Results 41 to 50 of about 231,983 (247)

Effects of total pressures and equivalence ratios on kerosene/air rotating detonation engines using a paralleling CE/SE method

Defence Technology, 2021
In this paper, the kerosene/air rotating detonation engines(RDE) are numerically investigated, and the emphasis is laid on the effects of total pressures and equivalence ratios on the operation characteristics of RDE including the initiation ...
Fang Wang, Chun-sheng Weng, Yu-wen Wu, Qiao-dong Bai, Quan Zheng, Han Xu   +5 more
doaj   +1 more source

Design and Development of Cooling Solutions for Rotating Detonation Engines

, 2022
One of the main challenges associated with the development of Rotating Detonation Combustion Engines (RDE) is dissipating the tremendous amount of heat generated by the high-frequency rotating detonation waves.
U. Sandri, S S. Ramanagar, L. Mazzei, A. Picchi, A. Andreini   +4 more
core   +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

Influences of thermal physical property parameters on operating characteristics of simulated rotating detonation ramjet fueled by C12H23

AIP Advances, 2022
Two-phase rotating detonation ramjets are considered to be suitable for aerospace applications due to their high thermodynamic cycle efficiency. These engines have an extremely complex internal flow field, in which the liquid fuel undergoes physical and ...
Chenglong Yan, Chen Shu, Jiafeng Zhao, Lingyu Su, Yiheng Tong, Qiaofeng Xie, Wei Lin   +6 more
doaj   +1 more source

Investigation on C2H4-Air combustion mode in a non-premixed rotating detonation combustor

Propulsion and Power Research, 2022
Based on the working characteristics of the rotating detonation combustor, the combustion mode of C2H4-Air under non-premixed injection conditions is experimentally studied in this paper.
Shengbing Zhou, Hu Ma, Yuan Ma, Changsheng Zhou, Ning Hu   +4 more
doaj   +1 more source

Deflagration-to-Detonation Transition in a Semi-Confined Slit Combustor Filled with Nitrogen Diluted Ethylene-Oxygen Mixture

Energies, 2023
The conditions for the mild initiation of the detonation of homogeneous stoichiometric ethylene-oxygen mixtures diluted with nitrogen up to ~40%vol.
Igor O. Shamshin, Vladislav S. Ivanov, Viktor S. Aksenov, Pavel A. Gusev, Sergey M. Frolov   +4 more
doaj   +1 more source

Experimental Investigation of a Cylindrical Air-Breathing Continuous Rotating Detonation Engine with Different Nozzle Throat Diameters

Aerospace, 2022
A continuous detonation engine with various exhaust nozzles, analogous to typical scramjet cavity combustors with variable rear-wall heights, was adopted to perform a succession of cylindrical air-breathing continuous rotating detonation experiments ...
Guangyu Wang, Shijie Liu, Haoyang Peng, Weidong Liu   +3 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  

Leveraging Symbolic Artificial Intelligence and Fuzzy Logic for Materials Science: A Review of Methods, Challenges, and Applications to Scarce and Imperfect Experimental Data

Advanced Engineering Materials, EarlyView.
This article explores the transformative potential of symbolic artificial intelligence (AI) in the field of materials science, particularly in leveraging experimental data. The article presents several symbolic AI models and discusses their applications in materials science.
Ahmed Amrani, Mohamed‐Ali Belloum, Laurence Boudet, Valentin Fouillard, Edwin Friedmann, Guillaume Lacharme, Ali Mahmoud, Jean‐Philippe Poli   +7 more
wiley   +1 more source

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