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Fundamental Study of an AC Magnetohydrodynamic Blood Pump

Author: SongShuJun
Tutor: PengYan
School: Institute of Electrical Engineering
Course: Theory and New
Keywords: AC magnetohydrodynamic propulsion system Blood pump Ventricular Assist
CLC: TH789
Type: Master's thesis
Year: 2005
Downloads: 127
Quote: 2
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Abstract


Electromagnetic propulsion fluid is a conductive fluid ( such as water, liquid metal , etc. ) used to pressurize, transport and propulsion and electrical new technology . According to the different characteristics of the applied magnetic field , electromagnetic fluid propulsion can be divided into DC and AC in two ways . This article according to the basic principle of the the AC magnetic fluid propulsion and conductive properties of the blood , a new blood drive means - the AC magnetic fluid blood drives the pump . No moving mechanical parts in the this blood drive device , blood , nor periodic mechanical deformation , and therefore this drive blood no role in the destruction of the mechanical compression , reduces the blood biochemical characteristics of the blood during the driving by negative impact . Therefore, the study of this new blood drive mode artificial heart assist devices have an important significance . Established the two - dimensional mathematical model of the AC magnetic fluid pump blood and to simulate and analyze the different poles on a number of different magnet structure permanent magnet program simulation analysis and calculation results of the comparison , and ultimately determine the blood quadrupole magic ring the structure of the permanent magnet magnet program as a blood pump device . And developed on this basis, the the AC magnetic fluid blood pump simulation test device mainly comprises a rotating the quadrupole Oculus permanent magnet system and blood engine room . And do a series of tests, including test apparatus to measure the magnetic flux density of the blood in engine room space area to measure the velocity of the fluid in the the ring blood in the engine room of the speed of different electrical and magnet , and compared with the simulation value . In addition, the rheological properties of blood and blood in the electromagnetic field , the impact of electromagnetic fields on blood rheology characteristics and biochemical characteristics of the analysis, and measuring the human whole blood and plasma cell conductivity test . AC magnetic fluid pump blood practical research has important reference value .

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