飞机机头气动补偿空速管的设计

doi:CNKI:11-1929/V.20110225.1654.000

Abstract

Abstract: A design method of a nose aerodynamic compensation pitot-static tube is proposed according to the aircraft design requirement for the pitot-static tube to be placed at the head of the aircraft. The aircraft nose position error is obtained by numerical calculation and then an aerodynamic compensation pitot-static tube configuration is given. Numerical calculations are conducted on the pitot-static tube in order to study its aerodynamic compensation characteristics. Calculation results are verified by comparing them with experimental data. Compensation curves of the pitot-static tube and the best static pressure port location in the compensation region are obtained. On this basis, the compatibility of the compensation pitot-static tube with the aircraft nose is analyzed so as to determine the length of the pitot-static tube. Finally, an integrated calculation of the compensation pitot-static tube and the aircraft nose is presented. The results show that the pitot-static tube is able to provide the desired compensation for aircraft nose position error. Research results of this paper can validate the feasibility of the design approach and method, and the aerodynamic compensation pitot-static tube of this design can satisfy the design requirement. These findings can provide references for aircraft nose aerodynamic compensation pitot-static tube design.

Key words: pitot-static tube, aerodynamic compensation, position error, compatibility, numerical calculation

CLC Number:

V211.46

ZHENG Liu, CHEN Zhimin. Design of an Aircraft Nose Aerodynamic Compensation Pitot-static Tube[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2011, 32(7): 1189-1194.

References

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Design of an Aircraft Nose Aerodynamic Compensation Pitot-static Tube

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