| 麻醉蒸发器内部流动与混合过程的三维数值计算分析 |
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| 作者姓名： | Zou R Chen B Hu X Yang S |
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| 作者单位： | 上海理工大学医疗器械与食品学院;上海理工大学光电学院;上海市现代光学系统重点实验室;同济大学; |
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| 基金项目： | 国家自然科学基金资助项目(61077042,60677032); “P085“本科人才培养工程项目“医疗器械工程实验中心建设”资助; 上海市重点实验室建设项目资助(08DZ2272800); 上海市重点学科资助项目(S30502) |
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| 摘 要： | 研究了某型麻醉蒸发器工作原理,并对其结构进行实际测量。运用CFD方法对蒸发器内部气体流动与混合过程进行了三维数值模拟分析,并采用湍流随机跟踪方法,对麻醉药物蒸发雾滴的运动进行轨迹追踪,得到了蒸发器内部气体速度场变化,麻醉药物挥发以及与稀释气体混合过程中浓度场变化等结果。根据计算结果发现,稀释气体在蒸发器内部流动过程中速度降幅较大,由于蒸发器几何结构因素,麻醉药物蒸发后与稀释气体的混合过程存在不均匀混合现象,即影响了最终蒸发药物浓度的稳定性与精确性,为此给出了麻醉蒸发器的设计优化方案。
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| 关 键 词： | 麻醉蒸发器 工作原理 数值计算 |
3-Dimentional numerical simulation on internal flow and mixing process of an anesthesia vaporizer |
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| Zou R,Chen B,Hu X,Yang S.3-Dimentional numerical simulation on internal flow and mixing process of an anesthesia vaporizer[J].Journal of Biomedical Engineering,2011,28(4):810-813. |
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| Authors: | Zou Renling Chen Baoxue Hu Xiufang Yang Shuai |
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| Affiliation: | Zou Renling1,2 Chen Baoxue2,3 Hu Xiufang1 Yang shuai41(College of Medical Device and Food,University of Shanghai for Science and Technology,Shanghai 200093,China)2(College of Optics and Electron Information Engineering,China)3(Shanghai Key Laboratory of Modern Optical System,China)4(College of Automotive Engineering,Tongji University,Shanghai 201804,China) |
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| Abstract: | The function theory of an anesthesia vaporizer was studied and the geometry configuration was measured in this study.The internal gas flow and mixing process in the anesthesia vaporizer were simulated using CFD method.Applying tracking in turbulent flow to stochastic particle,for the droplet of anesthesia drug,the moving track of droplet was traced.Based on the results,the internal gas flow variation,the concentration distribution of anesthesia drug volatilization process and mixing process with gas were as... |
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| Keywords: | Anesthesia vaporizer Function theory Numerical simulation |
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