An improved constant volume cycle model for performance analysis and shape design of PDRE nozzle
Sign Up to like & getrecommendations! Published in 2018 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-018-2294-6
Abstract: An improved constant volume cycle (CVC) model is developed to analyze the nozzle effects on the thrust and specific impulse of pulse detonation rocket engine (PDRE). Theoretically, this model shows that the thrust coefficient/specific impulse… read more here.
Keywords: pdre; ratio; model; constant volume ... See more keywords
Instability of loose sand in constant volume direct simple shear tests in relation to particle shape
Sign Up to like & getrecommendations! Published in 2020 at "Acta Geotechnica"
DOI: 10.1007/s11440-019-00909-4
Abstract: Post-peak flow instability of six sands notably different in terms of average particle shape characteristics, gradation, and mineralogy was investigated. Tests were carried out under constant volume condition using a NGI-type direct simple shear apparatus.… read more here.
Keywords: direct simple; constant volume; instability; particle shape ... See more keywords
Development of an optically accessible apparatus to characterize the evolution of spherically expanding flames under constant volume conditions
Sign Up to like & getrecommendations! Published in 2020 at "Combustion and Flame"
DOI: 10.1016/j.combustflame.2019.10.027
Abstract: Abstract Flame speed is extremely important as it affects the performances of many industrial systems. Moreover, its significance makes it a major target for the validation of kinetic mechanisms, which explains the necessity to provide… read more here.
Keywords: evolution; flame; flame speed; constant volume ... See more keywords
Determination of laminar burning characteristics of a surrogate for a pyrolysis fuel using constant volume method
Sign Up to like & getrecommendations! Published in 2020 at "Energy"
DOI: 10.1016/j.energy.2019.116315
Abstract: Abstract A fast pyrolysis biofuel, mainly consisting to 98% of ethanol, ethyl acetate, diethyl ether, acetone and 2-butanone with mass ratios of 9:6:2:1:1, was catalytically produced from rice husk. A preliminary engine test demonstrated this… read more here.
Keywords: volume; pyrolysis; laminar burning; constant volume ... See more keywords
Experimental study on the flame propagation behaviors of R245fa(C3H3F5)/CH4/O2/N2 mixtures in a constant volume combustion chamber
Sign Up to like & getrecommendations! Published in 2019 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2018.10.030
Abstract: Abstract This experimental study was aimed at identifying the near-flammable limit and the unstretched flame speed of outwardly propagating spherical flames according to changes in the mole fraction of oxygen in the oxidizer ( R… read more here.
Keywords: mixtures constant; experimental study; combustion chamber; constant volume ... See more keywords
Aqueous ethanol laminar burning velocity measurements using constant volume bomb methods
Sign Up to like & getrecommendations! Published in 2018 at "Fuel"
DOI: 10.1016/j.fuel.2017.10.113
Abstract: Abstract Ethanol is attractive as a renewable fuel for spark ignition engines, and can also be used as an extender in gasoline (up to about 20% by volume) or as a major component (say above… read more here.
Keywords: volume; water; constant volume; burning velocity ... See more keywords
Evaluation of the surrogates capacity to reproduce the laminar burning velocities and the sensitivity to stretching of a commercial kerosene under constant volume combustion conditions
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.119426
Abstract: Abstract These last years, aircraft manufacturers and environmental international bodies have set drastic targets concerning turbo-engines pollution and consumption reduction. To reach the objectives of pollutant emission and consumption reductions, innovative solutions such as constant-volume… read more here.
Keywords: burning velocities; combustion; commercial kerosene; kerosene ... See more keywords
Laminar Burning Velocity of Premixed Ethanol–Air Mixtures with Laser-Induced Spark Ignition Using the Constant-Volume Method
Sign Up to like & getrecommendations! Published in 2019 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.9b00731
Abstract: Ethanol is a widely used gasoline alternative because of its renewability. Laser-induced spark ignition (LISI) is a promising ignition technique for internal combustion engines because of its advanced lean-burning capability and flexibility in ignition location… read more here.
Keywords: laminar burning; air mixtures; ethanol air; spark ignition ... See more keywords
Investigation of Combustion Enhancement by Ozone in a Constant-Volume Combustion Bomb
Sign Up to like & getrecommendations! Published in 2019 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.9b00775
Abstract: This paper presents both experimental and numerical studies to investigate the impact of ozone concentration on a methane/air mixture combustion process. The experiments were conducted in a constant-volume combustion bomb at elevated initial pressures. Combustion… read more here.
Keywords: combustion bomb; combustion process; constant volume; volume combustion ... See more keywords
Adaptation of Broadband Simple Shear Device for Constant Volume and Stress-Controlled Testing
Sign Up to like & getrecommendations! Published in 2017 at "Geotechnical Testing Journal"
DOI: 10.1520/gtj20150181
Abstract: We adapted an existing digitally controlled simple shear device, originally designed for drained testing with strain-control, to perform constant height testing under strain- or stress-controlled conditions. The re-designed system provided PID control of horizontal displacements… read more here.
Keywords: simple shear; stress controlled; control; stress ... See more keywords