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代偿服加压条件下的血液动力学仿真

, PP. 1122-1126

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Abstract:

利用仿真方法研究飞行员穿着高空代偿服加压条件下生理参数的变化情况,探索加压对人体血液循环功能的影响及其变化规律,为飞行员高空防护提供理论支持.在Heldt立位应激模型的基础上,针对代偿服加压特性进行修正,建立人体加压条件下的血液动力学模型,同时通过地面加压试验验证模型的正确性.模型模拟得到全身侧管式代偿服不同加压条件下的血液动力学参数平均动脉压、每搏量和每分量,并与试验值进行对比,模型结果与试验值吻合较好,验证了模型的有效性.模型可有效地模拟代偿服加压条件下的血液动力学变化情况.

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