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平流层气球热动力学仿真

, PP. 1578-1583

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Abstract:

针对平流层气球的热动力学仿真问题,提出一个可以计算升空轨迹、速度变化以及气球蒙皮温度分布的综合模型.主要分析了气球基本热力学行为和受力状况,建立气球动力学和运动学方程,以计算升空过程的轨迹和速度变化.通过将气球蒙皮分割成若干面元,研究了蒙皮面元瞬态能量平衡方程,以计算气球蒙皮温度分布.在热力学、动力学和运动学分析的基础上,建立气球综合热动力学仿真模型.引入实测风场数据,计算在实际风场条件下,平流层气球升空和驻留阶段任意时刻的热力学特性.

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