Results 1 to 10 of about 1,923 (153)

Experimental validation of rotating detonation for rocket propulsion. [PDF]

Sci Rep, 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
Bennewitz JW, Burr JR, Bigler BR, Burke RF, Lemcherfi A, Mundt T, Rezzag T, Plaehn EW, Sosa J, Walters IV, Schumaker SA, Ahmed KA, Slabaugh CD, Knowlen C, Hargus WA.   +14 more
europepmc   +2 more sources

Scale effects on rotating detonation rocket engine operation

Applications in Energy and Combustion Science
Rotating detonation rocket engines are propulsive devices employing detonation waves moving circumferentially around an annular channel that consume axially fed propellants.
Tyler Mundt, Carl Knowlen, Mitsuru Kurosaka   +2 more
doaj   +2 more sources

Rotating detonation combustors for propulsion: Some fundamental, numerical and experimental aspects

Frontiers in Aerospace Engineering, 2023
Propulsion systems based on the constant-pressure combustion process have reached maturity in terms of performance, which is close to its theoretical limit. Technological breakthroughs are needed to develop more efficient transportation systems that meet
Bruno Le Naour, Dmitry Davidenko, Thomas Gaillard, Pierre Vidal   +3 more
doaj   +1 more source

Performance of a Rotating Detonation Rocket Engine with Various Convergent Nozzles and Chamber Lengths

Energies, 2021
A rotating detonation rocket engine (RDRE) with various convergent nozzles and chamber lengths is investigated. Three hundred hot-fire tests are performed using methane and oxygen ranging from equivalence ratio equaling 0.5–2.5 and total propellant flow ...
John W. Bennewitz, Blaine R. Bigler, Mathias C. Ross, Stephen A. Danczyk, William A. Hargus, Richard D. Smith   +5 more
doaj   +1 more source

Descending Modal Transition Dynamics in a Large Eddy Simulation of a Rotating Detonation Rocket Engine

Energies, 2021
Rotating detonation rocket engines (RDREs) exhibit various unsteady phenomena, including modal transitions, that significantly affect their operation, performance and stability.
Armani Batista, Mathias C. Ross, Christopher Lietz, William A. Hargus   +3 more
doaj   +1 more source

A review and scientometric analysis of rotary detonation engine [PDF]

علوم، فناوری و کاربردهای فضایی
The use of explosion instead of combustion can lead to a significant reduction in the dimensions and mass of the propulsion chamber. Explosion releases significantly more energy compared to combustion, which causes more effective thrust and can create a ...
farhad kiani falavarjani
doaj   +1 more source

Rotating Detonation Engine Performance Model for Rocket Applications

Journal of Spacecraft and Rockets, 2019
A simplified theoretical treatment of rotating detonation engine (RDE) performance is developed for rocket applications with traceability to current combustion technology.
David P. Stechmann, Stephen D. Heister, Alexis J. Harroun   +2 more
openaire   +1 more source

Rotating Detonation Rocket Engine Operability Under Varied Pressure Drop Injection

Journal of Spacecraft and Rockets, 2021
Rotating detonation rocket engine (RDRE) experiments have so far been limited to injectors with high pressure drop to limit injector–plenum coupling.
Blaine R. Bigler, John W. Bennewitz, Stephen A. Danczyk, William A. Hargus   +3 more
openaire   +1 more source

Experimental Investigation of Rotating Detonation Rocket Engines for Space Propulsion

Journal of Propulsion and Power, 2021
The performance (specific impulse, Isp) of a modular, 150-lbf-class rotating detonation rocket engine (RDRE) was measured with three gaseous fuels (methane, ethane, and ethylene) and gaseous oxygen...
Richard D. Smith, Steven B. Stanley
openaire   +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