低频交变磁场对于刚性直圆管中脉动流的影响*
The Influence of Low-Frequency Varying Magnetic Field on the Pulsatile Flow in a Rigid Round Tube
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摘要: 本文通过求解灾变磁场作用下刚性直圆管脉动流的运动方程,得到了它的分析解.计算了流速分布及阻抗.计算结果对于深入了解低频磁场对于血液动力学的影响以及它的临床应用具有一定参考价值.Abstract: In this paper, the analvtic solution of the dynamical equation of the pulsalile.flowin a rigid round tube under the low-frequency varymg magnetic field is obtained. Thevelocity distribution and the flow.mpedance are calculated. The results are valuablefor Understanding the influence of low-frequency varymg magnetic field on hemodynamics and its clinical application.
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Key words:
- low-frequency varying magnetic field /
- pulsatile flow /
- impedance /
- impedance ratio
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[1] 孙好明、常吉成,对磁治疗高血压200例临床疗效观察,《磁疗法及其应用》,西安市科学技术情报研究所(1978),25-26. [2] 周崇文、吴望一、温功碧、陈建国,恒磁场对豚鼠血液流变性质影响的实验研究,中国生物医学工程学报,15(1) (1996),1-5. [3] 冯忠刚、吴望一,恒磁场对刚性圆直管中脉动流的影响,应用数学和力学,16(6) (1995),485-494
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