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| Analysis of different gas state equations applied in the altitude environment |
| Zhao Shiwei,Wang Chongzhe,Yang Jian,Li Wei,Zhang Yankun,Wang Pengpeng |
| No.26 Branch of No.63863 Unit,Baicheng 137001 |
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Abstract According to a difference corrected of the air density in the altitude environment,this paper analyzes the differences between the ideal and the real state of dry air density by the equation of the ideal gas and the equation of Van der Waals,which based on atmosphere of dry air isothermal simulation mode and the actual state of variable pressure and temperature mode.The results show that the error of dry air density between two states was very small.It verified that the air density correction was feasible in the altitude environment regardless of using the ideal gas state model or the real gas state model.
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Received: 15 July 2014
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2014, Vol. 31 
