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A simplified model for predicting the propeller-wing interaction

Xianghua Huang (College of Power and Energy, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing, China and Key Laboratory of Aero-engine Thermal Environment and Structure, Ministry of Industry and Information Technology, Nanjing, China)
Xiaochun Zhao (College of Power and Energy, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing, China and Key Laboratory of Aero-engine Thermal Environment and Structure, Ministry of Industry and Information Technology, Nanjing, China)
Jiaqin Huang (College of Power and Energy, Nanjing University of Aeronautics and Astronautics, Nanjing, China, Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing, China and Key Laboratory of Aero-engine Thermal Environment and Structure, Ministry of Industry and Information Technology, Nanjing, China)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 2 January 2018

282

Abstract

Purpose

The traditional numerical methods to predict the interaction between the wing and propeller are too complex and time-consuming for computation to a certain extent. Therefore, they are not applicable for a real-time integrated turboprop aircraft model. This paper aims to present a simplified model capable of high-precision and real-time computing.

Design/methodology/approach

A wing model based on the lifting line theory coupled with a propeller model based on the strip theory is used to predict the propeller-wing interaction. To meet the requirement of real-time computing, a novel decoupling parameter is presented to replace lifting line model (LLM) applied for wings with a simplified fitting model (FM).

Findings

The comparison between the LLM and the simplified FM demonstrates that the results of the FM have a good agreement with the results of the LLM, which means that the simplified FM has the advantages of both high-accuracy and real-time computation.

Practical implications

After simplification, the propeller-wing interaction model is suitable for a real-time integrated turboprop aircraft model.

Originality/value

A novel decoupling parameter is presented to replace LLM applied for wings with a simplified FM, which has the advantages of both high-accuracy and real-time computation.

Keywords

Acknowledgements

The authors gratefully acknowledge the financial support from the National Nature Science Foundation of China (No. 51576097) and Postgraduate Laboratory Foundation of Nanjing University of Aeronautics and Astronautics. Besides this, the work was supported by Funding of Jiangsu Innovation Program for Graduate Education (No.KYLX16_0357) and the Fundamental Research Funds for the Central Universities.

Citation

Huang, X., Zhao, X. and Huang, J. (2018), "A simplified model for predicting the propeller-wing interaction", Aircraft Engineering and Aerospace Technology, Vol. 90 No. 1, pp. 196-201. https://doi.org/10.1108/AEAT-06-2016-0102

Publisher

:

Emerald Publishing Limited

Copyright © 2018, Emerald Publishing Limited

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