Essentially non-oscillatory and weighted essentially non-oscillatory schemes

CW Shu - Acta Numerica, 2020 - cambridge.org
Essentially non-oscillatory (ENO) and weighted ENO (WENO) schemes were designed for
solving hyperbolic and convection–diffusion equations with possibly discontinuous solutions …

Thermochemical non-equilibrium effects in turbulent hypersonic boundary layers

D Passiatore, L Sciacovelli, P Cinnella… - Journal of Fluid …, 2022 - cambridge.org
A hypersonic, spatially evolving turbulent boundary layer at Mach 12.48 with a cooled wall is
analysed by means of direct numerical simulations. At the selected conditions, massive …

Analysis of the detonation wave structure in a linearized rotating detonation engine

S Prakash, R Fiévet, V Raman, J Burr, KH Yu - AIAA Journal, 2020 - arc.aiaa.org
The rotating detonation engine is increasingly favored as a viable pressure gain combustion
technology for both propulsion and power generation applications. Practical designs involve …

Data-driven classification and modeling of combustion regimes in detonation waves

S Barwey, S Prakash, M Hassanaly… - Flow, Turbulence and …, 2021 - Springer
A data-driven approach to classify combustion regimes in detonation waves is implemented,
and a procedure for domain-localized source term modeling based on these classifications …

State-to-state vibrational kinetics of diatomic molecules in laser-induced ignition of a syngas-air mixture: Modeling study

IN Kadochnikov, IV Arsentiev, BI Loukhovitski… - Chemical Physics, 2022 - Elsevier
A thermally nonequilibrium model was created to describe the processes occurring in a
syngas-air mixture when exposed to intense CO laser radiation. The model consistently …

Direct simulation Monte Carlo modeling of H2–O2 deflagration waves

IB Sebastião, L Qiao, A Alexeenko - Combustion and Flame, 2018 - Elsevier
Combustion at extreme conditions such as high-speed and microscale involve
nonequilibrium transport and chemical reactions that require atomistic treatment of …

Nonequilibrium Heating/Cooling Effects in a Mach Number 10 Hydrogen-Fueled Scramjet

H Liu, W Yao, X Zhang, X Zhang, J Liu, L Yue… - Journal of Propulsion …, 2024 - arc.aiaa.org
The influence of thermal/chemical nonequilibrium on a hydrogen-fueled M a 10 scramjet
was analyzed by combining the JF-2 4 s hock tunnel test and improved delayed detached …

[PDF][PDF] Detonation propagation through inhomogeneous fuel-air mixtures

S Prakash, V Raman - 2019 - osti.gov
In practical rotating detonation engines (RDEs), non-premixed fuel and air injection is used
to limit the back-propagation of high-pressure waves into the feed plenums. The incomplete …

Exploration of Wien Displacement Law: A Fundamental Concept in Quantum Physics

YRR Yohakim, SH Maodjud, EJ Ngaga… - Bincang Sains dan …, 2024 - journal.iistr.org
This study explores the relationship between the temperature of a black body and the
wavelength of the radiation it emits based on the Wien Displacement Law. This experiment …

Ab-Initio Collision Models for DSMC and Their Applications to Reacting Flows

IB Sebastiao - 2017 - search.proquest.com
Abstract The direct simulation Monte Carlo (DSMC) method is an atomistic-level technique
for modeling nonequilibrium flows appearing in the fields of gas dynamics and physical …