Results 41 to 50 of about 1,472 (179)

On the Potentials of the Integration of Pressure Gain Combustion with a Hybrid Electric Propulsion System

Aerospace, 2023
As the issue of pollutant emissions from aviation propulsion escalates, research into alternative powertrains is gaining momentum. Two promising technologies are the Hybrid Electric Propulsion System (HEPS) and Pressure Gain Combustion (PGC).
Dongsuk Kim, Majid Asli, Klaus Höschler
doaj   +1 more source

Comprehensive Performance Analysis for the Rotating Detonation-Based Turboshaft Engine

International Journal of Aerospace Engineering, 2020
The potential advantages of rotating detonation combustion are gradually approved, and it is becoming a stable and controllable energy conversion way adopted to the propulsion devices or ground-engines. This study focuses on the rotating detonation-based
Zifei Ji, Ruize Duan, Renshuai Zhang, Huiqiang Zhang, Bing Wang   +4 more
doaj   +1 more source

Effects of LOX Particle Diameter on Combustion Characteristics of a Gas‐Liquid Pintle Rocket Engine

International Journal of Aerospace Engineering, Volume 2020, Issue 1, 2020., 2020
LOX/GCH4 pintle injector is suitable for variable‐thrust liquid rocket engines. In order to provide a reference for the later design and experiments, three‐dimensional numerical simulations with the Euler‐Lagrange method were performed to study the effect of the initial particle diameter on the combustion characteristics of a LOX/GCH4 pintle rocket ...
Xuan Jin, Chibing Shen, Rui Zhou, Xinxin Fang, Jing-Lei Xu   +4 more
wiley   +1 more source

Numerical Investigation of Mixing Characteristic for CH₄/Air in Rotating Detonation Combustor

Applied Sciences, 2020
The mixing process of fuel and oxidizer is a very critical factor affecting the real operating performance of non-premixed rotating detonation combustor.
Shan Jin, Qingyang Meng, Zhiming Li, Ningbo Zhao, Hongtao Zheng, Jialong Yang   +5 more
doaj   +1 more source

Flame Instability and Transition to Detonation in Supersonic Reactive Flows

, 2017
Multidimensional numerical simulations of a homogeneous, chemically reactive gas were used to study ignition, flame stability, and deflagration-to-detonation transition (DDT) in a supersonic combustor.
Center, Dyer R., Kaplan C. R., Taylor G., Xiao H.   +4 more
core   +1 more source

Aeroelastic assessment of a highly loaded high pressure compressor exposed to pressure gain combustion disturbances [PDF]

, 2018
A numerical aeroelastic assessment of a highly loaded high pressure compressor exposed to flow disturbances is presented in this paper. The disturbances originate from novel, inherently unsteady, pressure gain combustion processes, such as pulse ...
Bicalho Civinelli de Almeida, Victor, Peitsch, Dieter   +1 more
core   +1 more source

A Review of Wave Rotor Technology and Its Applications [PDF]

, 2006
The objective of this paper is to provide a succinct review of past and current research in developing wave rotor technology. This technology has shown unique capabilities to enhance the performance and operating characteristics of a variety of engines ...
Akbari, Pezhman, Mueller, Norbert, Nalim, M. Razi   +2 more
core   +1 more source

Experimental study on effects of nozzles and combustors on the rotating detonation rocket engine in pulse operation

Results in Engineering
The rotating detonation engine (RDE) is an innovative pressure-gain combustion device that harnesses detonation waves for efficient fuel combustion.
Guining Liu, Zixuan Wang, Yingying Ruan, Zewen Zhong, Rui Wang, Shengbing Zhou, Ning Hu   +6 more
doaj   +1 more source

Large Eddy Simulation of Combustion for High-Speed Airbreathing Engines

Aerospace, 2022
Large Eddy Simulation (LES) has rapidly developed into a powerful computational methodology for fluid dynamic studies, between Reynolds-Averaged Navier–Stokes (RANS) and Direct Numerical Simulation (DNS) in both accuracy and cost.
Christer Fureby, Guillaume Sahut, Alessandro Ercole, Thommie Nilsson   +3 more
doaj   +1 more source

An insight into some innovative cycles for aircraft propulsion [PDF]

, 2008
Emissions are important drivers in the design and use of aero-engines. This paper presents a part of the work carried out in the VITAL (EnVIronmenTALly aero-engine) project; it consists of a parameter study on the application of three innovative ...
Cohen H., Ferguson C., Hill P. G., Kays W. M., Lefebvre A. H., Sawyer W. J., Walsh P. P.   +6 more
core   +2 more sources