Influence of Flow Rate Distribution on Combustion Instability of Hypergolic Propellant
Aerospace, 2022 Combustion instability is the biggest threat to the reliability of liquid rocket engines, whose prediction and suppression are of great significance for engineering applications.
Yushan Gao +4 more
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Numerical Investigation of Coaxial GCH4/LOx Combustion at Supercritical Pressures [PDF]
Combustion Science and Technology, 2020, 2021 This article aims to numerically investigate the combustion phenomenon of coaxial gaseous CH4 LOx at supercritical pressures. The choice of turbulence model, real gas model, and chemical kinetics model are the critical parameters in numerical simulations of cryogenic combustion at high pressure.
arxiv +1 more source
A fundamental study of prechamber combustion characteristics in a constant volume combustion chamber
Nihon Kikai Gakkai ronbunshu, 2020 The prechamber combustion characteristics were studied using a constant volume combustion chamber to improve the efficiency of cogeneration natural gas engines.
Seiya UENO +5 more
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Design and development of community incinerators using the CFD method [PDF]
BIO Web of Conferences, 2023 The research aims to develop municipal solid waste (MSW) incinerators for higher thermal efficiency and minimal pollution from combustion. The 3D CFD model is developed for incinerators that consist of a combustion chamber and a cyclone.
Aungkurabrut Ratchaneewan +2 more
doaj +1 more source
Numerical modeling of distributed combustion without air dilution in a novel ultra-low emission turbulent swirl burner [PDF]
, 2021 Distributed combustion, often associated with the low-oxygen condition, offers ultra-low NOX emission. However, it was recently achieved without combustion air dilution or internal flue gas recirculation, using a distinct approach called Mixture Temperature-Controlled combustion.
arxiv +1 more source
Improvements in the turbo-engine by replacement of conventional combustion chamber by a pulse combustion chamber [PDF]
Archive of Mechanical Engineering, 2013 Abstract This paper comprises description of the turbo engine and evaluation of its analytical model. The analytical model was created to establish a benchmark for further evaluation of a wave rotor combustor (at constant volume). The wave rotor combustor concept was presented and discussed.
Janusz Piechna, Damian Łapinski
openaire +2 more sources
Numerical investigation of the heterogeneous combustion processes of solid fuels [PDF]
, 2015 Two-phase computational modelling based on the Euler–Euler was developed to investigate the heterogeneous combustion processes of biomass, in the solid carbon phase, inside a newly designed combustion chamber (Model 1). A transient simulation was carried
Alganash, Blaid +2 more
core +1 more source
Multi-scale Physics of Rotating Detonation Engines: Autosolitons and Modulational Instabilities [PDF]
Phys. Rev. E 104, 024210 (2021), 2020 We develop a theoretical framework that predicts and fully characterizes the diverse experimental observations of the nonlinear, combustion wave propagation in a rotating detonation engine (RDE), including the nucleation and formation of combustion pulses, the soliton-like interactions between these combustion fronts, and the fundamental, underlying ...
arxiv +1 more source
Transient combustion responses of homogeneous propellants to acoustic oscillations in axisymmetric rocket motors [PDF]
, 1997 A numerical analysis of unsteady motions in solid rocket motors has been conducted. The formulation considers a 2-D axisymmetric combustion chamber and a choke nozzle, and treats the complete conservation equations accounting for turbulence closure ...
Culick, F. E. C., Roh, T. S.
core +1 more source
Optimizing the Shape of a Compression-Ignition Engine Combustion Chamber by Using Simulation Tests
Polish Maritime Research, 2019 Modern solutions used in compression-ignition internal combustion engines are quite similar to each other. The use of high-pressure, direct fuel injection results in high combustion rates with controlled exhaust emissions.
Pielecha Ireneusz, Merkisz Jerzy
doaj +1 more source