Flow Modeling for Renewable Fuels Production

Sitaraman, H., Hassanaly, M., Rahimi, M., Lu, Y. & Alvarez, M.-P., 2023, 24 p.

Research output: NREL › Presentation

Memory Access Optimization for Particle Operations in Computational Fluid Dynamics-Discrete Element Method Simulations

Vaidhynathan, D., Sitaraman, H., Grout, R., Hauser, T., Hrenya, C. & Musser, J., 2023, In: Particuology. 78, p. 97-110 14 p.

Research output: Contribution to journal › Article › peer-review

Modeling Simultaneous Particle Shrinkage, Dissolution and Breakage Using the Modified Moving Grid Technique: Article No. 118439

Tiong, S., Ahamed, F., Sitaraman, H., Leong, S. & Ho, Y., 2023, In: Powder Technology. 421, 14 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus Citations

Multiphysics Computational-Fluid-Dynamics (CFD) for Design and Scale-Up of Gas Bioreactors that Utilize CO2

Sitaraman, H., Hassanaly, M., Parra-Alvarez, M. & Rahimi, M., 2023, 22 p.

Research output: NREL › Presentation

Multiphysics Computational Fluid Dynamics for Design and Scale-Up of CO2/Syngas Bioreactors

Parra-Alvarez, M., Hassanaly, M., Rahimi, M. & Sitaraman, H., 2023, National Renewable Energy Laboratory (NREL).

Research output: NREL › Poster

Numerical Analysis of Regular Material Point Method and its Application to Multiphase Flows

Appukuttan, S., Deak, N., Sitaraman, H. & Day, M., 2023, 21 p.

Research output: NREL › Presentation

Optimization of Hydrogen Production from Pyrolysis of Biomass Waste

Parra-Alvarez, M. & Sitaraman, H., 2023, National Renewable Energy Laboratory (NREL).

Research output: NREL › Poster

PeleC: An Adaptive Mesh Refinement Solver for Compressible Reacting Flows

Henry de Frahan, M., Rood, J., Day, M., Sitaraman, H., Yellapantula, S., Perry, B., Grout, R., Almgren, A., Zhang, W., Bell, J. & Chen, J., 2023, In: International Journal of High Performance Computing Applications. 37, 2, p. 115-131 17 p.

Research output: Contribution to journal › Article › peer-review

Open Access

33 Scopus Citations

Simulating Catalysis with Realistic Pellet Geometries Using Mesoflow: A Case Study of Catalytic Propane Dehydrogenation

Crowley, M., Sitaraman, H., Thornburg, N., Medford, A., Yonge, A., Fushimi, R., Bharadwaj, V., Pecha, M. & Ciesielski, P., 2023, 30 p.

Research output: NREL › Presentation

Simulation of Reverse Osmosis Membrane Compaction Using Material Point Method

Appukuttan, S., Sitaraman, H., Day, M., Suleiman, Y., Shabazmohamadi, S., Wu, J. & Hoek, E., 2023, 24 p.

Research output: NREL › Presentation

Simulation of Reverse Osmosis Membrane Compaction Using Material Point Method (MPM)

N. A., S., Sitaraman, H., Day, M., Suleiman, Y., Shabazmohamadi, S., Wu, J. & Hoek, E., 2023

Research output: NREL › Poster

Simulations of Biomass Compression-Screw Feeding Using a Compressible Non-Newtonian Constitutive Model: Article No. 119117

Rahimi, M., Sitaraman, H., Sievers, D., Stickel, J., Akbari Fakhrabadi, E. & Liberatore, M., 2023, In: Chemical Engineering Science. 281, 9 p.

Research output: Contribution to journal › Article › peer-review

Simulations of Fuel-Air Mixing in a 7 Element Lean Direct Injection (LDI) Aviation Combustor

N. A., S., Perry, B., Yellapantula, S., Esclapez, L., Sitaraman, H. & Day, M., 2023, 19 p.

Research output: NREL › Presentation

Simulations of Fuel-Air Mixing in a 7 Element Lean Direct Injection (LDI) Aviation Combustor: Preprint

Appukuttan, S., Perry, B., Yellapantula, S., Esclapez, L., Sitaraman, H. & Day, M., 2023. 13 p.

Research output: Contribution to conference › Paper

Visualizations of a Methane/Diesel RCCI Engine Using PeleC and PeleLMeX: Article No. 110511

Wimer, N., Esclapez, L., Brunhart-Lupo, N., Henry de Frahan, M., Rahimi, M., Hassanaly, M., Rood, J., Yellapantula, S., Sitaraman, H., Perry, B., Martin, M., Doronina, O., Appukuttan, S., Reith, M. & Day, M., 2023, In: Physical Review Fluids. 8, 11, 4 p.

Research output: Contribution to journal › Article › peer-review

2 Scopus Citations

2022

Characterizing Biomass Feedstock Transport Properties Using State of the Art Imaging and Computational Techniques

Crowley, M., Sitaraman, H., Klinger, J., Usseglio-Viretta, F., Thornburg, N., Pecha, M. B., Brunhart-Lupo, N., Xia, Y. & Ciesielski, P., 2022

Research output: NREL › Poster

Computational Study of Variable Fuel-Air Ratio and Hydrogen Doping in a Rotating Detonation Engine

Nadakkal Appukuttan, S., Sitaraman, H., Yellapantula, S., Henry de Frahan, M. & Day, M., 2022, 18 p.

Research output: NREL › Presentation

Impact of Large-Scale Effects on Mass Transfer and Concentration Polarization in Reverse Osmosis Membrane Systems

Sitaraman, H. & Battiato, I., 15 Dec 2022, In: Separation and Purification Technology. 303, 13 p., Article No. 122121.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus Citations

Impact of Variable Gas Mixtures on Bubble Size Distribution and Mass Transfer in Gas Fermentation Reactors

Sitaraman, H., Hassanaly, M., Parra-Alvarez, M., Rahimi, M. & Stickel, J., 2022, 20 p.

Research output: NREL › Presentation

Measurement of Transport Properties of Woody Biomass Feedstock Particles Before and After Pyrolysis by Numerical Analysis of X-Ray Tomographic Reconstructions

Crowley, M., Sitaraman, H., Klinger, J., Usseglio-Viretta, F., Thornburg, N., Brunhart-Lupo, N., Pecha, M., Dooley, J., Xia, Y. & Ciesielski, P., 2022, In: Frontiers in Energy Research. 10, 14 p., 850630.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus Citations

Mesoflow: An Open-Source Reacting Flow Solver for Catalysis at Mesoscale

Sitaraman, H., Ciesielski, P., Crowley, M., Pecha, B. & Thornburg, N., 2022, 17 p.

Research output: NREL › Presentation

Numerical Study on the Effect of Methane Doping in Hydrogen-Air Rotating Detonation Engines for Various Temperatures and Pressures

N. A., S., Sitaraman, H., Yellapantula, S., Day, M. & Henry de Frahan, M., 2022

Research output: NREL › Poster

Pele: An Exascale-Ready Suite of Combustion Codes

Day, M., Esclapez, L., Henry de Frahan, M., Rood, J., Sitaraman, H., Wimer, N., Grout, R. & Chen, J., 2022, 21 p.

Research output: NREL › Presentation

2021

Adaptive Mesh Based Combustion Simulations of Direct Fuel Injection Effects in a Supersonic Cavity Flame-Holder

Sitaraman, H., Yellapantula, S., Henry de Frahan, M., Perry, B., Rood, J., Grout, R. & Day, M., 2021, In: Combustion and Flame. 232, 13 p., 111531.

Research output: Contribution to journal › Article › peer-review

Open Access

40 Scopus Citations

An Error-Controlled Adaptive Time-Stepping Method for Particle Advancement in Coupled CFD-DEM Simulations

Sitaraman, H., Vaidhynathan, D., Grout, R., Hauser, T., Hrenya, C. M. & Musser, J., Feb 2021, In: Powder Technology. 379, p. 203-216 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus Citations

Bridging Scales in Bioenergy and Catalysis: A Review of Mesoscale Modeling Applications, Methods, and Future Directions

Ciesielski, P., Pecha, M., Thornburg, N., Crowley, M., Gao, X., Oyedeji, O., Sitaraman, H. & Brunhart-Lupo, N., 16 Sep 2021, In: Energy and Fuels. 35, 18, p. 14382-14400 19 p.

Research output: Contribution to journal › Article › peer-review

Open Access

13 Scopus Citations

Enabling Combustion Science Simulations for Future Exascale Machines

Rood, J., Henry de Frahan, M., Day, M., Sitaraman, H., Yellapantula, S., Perry, B., Grout, R., Almgren, A., Zhang, W. & Chen, J., 2021

Research output: NREL › Poster

Performance Comparison of CFD-DEM Solver MFiX-Exa, on GPUs and CPUs: arXiv:2108.08821 [cs.DC]

Lao, S., Holt, A., Vaidhynathan, D., Sitaraman, H., Hrenya, C. & Hauser, T., 2021, In: ArXiv.org. 19 p.

Research output: Contribution to journal › Article

Surface Chemistry Models for GaAs Epitaxial Growth and Hydride Cracking Using Reacting Flow Simulations

Hassanaly, M., Sitaraman, H., Schulte, K., Ptak, A., Simon, J., Udwary, K., Leach, J. & Splawn, H., 21 Sep 2021, In: Journal of Applied Physics. 130, 11, 14 p., 115702.

Research output: Contribution to journal › Article › peer-review

2 Scopus Citations

Virtual Engineering Software Framework for Integrated Biomass Conversion Modeling

Young, E., Sitaraman, H., Glaws, A., Bartling, A., Lischeske, J. & Stickel, J., 2021, 19 p.

Research output: NREL › Presentation

Visualizations of Direct Fuel Injection Effects in a Supersonic Cavity Flameholder

Sitaraman, H., Brunhart-Lupo, N., Henry de Frahan, M., Yellapantula, S., Perry, B., Rood, J., Grout, R., Day, M., Binyahib, R. & Gruchalla, K., Nov 2021, In: Physical Review Fluids. 6, 11, 3 p., Article No. 110504.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Scopus Citations

2020

An Adaptive-Mesh-Refinement Based Computational Tool for Simulating Catalysis at Mesoscale

Sitaraman, H., Bharadwaj, V., Pecha, B., Ciesielski, P. & Crowley, M., 2020, 16 p.

Research output: NREL › Presentation

Coupled Microbial-Conversion and Computational-Fluid-Dynamics (CFD) Models for Butanediol Production in Micro-Aerated Reactors

Sitaraman, H., Lischeske, J., Rahimi, M., Bomble, Y., St. John, P., Wu, C. & Stickel, J., 2020, 30 p.

Research output: NREL › Presentation

2019

Computational Fluid Dynamics of Bioreactors with Micro-Aeration

Lischeske, J., Rahimi, M., Sitaraman, H. & Stickel, J., 2019

Research output: NREL › Poster

Computational Fluid Dynamics Simulation of Compressible Non-Newtonian Biomass in a Compression-Screw Feeder

Rahimi, M., Sitaraman, H., Lischeske, J., Sievers, D. & Stickel, J., 2019, 20 p.

Research output: NREL › Presentation

Coupled CFD and Chemical-Kinetics Simulations of Cellulosic-Biomass Enzymatic Hydrolysis: Mathematical-Model Development and Validation

Sitaraman, H., Danes, N., Lischeske, J., Stickel, J. & Sprague, M., 12 Oct 2019, In: Chemical Engineering Science. 206, p. 348-360 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

18 Scopus Citations

Multiphase Reacting Flow Simulations and Optimization of Commercial-Scale Aerobic Bioreactors

Sitaraman, H., Rahimi, M., Lischeske, J. & Stickel, J., 2019, 19 p.

Research output: NREL › Presentation

Nucleate Pool Boiling of R-245fa at Low Saturation Temperatures for Hydrogen Precooling Applications

Moreno, G., Kekelia, B., Sitaraman, H., Narumanchi, S. & Bennion, K., Apr 2019, In: International Journal of Heat and Mass Transfer. 132, p. 172-183 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Scopus Citations

Parameter Determination of the Non-Local Granular Fluidity Model for Wood Chips by Comparison to Well-Defined Experimental Flow Systems

Stickel, J., Ahsan, S., Sitaraman, H. & Klinger, J., 2019, 33 p.

Research output: NREL › Presentation

Hariswaran Sitaraman

Research Output

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