Results 21 to 30 of about 1,082,201 (386)

Influence of Flow Rate Distribution on Combustion Instability of Hypergolic Propellant

open access: yesAerospace, 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
doaj   +1 more source

Study on the combustion process of the ramjet combustion chamber

open access: yesJournal of Physics: Conference Series, 2023
Abstract To explore the ignition performance of the ramjet combustion chamber, this paper combined the specific structure and working principle of the ramjet to model the ramjet combustion chamber, and carried out numerical simulation research on the flow field characteristics and combustion process of the stable operation of the ...
Tingliang Zhang   +3 more
openaire   +1 more source

EXPERIMENTAL ANALYSIS OF THE COMBUSTION CHAMBER COATED WITH Mo AND Al2O3-TiO2 IN A DIESEL ENGINE

open access: yesMateriali in Tehnologije, 2021
The effect of thermal-barrier coatings (TBCs) reduces fuel consumption, effectively improving the engine efficiency. This research focused on a TBC with a thickness of 300 µm insulating the combustion chamber of a direct ignition (DI) engine.
Murugan Kuppusamy   +3 more
semanticscholar   +1 more source

A fundamental study of prechamber combustion characteristics in a constant volume combustion chamber

open access: yesNihon 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
doaj   +1 more source

Design and development of community incinerators using the CFD method [PDF]

open access: yesBIO 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

Laser cleaning of the output window in a laser ignition system for gas turbines [PDF]

open access: yes, 2012
Laser ignition (LI) of both liquid fuels and gaseous combustible mixtures in gas turbines offers the potential for reduced emissions and increased reliability.
Griffiths, Jonathan David   +1 more
core   +1 more source

Improvements in the turbo-engine by replacement of conventional combustion chamber by a pulse combustion chamber [PDF]

open access: yesArchive 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.
Damian Łapinski, Janusz Piechna
openaire   +1 more source

Optimizing the Shape of a Compression-Ignition Engine Combustion Chamber by Using Simulation Tests

open access: yesPolish 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

New type of microengine using internal combustion of hydrogen and oxygen [PDF]

open access: yes, 2014
Microsystems become part of everyday life but their application is restricted by lack of strong and fast motors (actuators) converting energy into motion.
AC Fernandez-Pello   +26 more
core   +2 more sources

Bayesian models for the determination of resonant frequencies in a DI diesel engine [PDF]

open access: yes, 2011
A time series method for the determination of combustion chamber resonant frequencies is outlined. This technique employs the use of Markov-chain Monte Carlo (MCMC) to infer parameters in a chosen model of the data.
Bodisco, Tim   +3 more
core   +2 more sources

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