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A Study on Thermal Characteristics of Stratospheric Airship Influenced by Solar Radiation  

Kim Min-Jung (인하대학교 항공공학과 대학원)
Lee Dae-Won (인하대학교 항공공학과 대학원)
Roh Tae-Seong (인하대학교 항공우주공학과)
Choi Dong-Whan (인하대학교 항공우주공학과)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.9, no.2, 2005 , pp. 89-96 More about this Journal
Abstract
This study has been performed on the mechanism of heat transfer between stratospheric airship and its surroundings while the airship is staying in the air at the altitude of 20km. The computational grid of airship has been generated and the results influenced by the number and the shape of grids have been compared. The temperature distributions have been obtained through this thermal analysis considering three modes of heat transfer - conduction, convection and radiation - in stratospheric conditions. Based on the airship's surface and inner temperature variations, the influence of temperature distributions on the helium envelope and the payload has been predicted.
Keywords
Stratospheric Airship; Stratospheric Condition; Solar Radiation; Heat Transfer; Computational Grid;
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