Skip to main content

Hariswaran Sitaraman

Researcher IV-Mechanical Engineering

| 303-275-3171

Hariswaran "Hari" Sitaraman is a research scientist in the Computational Science Center at NREL. His expertise is in the computational modeling of reacting flows and in the development of associated numerical methods on current and upcoming high-performance computing architectures.

Research Interests

Multiphase reacting flow simulations of biochemical conversion processes

Algorithm developments using adaptive mesh refinement 

Performance optimizations for continuum-Lagrangian solvers pertaining to combustion and particulate flows


Ph.D., Aerospace Engineering, University of Texas at Austin

M.S., Aerospace Engineering, University of Texas at Austin

B. Tech, Aerospace Engineering, IIT Madras

Featured Work

Coupled CFD and Chemical-Kinetics Simulations of Cellulosic-Biomass Enzymatic Hydrolysis: Mathematical Model Development and Validation, Chemical Engineering Science (2019)

Computational Fluid Dynamics Study of Full-Scale Aerobic Bioreactors: Evaluation of Gas-Liquid Mass Transfer, Oxygen Uptake, and Dynamic Oxygen Distribution, Chemical Engineering Research and Design (2018)

Local-Scale Simulations of Nucleate Boiling on Micrometer-Featured Surfaces, NREL Conference Paper (2017)

Balancing Conflicting Requirements for Grid and Particle Decomposition in Continuum Lagrangian Solvers, Parallel Computing (2016)

Premixed Combustion Simulations with a Self-Consistent Plasma Model for Initiation, Proceedings of 54th AIAA Aerospace Sciences Meeting (2016)

Multi-Physics Modeling and Simulation of High-Solids Dilute-Acid Pretreatment of Corn Stover in a Steam-Explosion Reactor, Chemical Engineering Journal (2015)

Magneto-Hydrodynamics Simulation Study of Deflagration Mode in Co-Axial Plasma Accelerators, Physics of Plasmas (2014)

A Matrix Free Implicit Scheme for Solution of Resistive Magneto-Hydrodynamics Equations on Unstructured Grids, Journal of Computational Physics (2013)