Analysis of installation aerodynamics and comparison of optimised configuration of an ultra-high bypass ratio turbofan nacelle

Andrea Magrini; Denis Buosi; Ernesto Benini

首页> 外文期刊>Aerospace science and technology >Analysis of installation aerodynamics and comparison of optimised configuration of an ultra-high bypass ratio turbofan nacelle

【24h】

Analysis of installation aerodynamics and comparison of optimised configuration of an ultra-high bypass ratio turbofan nacelle

机译：Analysis of installation aerodynamics and comparison of optimised configuration of an ultra-high bypass ratio turbofan nacelle

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相关主题

摘要

The installation aerodynamics of ultra-high bypass ratio turbofan engine nacelles involves a strong interaction with the wing and a complex dependency of the forces from the geometric assembly. In the paper, we present a detailed numerical analysis of the flow field and the propulsive metrics for a baseline and an optimised nacelle model mounted under the NASA Common Research Model wings at cruise condition. The wing/nacelle offset represents the main parameter affecting the resulting performance for a given nacelle shape. An extended range of positions is first examined at constant lift, showing the existence of a local maximum for the net resulting force and a larger sensitivity to the horizontal displacement. The installation effect results much stronger on the inboard side with a relevant coupling caused by potential interaction, flow channelling under the wing, and jet/wing interference. The reference baseline nacelle is compared with a sample optimised for the maximum installed net resulting force, analysing local force distributions bringing the overall improvement. Finally, a newly developed automatic procedure to achieve a zero net resultant in numerical simulations is applied. By using an equivalent shaft power, the optimised nacelle is found to provide a 1.79% saving, estimated to amount to a 0.98% fuel burn reduction in the cruise operating point considered.

著录项

来源
《Aerospace science and technology》 |2022年第9期|107756.1-107756.14|共14页
作者
Andrea Magrini; Denis Buosi; Ernesto Benini;
展开▼
作者单位

Department of Industrial Engineering, University of Padua, via Venezia 1, Padova, 35137, Italy;

Hit09 S.r.l, P.zztta Bettiol 75, Padova, 35137, Italy;

展开▼
收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类
关键词
Ultra-high Bypass Ratio (UHBPR); Installation effect; Propulsion system integration; Nacelle optimisation; Airframe forces; Propulsive performance;

Analysis of installation aerodynamics and comparison of optimised configuration of an ultra-high bypass ratio turbofan nacelle

摘要

著录项

相关主题

期刊订阅