Development of a Broad Delta Airframe and Propulsion Concepts for Reducing Aircraft Noise around Airports

This paper describes the impact of noise on the civil aircraft design process. The challenge to design ‘silent’ aircraft is the development of efficient airframe-engine technologies, for which integration is essential to produce an optimum aircraft, otherwise penalties such as higher fuel consumption, and, or noise are a concern. A description of work completed by Cranfield University will cover design methodologies used for a Broad delta airframe concept, with reference to future studies into alternate concepts. Engine cycle designs for ultra-high bypass ratio, constant volume combustor, and recuperated propulsion cycles are described, with a discussion of integration challenges within the airframe.

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See papers presented at AeroTech Congress & Exhibition, September 2007, Los Angeles, CA, USA, Session: Airplane Design for Environment

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