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2009•Journal of Projectiles.Rockets.Missiles and GuidanceRequires access

The Influence of Cycle Parameters on Inter-turbine Burner Turbofan Engine Performance

Song Di-yuan

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Abstract

A performance simulation program for inter-turbine burner(ITB) turbofan engine was made with the variable specific heat components method,the influence of cycle parameters such as fan pressure ratio,compressor pressure ratio,bypass ratio,turbine inlet temperature on engine performance was analyzed comparatively.The result shows that the specific thrust performance of ITB engine is better;the specific fuel consumption curve is toning down with the varied cycle parameters mentioned above,the range which cycle parameters can be selected is wider than that of conventional engine.

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What this paper is about

A performance simulation program for inter-turbine burner(ITB) turbofan engine was made with the variable specific heat components method,the influence of cycle parameters such as fan pressure ratio,compressor pressure ratio,bypass ratio,turbine inlet temperature on engine performance was analyzed comparatively.The result shows that the specific thrust performance of ITB engine is better;the specific fuel consumption curve is toning down with the varied cycle parameters mentioned above,the range which cycle parameters can be selected is wider than that of conventional engine.

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Available abstract

A performance simulation program for inter-turbine burner(ITB) turbofan engine was made with the variable specific heat components method,the influence of cycle parameters such as fan pressure ratio,compressor pressure ratio,bypass ratio,turbine inlet temperature on engine performance was analyzed comparatively.The result shows that the specific thrust performance of ITB engine is better;the specific fuel consumption curve is toning down with the varied cycle parameters mentioned above,the range which cycle parameters can be selected is wider than that of conventional engine.

Key concepts: Turbofan, Thrust specific fuel consumption, Combustor, Turbine, Integrated engine pressure ratio, Overall pressure ratio, Gas compressor, Fuel efficiency

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