Results 61 to 70 of about 16,840 (258)

Atomization of Gel Fuels with Solid Particle Addition Utilizing an Air Atomizing Nozzle

Energies, 2018
Microscopic high-speed imaging is used to experimentally measure the velocity and size of droplets of gelled RP-1 based fuels with a solid particle additive. The gels are atomized using an air atomizing nozzle.
Yunlei Xiao, Zhixun Xia, Liya Huang, Likun Ma, Dali Yang   +4 more
doaj   +1 more source

Effect of Bluff Body Attributes on Afterburner Combustion Characteristics of a Boron Solid Rocket Scramjet

International Journal of Aerospace Engineering, Volume 2024, Issue 1, 2024.
In order to improve the combustion efficiency of boron‐containing primary gas in the secondary combustion chamber of a solid rocket scramjet and improve engine performance, the effects of different types of blunt bodies, number of rear blunt bodies, and distance between front and rear blunt bodies on the combustion performance of the secondary ...
Jiang Ling, Chaoqi Xu, Yihua Xu, Haijun Sun, Jiaqiang E.   +4 more
wiley   +1 more source

Machine Learning‐Based Backpressure Unstart Prediction and Warning Method for Combined Cycle Engine Hypersonic Inlet‐Oriented Wide Speed Range

International Journal of Aerospace Engineering, Volume 2024, Issue 1, 2024.
Inlet unstart prediction and warning are strictly crucial to the operation of hypersonic engines, especially for combined cycle engines where implementation across a wide speed range poses significant challenges. This paper proposes a realization method that involves constructing the conditions of critical backpressure ratios for the inlet unstart and ...
Ke Min, Tanbao Hong, Zejun Cai, Lianchen Yu, Chengxiang Zhu, Jianping Zeng, Gautam Choubey   +6 more
wiley   +1 more source

An Experimental Investigation of Low-Frequency Active Excitation in Scramjet Combustor Using a Micro-Pulse Detonation Engine

Aerospace
A 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, Min-Su Kim, Jeong-Yeol Choi, Kenneth H. Yu   +3 more
doaj   +1 more source

Flow and Heat Transfer Characteristics of Supercritical N-Decane in Adjacent Cooling Channels with Opposite Flow Directions

Energies, 2021
To ensure the safety of a scramjet, an arrangement scheme of adjacent regenerative cooling channels with opposite flow directions is adopted to decrease the maximum wall temperature.
Dongpeng Jia, Ning Wang, Yu Pan, Chaoyang Liu, Shiwei Wang, Kai Yang, Jian Liu   +6 more
doaj   +1 more source

Effects of Annular Combustor Width on the Ethylene-Air Continuous Rotating Detonation

International Journal of Aerospace Engineering, 2020
The realization and stable operation of Continuous Rotating Detonation (CRD) in the annular combustor fueled by hydrocarbon-air are still challenging.
Weijie Fan, Shijie Liu, Jin Zhou, Haoyang Peng, Siyuan Huang   +4 more
doaj   +1 more source

Influence of Geometric Parameters on Intake Performance of 3D Ramp‐Type Scramjet Inlet

International Journal of Aerospace Engineering, Volume 2024, Issue 1, 2024.
The methods based on the assumption of inviscid flow are typically used for the initial design of the scramjet inlet geometry, but the presence of a viscous boundary layer can degrade the validity of the results and lead to nonoptimal operation. This study explored the design space of three‐dimensional ramp‐type scramjet inlet geometry and investigated
Sunoh Kang, Sung Ha Kwon, Donghun Park, Dakun Sun   +3 more
wiley   +1 more source

Analysis of combustion modes in a cavity based scramjet

Combustion and Flame, 2020
Large eddy simulations (LES) of non reactive and reactive flows in a cavity-based scramjet combustor configuration from the U.S Air Force Research Laboratory (AFRL) are performed.
J. Ruan, P. Domingo, G. Ribert
semanticscholar   +1 more source

Thrust performance of the rocket-based combined-cycle engine under ejector mode

AIP Advances, 2023
The Rocket-Based Combined-Cycle (RBCC) engine integrates the preponderance of ramjet and rocket engines. It can perform excellently at a lower Mach number than a ramjet while consuming less fuel than the rocket.
Yizhi Yao, Rui Gu, Mingbo Sun, Peibo Li, Yuhui Huang, Bin An, Jiaoru Wang, Menglei Li, Taiyu Wang, Jikai Chen   +9 more
doaj   +1 more source

Study on the Effect of Air Throttling on Flame Stabilization of an Ethylene Fueled Scramjet Combustor

International Journal of Aerospace Engineering, 2015
The effect of air throttling on flame stabilization of an ethylene fueled scramjet combustor was investigated by numerical simulation and experiments in this paper.
Ye Tian, Shunhua Yang, Jialing Le
doaj   +1 more source