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Digital Controls for Helicopter Engines [PDF]
Volume 1B: General, 1980 The paper describes a digital electronic engine control system being built by Dowty and Smiths Industries Controls Limited (DSIC) to demonstrate the control features required for the next generation of helicopters and their power plants. It is engine mounted, fuel cooled and of lightweight design.
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Performance assessment of simple and modified cycle turboshaft gas turbines
Propulsion and Power Research, 2013 This paper focuses on investigations encompassing comparative assessment of gas turbine cycle options. More specifically, investigation was carried out of technical performance of turboshaft engine cycles based on existing simple cycle (SC) and its ...
Barinyima Nkoi +2 more
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The effect of heat recovery on the optimal values of helicopter turboshaft engine parameters
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2020 Recent studies related to fuel economy in air transport conducted in our country and abroad show that the use of recuperative heat exchangers in aviation gas turbine engines can significantly, by up to 20...30%, reduce fuel consumption.
H. H. Omar +3 more
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Sand Ingestion Behavior of Helicopter Engines During Hover in Ground Effect
AerospaceSand ingestion exerts significant effects on the performance of helicopter engines, and it is imperative to investigate this phenomenon. In this study, the mechanisms of engine sand ingestion during helicopter hover in ground effect are analyzed. Firstly,
Qiang Li +3 more
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IEEE Access, 2019 In order to solve the problem of insufficient power supply for helicopter and to increase the response speed of engine output power during the climbing process, the research on acceleration optimization control for the integrated helicopter/engine system
Yong Wang +3 more
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Variable-speed rotor helicopters: Performance comparison between continuously variable and fixed-ratio transmissions [PDF]
, 2016 Variable speed rotor studies represent a promising research field for rotorcraft performance improvement and fuel consumption reduction. The problems related to employing a main rotor variable speed are numerous and require an interdisciplinary approach.
Benini, Ernesto +1 more
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Analysis influence of engine’s dynamic characteristics on helicopter’s flight quality
Xibei Gongye Daxue XuebaoThis 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 helicopter ...
WEI Yuan, CHEN Renliang
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Journal of Low Frequency Noise, Vibration and Active Control, 2018 In order to achieve the fast response of turboshaft engine combined with torsional vibration, a predictive controller of helicopter/engine based on the least mean square adaptive torsional vibration suppression is proposed and designed.
Yong Wang +3 more
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Performance of small-scale aero-derivative industrial gas turbines derived from helicopter engines
Propulsion and Power Research, 2013 This paper considers comparative assessment of simple and advanced cycle small-scale aero-derivative industrial gas turbines derived from helicopter engines.
Barinyima Nkoi +2 more
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Hangkong gongcheng jinzhanDuring the flight test of a certain type of helicopter, there was an abnormal parking fault of the left engine in the air. The pilot landed safely according to the special situation handling method, ensuring the safety of the aircraft.
LIU Haoyang +4 more
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