Abstract
Check valve is an important fluid control component of pressure pipeline system, shuttle-type high-temperature, high-pressure, anti-erosion special valve is a new type of check valve. The simulation with CFD software Fluent and analysis for its internal temperature field was done, and then make a comparison between Shuttle-type high-temperature, high-pressure, anti-erosion special valve and swing check valve, and it can be concluded that the former doesn't exist local thermal stress concentration. Ultrasonic speed in high-pressure water and steam rely on its temperature, according to this relation, it can be calculate the temperature of fluid in the valve by measuring the transit time of ultrasonic.
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