Parameterization investigation method for nacelle aerodynamic performance

WEI Yongbin; DUAN Zhuoyi; GUO Zhaodian; YANG Chengfeng

doi:10.7527/S1000-6893.2022.26742

ACTA AERONAUTICAET ASTRONAUTICA SINICA >

2022 , Vol. 43 >Issue 11: 526742 - 526742

DOI: https://doi.org/10.7527/S1000-6893.2022.26742

Articles

Parameterization investigation method for nacelle aerodynamic performance

WEI Yongbin ,
DUAN Zhuoyi ,
GUO Zhaodian ,
YANG Chengfeng

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AVIC The First Aircraft Institute, Xi'an 710089, China

Received date: 2021-12-03

Revised date: 2021-12-16

Online published: 2022-01-26

Supported by

Foundation of Research on Flight and Verification Technology of Laminar Flow Wing

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Abstract

A parameterization investigation method for nacelle aerodynamic performance is presented, mainly including five parameters:total pressure recovery coefficient,static distortion index, drag coefficient, pressure coefficient, and flow coefficient. Two elements influencing the nacelle aerodynamic performance are dominantly investigated. Comparison of three types of nacelles considering the laminar flow principle reveals that the aerodynamic performance of nacelles with different inlet shapes is nearly the same with no angle of attack, while the comprehensive aerodynamic performance of the nacelle with the ellipse shaped inlet is slightly better than that of the other two with different inlet shapes. The aerodynamic performance of nacelles with different inlet lip leading radii exhibits considerable differences at a high speed with a high angle of attack and sideslip. The comprehensive aerodynamic performance of the nacelles with a large inlet lip leading radius is clearly low, while that of the nacelles at a low speed shows almost no difference.

Key words： parameterization; nacelle; inlet shape; inlet lip leading radius; comprehensive aerodynamic performance

Cite this article

WEI Yongbin , DUAN Zhuoyi , GUO Zhaodian , YANG Chengfeng . Parameterization investigation method for nacelle aerodynamic performance[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022 , 43(11) : 526742 -526742 . DOI: 10.7527/S1000-6893.2022.26742

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