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The application of gas turbine engines in helicopters is discussed. The work-ings of turboshafts and the history of their use in helicopters is brie y described. Ideal cycle analyses of the Boeing 502-14 and of the General Electric T64 turboshaft engine are performed.
Comparison of Helicopter Turboshaft Engines. Although they garnish less attention than their flashy jet cousins, turboshaft engines hold a specialized niche in the aviation industry. Built to be compact, efficient, and powerful, turboshafts have made modern helicopters and the feats they accomplish possible.
An off-design steady state model of a generic turboshaft engine has been implemented to assess the influence of variable free power turbine (FPT) rotational speed on overall engine performance, with particular emphasis on helicopter applications.
Download scientific diagram | Schematics of different turboshaft arrangements. [11] from publication: Power Sources of Military Helicopters | In the early 1940s the first practically usable...
The T700-GF_,-700 is a turboshaft engine used in pairs in the Army's Apache and Blackhawk helicopters. This 1600 horsepower-class, modular, two-spool engine (figure 1) consists of a gas generator section and a free power turbine
Turboshaft engines are commonly used in applications that require a sustained high power output, high reliability, small size, and light weight. In aviation, these include helicopters and auxiliary power units (APUs). Basic arrangements are similar to turboprops except the drive systems are more elaborate.
This paper implements energy analyses and weight penalty estimations to a waste heat recovery module of the turboshaft engine.
