Abstract:

The high bypass-ratio turbofan engines are chosen invariably to provide power and thrust for large passenger aircraft. The vigorous development of the international civil aviation market has promoted the rapid improvement of civil high bypass-ratio turbofan engine technology. As the core component of aero-engines， the high-pressure compressor has the “three highs” characteristics， high efficiency， high pressure ratio， and high mass flow. The American General Electric （GE） Company， Pratt & Whitney （PW） Company and the British Rolls-Royce （RR） Company remain international leading level in the high-pressure compressor design technology. In recent years， research and development concerning civil high bypass-ratio turbofan engine have been carried out based on two National Science and Technology Major Projects， i.e.， the Large Airplane Major Project and the Aircraft Engine and Gas Turbine Major Project. Thus， some progress has been achieved in the area of high-pressure compressor design technology. In this paper， the technical features of the high-pressure compressor of civil high bypass-ratio turbofan engine were analyzed. And then， the research status and development trend of it at home and abroad were reviewed. Finally， the domestic technology difficulties and challenges were pointed out objectively. It is expected that learning from the characteristics of the international advanced design could enlighten the technology development of the high-pressure compressor of civil high bypass-ratio turbofan engine in China.

Key words: turbofan engine, high-pressure compressor, large passenger aircraft, high bypass-ratio, efficiency, pressure ratio