Numerical investigations on the emitter power and energy conversion efficiency improvement of micro‐cylindrical combustor by an internal spiral fin for micro‐thermophotovoltaic systems
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Energy Research"
DOI: 10.1002/er.6405
Abstract: Aiming at improving the energy output and energy conversion efficiency of thermophotovoltaic systems, a micro‐combustor with high and uniform outer wall temperature is desirable. Therefore, the micro‐cylindrical combustor with a novel micro‐spiral fin is proposed… read more here.
Keywords: energy; cylindrical combustor; spiral fin; micro cylindrical ... See more keywords
Dependence of Pressure, Combustion and Frequency Characteristics on Valved Pulsejet Combustor Geometries
Sign Up to like & getrecommendations! Published in 2018 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-017-9875-1
Abstract: An experimental analysis of valved pulsejets based on the Curtis-Dyna design and the concomitant results are discussed in the current paper. By altering the combustor length, the tail pipe length and by adding a flare… read more here.
Keywords: pressure combustion; frequency; combustion; pulsejet ... See more keywords
Large-Eddy Simulation of Kerosene Spray Ignition in a Simplified Aeronautic Combustor
Sign Up to like & getrecommendations! Published in 2018 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-018-9924-4
Abstract: The current work presents the Large Eddy Simulation (LES) of a kerosene spray ignition phase in a simplified aeronautical combustor for which detailed experimental data are available. The carrier phase is simulated using an unstructured… read more here.
Keywords: large eddy; phase; eddy simulation; combustor ... See more keywords
Experimental Investigation of Global Combustion Characteristics in an Effusion Cooled Single Sector Model Gas Turbine Combustor
Sign Up to like & getrecommendations! Published in 2019 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-018-9999-y
Abstract: This paper presents experimental investigations in an effusion cooled single sector gas turbine combustor under close-to-reality boundary conditions, i.e. elevated pressure and combustor inlet temperature, under varying staging conditions. Flow field, flame structure and gas-phase… read more here.
Keywords: gas; cooled single; effusion cooled; combustor ... See more keywords
The Effect of Different Reaction Mechanisms on Combustion Simulation of a Reverse-Flow Combustor
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Science"
DOI: 10.1007/s11630-019-1184-7
Abstract: Three different reaction mechanisms of kerosene and flamelet models were used to simulate combustion in a reverse-flow combustor. By comparing the effects of different mechanisms on the flow field characteristics, components and temperature distribution of… read more here.
Keywords: different reaction; combustion; combustor; reaction mechanisms ... See more keywords
Post-test analysis of the LAPCAT-II subscale scramjet
Sign Up to like & getrecommendations! Published in 2020 at "CEAS Space Journal"
DOI: 10.1007/s12567-020-00307-7
Abstract: A subscale flight experiment configuration propelled by a Mach 8 supersonic combustion ramjet (scramjet) was designed within the framework of the European Commission co-funded Long Term Advanced Propulsion Concepts and Technologies II project. The focus… read more here.
Keywords: post test; test analysis; pressure distribution; combustor ... See more keywords
A conceptual design of shock-eliminating clover combustor for large scale scramjet engine
Sign Up to like & getrecommendations! Published in 2017 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2016.10.012
Abstract: Abstract A new concept of shock-eliminating clover combustor is proposed for large scale scramjet engine to fulfill the requirements of fuel penetration, total pressure recovery and cooling. To generate the circular-to-clover transition shape of the… read more here.
Keywords: clover combustor; eliminating clover; combustor; shock eliminating ... See more keywords
Experimental Investigation of Self-Excited Combustion Instabilities with Injection Coupling in a Cryogenic Rocket Combustor
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.06.057
Abstract: Abstract The cryogenic LOX/H2 multi-injector research combustor “BKD” allows the investigation of high-frequency combustion instabilities under realistic conditions. Two different types of self-excited instabilities were observed. For one instability the underlying coupling mechanism was already… read more here.
Keywords: frequency; combustion; self excited; combustor ... See more keywords
Effects of total pressure on mode transition in a dual-mode combustor
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.11.035
Abstract: Abstract The mode transition experiments of the dual-mode combustor were carried out under the conditions that the total pressure was 600 kPa, 700 kPa, 800 kPa and 900 kPa, the total temperature was 810 K, and the Mach number was… read more here.
Keywords: mode transition; combustor; total pressure; pressure ... See more keywords
Complex numerical-experimental investigations of combustion in model high-speed combustor ducts
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.11.046
Abstract: Abstract Fast technologies for numerical simulation of high-speed flows in ducts, developed in TsAGI, are described. The examples are presented of the application of experimental data, obtained at T-131 wind tunnel, for validation of the… read more here.
Keywords: validation; combustion; speed; combustor ... See more keywords
Influence of the vortex generator on the performance of solid rocket scramjet combustor
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.08.002
Abstract: Abstract In this paper, the influence of vortex generator on the performance of solid scramjet was investigated by means of direct-connected fire tests. The experiments simulated a flight Mach number 5.5 at 23 km. Hydrocarbon fuel was… read more here.
Keywords: vortex generator; combustor; fuel; generator ... See more keywords