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- In relation to this article, we declare that there is no conflict of interest.
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Received August 14, 2020
Accepted October 28, 2020
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Theoretical investigation on the throttle pressure reducing valve through CFD simulation and validating experiments
1School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China 2College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao, Shandong, 266061, China 3State Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment, China Nuclear Power Engineering Co. Ltd., Shenzhen, Guangdong, 518172, China
Korean Journal of Chemical Engineering, February 2021, 38(2), 400-405(6), 10.1007/s11814-020-0703-2
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Abstract
The throttle pressure reducing valve has potential for the high pressure heat exchanger with the advantage of simple structure, easy operation and maintenance. We investigated the discharge capacity under different pressure difference between inlet and outlet, the area of inlet and throttle though CFD simulation and validating experiments. A theoretical formula of the discharge capacity was developed through the theoretical analysis and simulated results and was well proved by the experiments. The results revealed that the square of discharge capacity is positively proportional to the pressure difference, and the drag coefficient has a linear relationship with the throttle area and the reciprocal of flange area. This research establishes the theoretical basis for the designing and engineering application of throttle pressure reducing valve.
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