A study was conducted to determine the suitability of an advanced technology Regenerated Intercooled Turbine Engine (RITE) for aircraft propulsion. A cycle performance analysis was conducted for a 250 shp, 25000 ft cruise turboprop engine for a pressurized twin engine six-place turboprop aircraft. The RITE engine cycle consists of a two-stage compressor with a rotary intercooler, gas generator turbine driving the compressors, a combustor, rotary regenerator, and power turbine. Cycles were analyzed over a range of design-point pressure ratios and heat exchanger sizes at a turbine inlet temperature of 2500 F. An aircraft and its flight characteristics were defined to evaluate candidate engines on the basis of prescribed mission fuel consumption. After preliminary design selection, a life cycle cost analysis was performed in which the reference engine was compared to a conventional turboprop engine. The selected engine design achieves a cruise specific fuel consumption of 0.252 lb/hp-hr which is about half that of a conventional engine with the same power rating. The predicted life cycle cost of the engine is lower without an intercooler, due to marginal improvement in cycle efficiency contributed by intercooling.


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    Titel :

    Regenerative intercooled turbine engine (RITE) study


    Weitere Titelangaben:

    Regeneratives Turbotriebwerk mit Zwischenkuehlung (RITE) Studie


    Beteiligte:
    Mock, E.A. (Autor:in) / Caldwell, R.T. (Autor:in) / Boyd, K.E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1984


    Format / Umfang :

    10 Seiten, 13 Bilder, 7 Tabellen, 4 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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