Tradeoff of Airframe Noise and Field Length in Conceptual Design of Airliner

Abstract:

The purpose of this paper is to present a tradeoff study of airframe noise and field length due to wing area and flap setting configuration during conceptual design. The aircraft takeoff and landing length is predicted by the Matlab synthesis code for airliner conceptual design. The NASA’s Aircraft Noise Prediction Program (ANOPP) is used to evaluate the airframe noise signature. It is found that: (1) with the increase in wing area both the landing and takeoff field length will be reduced, and approach noise decreases whereas the takeoff noise increases; (2) with the increase in flap setting from 50 to 200, both landing and takeoff field length reduces but the noise level increases during takeoff and decreases during the approach. The results can help designers to select suitable values of wing area and flap setting to meet both the requirements of field length and noise levels.

• Periodical: Applied Mechanics and Materials (Volumes 295-298)
• Pages: 2026-2029
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.295-298.2026
• Online since: February 2013
• Authors: Manandhar Ashish, Shuai Zhang, Xiong Qing Yu
• Keywords: Airliner, Conceptual Design, Field Length, Noise

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