Modern turboprop engines |
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| Institution: | 1. Carleton University, Ottawa, Canada;2. GasTOPS Ltd., Ottawa, Canada;1. Aerodynamic, Heat Transfer & Propulsion Group, Department of Aerospace Engineering, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia;2. Aerospace Malaysia Research Center, Faculty of Engineering, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia;3. Chemical Engineering, University of Newcastle, Callaghan, NSW, 2308, Australia;4. Aviation Australia, Brisbane, QLD, 4008, Australia;1. Chalmers University of Technology, Department of Mechanics and Maritime Sciences, Gothenburg, SE-41296, Sweden;2. GKN Aerospace Sweden, Trollhättan, SE-46181, Sweden;3. GKN Aerospace Sweden & Chalmers University of Technology, Trollhättan, SE-46181, Sweden |
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| Abstract: | The turboprop engine has played a major role in short haul commuter aircraft and military transport and patrol aircraft where speed is not critical. In recent years NASA have proposed the application of turboprops, coupled to advanced propellers usually referred to as ‘propfans’, at conventional turbofan speeds. The achievement of this goal would provide significant savings in fuel without sacrifice of flight speed. The paper reviews the past history and current state of development of modern turboprops, noting that there has been very little recent development of high power units. Current trends suggest a shift from the NASA goal away from turboprops to a new breed of engine using the generic name Ultra High Bypass systems. Although the future of the turboprop for high speed transportation may appear dubious, there is no doubt that the turboprop is going to continue to play an increasingly important role in the short haul commuter aircraft market. |
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