螺旋桨升力线理论的匹配渐近展开法分析

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (5): 513-518.

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IHE ANALYSIS OF PROPELLELLER LIFTING LINE THEORY BY THE METHOD OF MATCHED ASYMPTOTIC EXPANSIONS

Chenzemin, Pan Jieyuan, Wu Liyi

Institute of Fluid Mechanics,Beijing University of Aeronautics and Astronautics,Beijing,100083

Received:1993-01-14 Revised:1993-09-10 Online:1994-05-25 Published:1994-05-25

Abstract

Abstract: Lifting line model has been developed for propeller of large aspect ra tio in blade-at-tached noninertial system,In the analysis of the method of matched asymptotic expansions,ficti-tious velocity potential is introduced.Control equation, boundary condition and Bernoulli equation are derived in blade-attached system. The analysis of the matched asymptotic expansions shows that if the advaneed ratio of propeller is not very small,lifting line theory itq still valid in blade-at-tached noninertial system for propeller.

Key words: propellers, matching, asymptotic methods

CLC Number:

V211.44

Chenzemin;Pan Jieyuan;Wu Liyi. IHE ANALYSIS OF PROPELLELLER LIFTING LINE THEORY BY THE METHOD OF MATCHED ASYMPTOTIC EXPANSIONS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(5): 513-518.

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IHE ANALYSIS OF PROPELLELLER LIFTING LINE THEORY BY THE METHOD OF MATCHED ASYMPTOTIC EXPANSIONS

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