Document Type : Regular Article
- A. Ebrahim Pourshayan 1
- A. Rabbani 2
- S. farahani 3
- Y. Rabbani 4
- H. Ahmadi Danesh Ashtian 5
- M. shariat 6
- Gh. Nejad 7
- A. A. Emami Satellou 8
1 1Department of Mechanical Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran
2 School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 111554563, Iran
3 School of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran
4 university of Tehran
5 Department of Mechanical Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran
6 PetroPars Operation and Management Company (POMC), Tehran, Iran
7 Head of research and technology at Alborz province gas company
8 Metering Senior Engineering in NIGC, APGC
Magnetorheological fluids contain suspended magnetic particles that arrange in chains in the presence of a magnetic field, causing the conversion of the fluid from a liquid state to a quasi-solid state. These fluids can be used in valves as a tool for pressure drop and flow interruption. This research aims to investigate the feasibility of using magnetorheological fluid (MRF) in industrial valves. The rheological properties of the MRF sample were measured with the MCR300 rheometer in the presence of a magnetic field. In this connection, the Bingham plastic continuous model was used to predict fluid behavior, and model coefficients were obtained using MATLAB software. Then, the model's coefficients were used to simulate the behavior of the magnetorheological fluid in the presence of the magnetic field in the valve. The geometry and dimensions of the valve were designed according to the dimensions of industrial samples. Then the CFD simulation with Fluent software was done by using the Bingham model and fluid characteristics obtained from experimental results. The results showed that the pressure increased by increasing the magnetic field at the center of the sleeve. The magnetic field up to 0.5 Tesla, increases pressure and decreases amplitude. Therefore, as the magnetic field increase, the amplitude of the maximum pressure on the sleeve was significantly reduced.
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