[1]冯龙飞,云忠,徐军瑞,等. 一种轴流血泵的磁液双悬浮支承系统[J].中国医学物理学杂志,2018,35(8):939-944.[doi:1005-202X（2018）08-0939-06DOI]
　FENG Longfei,YUN Zhong,XU Junrui,et al. Magnetic-hydraulic suspension supporting system for axial blood pump[J].Chinese Journal of Medical Physics,2018,35(8):939-944.[doi:1005-202X（2018）08-0939-06DOI]
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 一种轴流血泵的磁液双悬浮支承系统()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
35卷
期数:
2018年第8期
页码:
939-944
栏目:
医学信号处理与医学仪器
出版日期:
2018-08-20

文章信息/Info

Title:
 Magnetic-hydraulic suspension supporting system for axial blood pump
文章编号:
1005-202X（2018）08-0939-06
作者:
 冯龙飞; 云忠; 徐军瑞; 蔡超
 中南大学机电工程学院， 湖南 长沙 410083
Author(s):
 FENG Longfei;  YUN Zhong;  XU Junrui;  CAI Chao
 School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
关键词:
 ; 血泵; 磁液双悬浮; 轴流; 仿真; 轴向磁力; 径向液力
Keywords:
 ; Keywords: blood pump;  magnetic-hydraulic suspension;  axial flow;  simulation;  axial magnetic force;  radial hydraulic force
分类号:
R318.1
DOI:
1005-202X（2018）08-0939-06DOI
文献标志码:
A
摘要:
 【摘 要】 目的：为解决第三代血泵中磁力和液力悬浮系统体积偏大、发热多、水力性能差、血损严重等问题，提出一种磁液双悬浮支承系统。 方法：磁液双悬浮支承系统轴向靠磁力、径向靠径向液力共同实现转子的稳定悬浮；分别利用ANSYS电磁模块和楔形动压承载原理对轴向磁力、径向液力进行分析，利用Fluent对磁液双悬轴流血泵的水力性能进行仿真分析。 结果：对悬浮系统轴向、径向承载力的分析以及悬浮实验结果表明该系统可以实现稳定的悬浮；Fluent仿真及水力实验表明当血泵转子转速为9 500 r/min以上时，能满足人体需要。 结论：磁液双悬浮支承系统具有较好的悬浮性、水力性能，可作为第三代血泵进一步改进的选择方向。
Abstract:
 Abstract: Objective To propose a magnetic-hydraulic suspension supporting system for solving the problems of magnetic and hydraulic suspension system of the third generation blood pump, such as large volume, high fever, poor hydraulic performance and serious blood damage. Methods The magnetic-hydraulic suspension supporting system relied on magnetic force in the axial direction and passive hydraulic force in the radial direction to realize the stable suspension of the impeller. The axial magnetic force was analyzed by ANSYS electromagnetic module and the radial hydraulic force was analyzed by wedge dynamic pressure bearing principle. The hydraulic performance of magnetic-hydraulic suspension axial blood pump was simulated by Fluent. Results The analysis of the axial and radial bearing capacity of the suspension system and the results of suspension experiments proved that the suspension system could achieve a stable suspension. Fluent simulation and hydraulic experiments showed that when the rotor speed of the blood pump was above 9 500 r/min, the blood pump met the needs of the human body. Conclusion The magnetic-hydraulic suspension supporting system had good suspension and hydraulic performances, which can provide a possibility for the further improvement of the third generation blood pump.

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备注/Memo

备注/Memo:
 【收稿日期】2018-03-21
【基金项目】国家自然科学基金（31670999，51475477）；浙江省重中之重学科开放基金（GK170201201003/002）
【作者简介】冯龙飞，硕士研究生，研究方向：微生物机械系统设计及仿真，E-mail: flfzy2012@163.com
【通信作者】云忠，教授，博士生导师，研究方向：微生物机械系统设计及仿真、机电一体化装置设计，E-mail: yunzhong@126.com
更新日期/Last Update: 2018-07-26