Volume 19, Issue 6 (June 2019)                   Modares Mechanical Engineering 2019, 19(6): 1337-1346 | Back to browse issues page

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1- Chemical Engineering Department, Engineering Faculty, Iran University of Science & Technology, Tehran, Iran
2- Chemical Engineering Department, Engineering Faculty, Iran University of Science & Technology, Tehran, Iran , hashemabadi@iust.ac.ir
Abstract:   (7777 Views)
In the present study, CFD simulation of Transit-time ultrasonic flowmeter with the PZT-5J piezoelectric sensor was modeled for light, heavy, and medium crude oil by the wave equation in the acoustic wave propagation path and finite element solving method in the unsteady state and it was implemented, using COMSOL Multiphysics 5.3 software. Different samples of light, heavy, and medium crude oil at different temperatures were modeled and simulated under constant pressure, using CFD tools. voltage and speed of sound in were calculated by the proposed model. To evaluate the accuracy of the proposed model, the simulation results were compared with the empirical data obtained from the experimental work of the researchers. The average values of the maximum voltage of signals for an ultrasonic containing light, heavy, and medium light crude oil samples are 0.9491, 1.0115, and 0.943 v, respectively. The difference between the simulation results and the experimental data for the speed of sound in the light, heavy, and medium crude oil samples was at most about 0.2336%, 0.4339%, and 0.1378%, respectively. Therefore, the high costs of designing and optimizing the transit-time ultrasonic flowmeter for crude oil can be reduced, using the proposed model.
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Article Type: Original Research | Subject: Mechatronics
Received: 2018/07/1 | Accepted: 2019/01/17 | Published: 2019/03/11

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