Results 1 to 10 of about 4,315 (227)

Combustion Characteristics in Rotating Detonation Engines [PDF]

International Journal of Aerospace Engineering, 2021
A lot of studies on rotating detonation engines have been carried out due to the higher thermal efficiency. However, the number, rotating directions, and intensities of rotating detonation waves are changeful when the flow rate, equivalence ratio, inflow
Yuhui Wang, Wenyou Qiao, JialingLe
doaj   +2 more sources

Experimental validation of rotating detonation for rocket propulsion [PDF]

Scientific Reports, 2023
Space travel requires high-powered, efficient rocket propulsion systems for controllable launch vehicles and safe planetary entry. Interplanetary travel will rely on energy-dense propellants to produce thrust via combustion as the heat generation process
John W. Bennewitz, Jason R. Burr, Blaine R. Bigler, Robert F. Burke, Aaron Lemcherfi, Tyler Mundt, Taha Rezzag, Ethan W. Plaehn, Jonathan Sosa, Ian V. Walters, S. Alexander Schumaker, Kareem A. Ahmed, Carson D. Slabaugh, Carl Knowlen, William A. Hargus   +14 more
doaj   +2 more sources

Investigation of the Pressure Gain Characteristics and Cycle Performance in Gas Turbines Based on Interstage Bleeding Rotating Detonation Combustion [PDF]

Entropy, 2019
To further improve the cycle performance of gas turbines, a gas turbine cycle model based on interstage bleeding rotating detonation combustion was established using methane as fuel.
Lei Qi, Zhitao Wang, Ningbo Zhao, Yongqiang Dai, Hongtao Zheng, Qingyang Meng   +5 more
doaj   +2 more sources

Rotating Detonation Combustion for Advanced Liquid Propellant Space Engines

Aerospace, 2022
Rotating (also termed continuous spin) detonation technology is gaining interest in the global research and development community due to the potential for increased performance.
Stephen D. Heister, John Smallwood, Alexis Harroun, Kevin Dille, Ariana Martinez, Nathan Ballintyn   +5 more
doaj   +2 more sources

Rotating Detonation Combustion Characteristics of Kerosene-Fueled Wide-Area Scramjets

气体物理
Through the method of three-dimensional numerical simulation, the rotating detonation combustion characteristics of kerosene-fueled scramjets in the range of Ma＝3~7 were studied. In the flight condition of Ma=3, due to the poor effect of fuel atomization
Chen SHU, Futao GU, Bin CHEN, Chenglong YAN, Yiheng TONG, Wei LIN   +5 more
doaj   +2 more sources

Experimental Study on the Propagation Characteristics of Rotating Detonation Wave with Liquid Hydrocarbon/High-Enthalpy Air Mixture

Aerospace, 2023
Rotating detonation engines (RDEs) are a promising propulsion technology featuring high thermal efficiency and a simple structure. To adapt the practical engineering applications of ramjet RDEs, rotating detonation combustion using a liquid hydrocarbon ...
Bingyue Jia, Yining Zhang, Hao Meng, Fanxiao Meng, Hu Pan, Yanji Hong   +5 more
doaj   +1 more source

Performance analysis of a rotating detonation model for future thermal power system using hydrogen as fuel

Energy Reports, 2022
The thermodynamic cycles of the detonation combustion could potentially deliver a performance increase of 20% beyond the conventional deflagration combustor such as gas turbines and ramjets, thus the detonative combustor is a prospective technology for ...
Mengmeng Zhao, Linqing Zhang, Weiye Huo, Hongyu Yang, Yixiang Yuan   +4 more
doaj   +1 more source

Effects of Ozone Addition on Multi-Wave Modes of Hydrogen–Air Rotating Detonations

Aerospace, 2023
Ozone addition presents a promising approach for optimizing and regulating both combustion and ignition mechanisms. In Rotating Detonation Engines (RDEs), investigating the impact of ozone addition is particularly important due to the fact of their ...
Yang Wang, Cheng Tian, Pengfei Yang
doaj   +1 more source

Investigation on the generation and propagation mechanism of triple-point structures on rotating detonation front

AIP Advances, 2023
Based on the Navier–Stokes equation with chemical reaction kinetics, rotating detonation waves are numerically simulated using premixed reactants H2/air at a stoichiometric ratio. The triple-point structure on the detonation front is captured.
Pengxin Liu, Hongmin Su, Qilong Guo, Dong Sun, Chen Li   +4 more
doaj   +1 more source

Experimental Investigation of Detonation Propagation Modes and Thrust Performance in a Small Rotating Detonation Engine Using C₂H₄/O₂ Propellant

Energies, 2021
A small rotating detonation engine (RDE) model and the corresponding experimental setup were constructed for the experimental investigation of the detonation propagation characteristics and thrust performance of a circular RDE. Experiments were conducted
Hyung-Seok Han, Eun Sung Lee, Jeong-Yeol Choi   +2 more
doaj   +1 more source