Results 11 to 20 of about 2,642 (215)

Review on Recent Advances in Pulse Detonation Engines

Journal of Combustion, 2016
Pulse detonation engines (PDEs) are new exciting propulsion technologies for future propulsion applications. The operating cycles of PDE consist of fuel-air mixture, combustion, blowdown, and purging.
K. M. Pandey, Pinku Debnath
doaj   +1 more source

Calculating detonation performance of explosives by VLWR thermodynamics code introduced with universal VINET equation of state

Defence Technology, 2022
Thermodynamic calculation is the theoretical basis for the study of initiation and detonation, as well as the prerequisite for forecasting the detonation performance of unknown explosives.
Qin Liu, Ying-liang Duan, Wei Cao, Hong-hao Ma, Xin-ping Long, Yong Han   +5 more
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Comparative performance analysis of combined-cycle pulse detonation turbofan engines (PDTEs)

Propulsion and Power Research, 2013
Combined-cycle pulse detonation engines are promising contenders for hypersonic propulsion systems. In the present study, design and propulsive performance analysis of combined-cycle pulse detonation turbofan engines (PDTEs) is presented.
Sudip Bhattrai, Hao Tang
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Effects of Diverging Nozzle Downstream on Flow Field Parameters of Rotating Detonation Combustor

Applied Sciences, 2019
In this study, three-dimensional numerical studies have been performed to investigate the performance of a rotating detonation combustor with a diverging nozzle downstream.
Chengwen Sun, Hongtao Zheng, Zhiming Li, Ningbo Zhao, Lei Qi, Hongbo Guo   +5 more
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Experimental Investigation on Two-Phase Rotating Detonation Fueled by Kerosene in a Hollow Directed Combustor

Frontiers in Energy Research, 2022
The operating characteristic of two-phase rotating detonation fueled by kerosene in a hollow combustor with the isolation section is experimentally studied. When the air mass flow rate is 1.5 kg/s, the equivalence ratio is 0.98, and the total temperature
Sainan Xue, Zhuojun Ying, Hu Ma, Changsheng Zhou   +3 more
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Evaluation of detonation performance of explosives ICM-101, ONC, and TNAZ based on improved VHL equation of state

Defence Technology
Detonation performance is crucial for evaluating the power of high explosives (HEs), and the equation of state (EOS) that accurately describes the high-temperature, high-pressure, and high-temperature, medium-pressure states of detonation products is key
Yong Han, Qin Liu, Yingliang Duan, Yaqi Zhao, Xinping Long   +4 more
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Experimental validation of rotating detonation for rocket propulsion

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
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Numerical Investigation of the Effect of Equivalent Ratio on Detonation Characteristics and Performance of CH₄/O₂ Rotating Detonation Rocket Engine

Aerospace
Equivalent ratio (ER) is an important factor affecting detonation characteristics and propulsion performance of rotating detonation rocket engine (RDRE).
Xiao Xu, Qixiang Han, Yining Zhang
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Effect of hydrogen-storage pressure on the detonation characteristics of emulsion explosives sensitized by glass microballoons

Defence Technology, 2022
In this study, hydrogen-storage glass microballoons were introduced into emulsion explosives to improve the detonation performance of the explosives. The effect of hydrogen-storage pressure on the detonation characteristics of emulsion explosives was ...
Ji-ping Chen, Hong-hao Ma, Yi-xin Wang, Liang-liang Huang, Zhao-wu Shen   +4 more
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Tri-explosophoric groups driven fused energetic heterocycles featuring superior energetic and safety performances outperforms HMX

Nature Communications, 2022
The design of high energy density materials (HEDM) with good detonation performance but which are also safe to handle is challenging. Here, the authors synthesize a PTX analogue and incorporate explosophoric groups to obtain an HEDM with improved ...
Jie Li, Yubing Liu, Wenqi Ma, Teng Fei, Chunlin He, Siping Pang   +5 more
doaj   +1 more source