Unsteady Simulations of Rocket Plume Expansions in Geostationary Earth Orbit
Unsteady, direct simulation Monte Carlo/particle-in-cell simulations of rocket plume expansions into the magnetosphere at geostationary
...Two-Temperature Modeling of Nonequilibrium Relaxation and Dissociation in Shock-Heated Oxygen
Shape Optimization of Reentry Vehicles to Minimize Heat Loading
The objective of the current study is to design an optimum reentry vehicle shape that minimizes heat loading subject to constraints on
...Reduced Reaction Mechanism for Rocket Nozzle Ablation Simulations
A reduced reaction mechanism suitable for modeling finite-rate gas-phase chemistry associated with the ablation of carbon-phenolic
...Open-Source Direct Simulation Monte Carlo Chemistry Modeling for Hypersonic Flows
Numerical Analysis of Surface Chemistry in High-Enthalpy Flows
The effects of surface-chemistry processes of a graphite sample exposed to a subsonic high-enthalpy nitrogen flow are investigated using
...Modeling of Heat Transfer Attenuation by Ablative Gases During the Stardust Reentry
Modeling of Emission Spectra in Nonequilibrium Plasmas for Testing Pyrolyzing Ablators
Simulations are performed in collaboration with inductively coupled plasma torch experiments to investigate gas-phase chemical kinetics
...Master Equation Study of Vibrational and Rotational Relaxations of Oxygen
Influence of Chemical Kinetics Models on Plasma Generation in Hypersonic Flight
The accuracy and sensitivity of plasma generation predicted by several different chemical kinetics models is investigated in the context
...High performance modeling of atmospheric re-entry vehicles
Evaluation of Computational Modeling of Electron Transpiration Cooling at High Enthalpies
A modeling approach for electron transpiration cooling of high-enthalpy flight is evaluated through comparison to a set of experiments
...Conjugate Analyses of Ablation in Rocket Nozzles
Boundary-Layer Thermochemical Analysis During Passive and Active Oxidation of Silicon Carbide
Assessment of Hypersonic Flow Physics on Aero-Optics
In a hypersonic environment, the high kinetic energy of the oncoming flow causes the molecules in the flow to be thermally excited
...