Results 11 to 20 of about 21,342 (292)

Effects of inflow parameters on thermal protection and drag reduction characteristics for hydrocarbon fueled supersonic film with combustion

Case Studies in Thermal Engineering, 2023
Hydrocarbon fueled supersonic film is considered to be one of the most effective methods for achieving thermal protection and drag reduction meanwhile in scramjet combustors.
Jingying Zuo, Silong Zhang, Jianfei Wei, Xin Li, Naigang Cui, Wen Bao   +5 more
doaj   +1 more source

Leading-to-trailing edge theoretical design of a generic scramjet

AIP Advances, 2022
The aerospace vehicle flying at hypersonic speed, using an airbreathing propulsion system based on supersonic combustion (scramjet) technology, requires a highly integrated system without moving parts, making the propulsion system and vehicle shape ...
R. Carneiro, P. P. B. Araújo, G. S. Marinho, J. F. A. Martos, A. Passaro, P. G. P. Toro   +5 more
doaj   +1 more source

Investigation of Very Large Eddy Simulation Method for Applications of Supersonic Turbulent Combustion

Aerospace, 2023
The very large eddy simulation (VLES) method was investigated for supersonic reacting flows in the present work. The advantages and characteristics of the VLES model and the widely used improved delayed detached eddy simulation (IDDES) method were ...
Chong Yan, Yibing Xu, Ruizhe Cao, Ying Piao   +3 more
doaj   +1 more source

Quasi-One-Dimensional Model of Hydrocarbon-Fueled Scramjet Combustor Coupled with Regenerative Cooling

International Journal of Aerospace Engineering, 2022
In order to rapidly predict the performance of hydrocarbon-fueled regeneratively cooled scramjet engine in system design, a quasi-one-dimensional model has been developed.
Yuefei Xiong, Jiang Qin, Kunlin Cheng, Silong Zhang, Yu Feng   +4 more
doaj   +1 more source

Research Progress of Supersonic Jet Mixing Enhancement Technology Based on Slope and Wavy Wall [PDF]

Hangkong bingqi, 2023
With the rapid development of scramjet technology, the requirement of full mixing and efficient combustion of fuel jet and supersonic air flow with very short residence time in the combustion chamber is becoming much higher.
Wang Ruorong, Guo Zhenyun, Huang Wei
doaj   +1 more source

Research Progress on Supersonic Mixing Enhanced by Vortex Generators [PDF]

Hangkong bingqi
Efficient mixing of fuel and air under supersonic conditions is important for achieving efficient combustion in scramjet and combined-cycle combustion chambers.
Xie Haiwei, Zhang Dongdong, Wang Pengren, Xu Zheng, Tan Jianguo
doaj   +1 more source

Pseudo-shock waves and their interactions in high-speed intakes [PDF]

, 2016
In an air-breathing engine the flow deceleration from supersonic to subsonic conditions takes places inside the isolator through a gradual compression consisting of a series of shock waves.
Gnani, F., Kontis, K., Zare-Behtash, H.
core   +1 more source

Some Effects of Hydrogen Self-Ignition and Combustion in Supersonic Flow

Eurasian Chemico-Technological Journal, 2014
Results are presented of computational and experimental investigations of the influence of temperature and flow composition on the hydrogen combustion kinetics for a coaxial fuel supersonic flow.
U. Zhapbasbayev, V. Zabaykin, Y. Makashev, A. Tursynbay, B. Urmashev   +4 more
doaj   +1 more source

Effect of ramp-cavity on hydrogen fueled scramjet combustor

Propulsion and Power Research, 2014
Sustained combustion and optimization of combustor are the two challenges being faced by combustion scientists working in the area of supersonic combustion.
J.V.S. Moorthy, B. Rajinikanth, B.V.N. Charyulu, G. Amba Prasad Rao   +3 more
doaj   +1 more source

Investigations of the Atomization Characteristics and Mechanisms of Liquid Jets in Supersonic Crossflow

Aerospace, 2023
In the combustion chamber of scramjets, fuel jets interact with supersonic airflow in the form of a liquid jet in crossflow (LJIC). It is difficult to achieve adequate jet–crossflow mixing and the efficient combustion of fuel in an instant.
Donglong Zhou, Jianlong Chang, Huawei Shan   +2 more
doaj   +1 more source