Results 31 to 40 of about 722,005 (275)

A Characterized Status Report on Pulse Detonation Engine [PDF]

INCAS Bulletin, 2019
Pulse Detonation Engine (PDE), is an exciting propulsion technology for the future and has been able to seek considerable attention over the last era. It has the potential to work efficiently in the modern cosmos.
Bharat Ankur DOGRA, Mehakveer SINGH, T. K. JINDAL   +2 more
doaj   +1 more source

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

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

Scaling relationships governing the thermomechanical response of rotating detonation engine combustor liners

Materials & Design
The recent maturation of rotating detonation engine combustion science and engineering has positioned this technology to disrupt the space economy, among other industries. Rotating detonation engines offer enhanced performance and cost reductions through
Nathaniel J. Dudko, Matthew R. Begley, Xian Shi, Natasha Vermaak   +3 more
doaj   +1 more source

Effect of Combustor Outlet Geometry on Operating Characteristics of Disk-Shaped Rotating Detonation Engine

Aerospace, 2023
A disk-shaped rotating detonation engine with H2/air mixture was tested to identify the impact of combustor outlet geometry on the engine’s operating characteristics.
Zhenjuan Xia, Hu Ma, Gaoyang Ge, Yong He, Changsheng Zhou   +4 more
doaj   +1 more source

A computer-based tool for preliminary design and performance assessment of Continuous Detonation Wave Engines [PDF]

, 2013
For preliminary design and performance assessment of Continuous Detonation Wave Engine (CDWE), a computer-based tool has been developed which considers an ideal and simplified model of a CDWE in combination with a diverging nozzle.
Cervone, Angelo, Doekhie, Sandra, Dumont, Etienne, Noomen, Ron   +3 more
core  

2D Skeletal Muscle Thin Film Actuators Enhance Efficiency of Biohybrid Robots

Advanced Functional Materials, EarlyView.
2D skeletal muscle thin film actuators generate millinewton‐scale forces and millimeter‐scale strokes while remaining functional for over 30 days. Their force density is 20‐fold higher than 3D skeletal muscle actuators, enabling multi‐fin robots with tunable speed and multidirectional steering.
Maheera Bawa, Arielle Berman, Laura Schwendeman, Ferdows Afghah, Seanbiron Johnson, Ritu Raman   +5 more
wiley   +1 more source

The role of isolators in two-phase kerosene/air rotating detonation engines

Defence Technology
In this study, the three-dimensional non-premixed two-phase kerosene/air rotating detonation engines with different isolator configurations and throat area ratios are simulated by the Eulerian-Lagrangian method.
Wenbo Cao, Fang Wang, Chunsheng Weng, Huangwei Zhang   +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

Advances in Solution‐Processed Textile Triboelectric Nanogenerators: Ink Formation, Processing Strategies, Applications, and Challenges

Advanced Functional Materials, EarlyView.
Advanced ink systems for solution‐processed textile triboelectric nanogenerators are systematically summarized, spanning conductive, tribo‐negative, and tribo‐positive layers. By connecting ink chemistry, deposition methods, and device function, the present review reveals the key governing principles of solution development and highlights practical ...
Xinlong Sun, Stephen Beeby
wiley   +1 more source