利于冬季飞行的太阳能飞机构型研究

doi:10.7527/S1000-6893.2013.0529

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2014, Vol. 35 ›› Issue (6): 1581-1591.doi: 10.7527/S1000-6893.2013.0529

• Solid Mechanics and Vehicle Conceptual Design • Previous Articles Next Articles

Study of Solar-powered Aircraft Configuration Beneficial to Winter Flight

MA Dongli, BAO Wenzhuo, QIAO Yuhang

School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China

Received:2013-09-09 Revised:2014-01-22 Online:2014-06-25 Published:2014-02-26
Supported by:
National High-tech Research and Development Program of China(2012AA7052202)

Abstract

Abstract:

To address the problem of weak solar radiation intensity in winter, a new solar-powered aircraft configuration is put forward and studied. The general solar-powered aircraft configuration is summarized. The models of solar radiation intensity and energy power system are built. Aircraft characteristics of aerodynamic, power, weight, and optimal wing's deflection angle are analyzed, and a general-parameters design method for the new solar-powered aircraft configuration is introduced which is used to study the design parameters of the aircraft configuration. The results show that the existence of the wing's deflection angle can effectively improve the solar radiation intensity that the aircraft receives. The optimal wing's deflection angle is between 7.4°and 9.5°, changing by time. The optimal aspect ratio of the end-plates is around 5. The optimal area ratio of the end-plates to wing is 0.09. The optimal maximum allowable lift coefficient of the end-plates is 1.1. The new configuration solar-powered aircraft can decrease the total area by 44.2% as compared with the normal solar-powered aircraft configuration, which shows its obvious superiority.

Key words: solar-powered aircraft, aircraft configuration, solar radiation, ultra-long endurance, wing area

CLC Number:

V221.2
V279

MA Dongli, BAO Wenzhuo, QIAO Yuhang. Study of Solar-powered Aircraft Configuration Beneficial to Winter Flight[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014, 35(6): 1581-1591.

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Study of Solar-powered Aircraft Configuration Beneficial to Winter Flight

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