Zobrazeno 1 - 9
of 9
pro vyhledávání: '"发动机"'
Autor:
WEI Yuan, CHEN Renliang
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 5, Pp 838-846 (2024)
This article analyses the influence of an engine’s dynamic characteristics on a helicopter’s flight quality during hover/low speed forward flight. Firstly, based on the power matching relationship between the engine and the helicopter, a helicopt
Externí odkaz:
https://doaj.org/article/bfd456ecabfd4fd0b2f1bb2099650e43
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 5, Pp 847-856 (2024)
Turbofan engines are widely used in military and civilian aviation fields due to their high propulsion efficiency and low fuel consumption rate, and their performance directly affects the safety and stability of flight mission. It is of great practic
Externí odkaz:
https://doaj.org/article/e58545696812489bbfe9ba549a2f0b90
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 42, Iss 1, Pp 149-156 (2024)
The performance model was established to study the performance of mixed exhaust turbofan engine with pulse detonation combustor (PDC) in the bypass duct. The effects of the total pressure loss of isolator and bypass circulation parameters on the char
Externí odkaz:
https://doaj.org/article/fa1ea69c97104890b194ccd67bb266e4
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 2, Pp 363-369 (2023)
The intake distortion experiment is one of the important methods for aero-engine aerodynamic stability assessment. In this paper, in order to overcome the shortcomings of traditional design methods such as low accuracy in approximating the target dis
Externí odkaz:
https://doaj.org/article/be567d67877b43bb9439b8f27e64c65f
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 2, Pp 310-318 (2023)
Water ramjet is the most ideal power propulsion device for high-speed underwater weapons. However, failure to start it at low-speed makes it hard for the engine to be widely used. In order to solve the problem of starting water ramjet at low-speed, a
Externí odkaz:
https://doaj.org/article/ef7682c848954c1fbd159af4712f44d3
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 40, Iss 5, Pp 1155-1163 (2022)
对涡轴发动机压气机叶片附着物进行分析, 根据附着物特征研究了针对性的清洗介质并进行了实验验证, 为压气机性能恢复奠定了基础。采用扫描电子显微镜、热重分析、红外光谱等方法对压
Externí odkaz:
https://doaj.org/article/2491ba2a97aa46698351280a2b65f572
Publikováno v:
Fenmo yejin jishu, Vol 40, Iss 1, Pp 80-85 (2022)
通过固体火箭发动机地面热试车实验获得烧蚀后的钼镧喷管试样，对比分析了烧蚀前后试样的金相组织，在常温和1000 ℃条件下进行了钼镧材料的力学性能实验。结果表明：对于工作时间2.1 s
Externí odkaz:
https://doaj.org/article/481da7b4b31346f38b1454a9776395dc
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