Investigation of the effect of arteriole clogging of the heart on the characteristics of intravenous blood flow

Document Type : Article


1 College of Chemistry, Guangdong University of Petrochemical Technology, Maoming 525000, PR China

2 Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; and Soetomo General Academic Hospital, Surabaya, Indonesia

3 Department of Anesthesia Techniques, Al-Mustaqbal University College, Hillah, Iraq

4 Al-Nisour University College, Baghdad, Iraq

5 Department General Studies, Universidad Continental, Lima, Peru

6 Faculty of Medicine, Islamic Azad University, Ardabil Branch, Ardabil, Iran


In this paper, the behavior of blood flow in passing through several consecutive and relatively close clogs inside the vessel has been investigated using modeling of blood vessels in the vessel. The clogs used are dual-channel and single-channel currents, which are naturally very close. Consecutive clogs with equal intervals and with different clogs of 3% (30%, 50% and 70%) are considered. The vessel wall is considered rigid. The inflow to the clogged area is in the form of a real pulse, the same as the pulse of blood flow in a vein. As a result, the rate of change of current intensity and Reynolds numbers is close to reality. For this purpose, the Navier–Stokes equations have been solved numerically in the unstable state together with the continuity equation in the capillary coordinate system by numerical method. These changes are more severe at distances of 17 mm for two channels and 25 mm for single channels, which have their maximum blood flow rate. Examination of the flow lines shows that due to the low Reynolds number, the return and eddy currents behind the clogs are limited.


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