Tunable Diode Laser Absorption Spectroscopy Based Temperature Measurement with a Single Diode Laser Near 1.4 μm [PDF]
Sensors, 2022 The rapidly changing and wide dynamic range of combustion temperature in scramjet engines presents a major challenge to existing test techniques. Tunable diode laser absorption spectroscopy (TDLAS) based temperature measurement has the advantages of high
Xiaonan Liu, Yufei Ma
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Fuel mixing enhancement of transverse coaxial air and fuel jet by upstream shock wave on in scramjet engines: numerical study [PDF]
Scientific Reports, 2023 In this study, computational fluid dynamics (CFD) is used to disclose the impacts of upstream shock waves on fuel mixing of cross coaxial air and fuel jet at a scramjet engine.
Seyyed Amirreza Abdollahi +4 more
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Influence of the non-equal aligned nozzles for fuel injection inside the supersonic combustion chamber [PDF]
Scientific ReportsThe importance of fuel mixing for the progress of the scramjet engine is indisputable. The present article shows the importance of the non-equal multi-injector system for effective fuel distribution and flame holding inside the combustion segment of a ...
Zhongmian Fan +7 more
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Influence of plasma-enhanced combustion on RBCC engine using URANS [PDF]
Scientific ReportsThe rocket-based combined-cycle (RBCC) engine is regarded as one of the most viable propulsion systems for single-stage-to-orbit launch vehicles. Because of the relatively low total temperature of the incoming flow, it is difficult to maintain sustained ...
Wei-Rui Zhang +4 more
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Investigation of unswept ramp system with lobe shape nozzle for fuel mixing of hydrogen jet at a scramjet engine [PDF]
Scientific ReportsThe role of efficient fuel mixing and a stable flame holder is crucial in enhancing the performance and capabilities of scramjet engines for high-speed flight.
Ihab Omar +9 more
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Unstart Coupling Mechanism Analysis of Multiple-Modules Hypersonic Inlet [PDF]
The Scientific World Journal, 2013 The combination of multiplemodules in parallel manner is an important way to achieve the much higher thrust of scramjet engine. For the multiple-modules scramjet engine, when inlet unstarted oscillatory flow appears in a single-module engine due to high ...
Jichao Hu +4 more
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Numerical study on the start and unstart phenomena in a scramjet inlet-isolator model. [PDF]
PLoS ONE, 2019 Inlet unstart and buzz in scramjet engines must be prevented for the stable operation of the engines. In the present study, the characteristics of the inlet start, unstart and buzz phenomena in a scramjet engine inlet model are investigated using ...
Jaewon Lee, Sang Hun Kang
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AerospaceA micro-pulse detonation engine (μPDE) was designed and installed to a direct-connect scramjet combustor of Pusan National University (PNU-DCSC). The active excitation on the scramjet combustor was experimentally studied using the μPDE operating at ...
Keon-Hyeong Lee +3 more
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Medium independent jet (MI-Jet) engine
Propulsion and Power Research, 2020 MI-Jet or medium independent jet engine is a new conceptual design which can be used in any gaseous atmosphere or in any planets with an ISP greater than that of the existing rocket engines.
Prajith Kumar K P, Aravind Vaidyanathan
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Direct-Connect Test of Solid Scramjet with Symmetrical Structure
Energies, 2021 The solid scramjet has become one of the most promising engine types. In this paper, we report the first direct-connect test of a solid scramjet with symmetrical structure, carried out using boron-based fuel-rich solid propellant as fuel. During the test,
Pengnian Yang +6 more
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