Abstract
Fluids in the heat-supply pipelines have a small amount of impurities. Impurities can easily settle down on the ultrasonic heat meters’ reflecting faces. It caused measurement inaccuracy. Vortex generator is placed in ultrasonic heat meter in this paper, which can generate vortex in the reflect fields. Vortex toke away impurities on the bottom of heat meter. Reflecting surface keeps clean. A v-shaped ultrasonic heat meter is taken for example. Numerical study of the flow field near the Reflecting surface vortex generator is carried out. Results show certain strength of vortex is caused in the reflective surface, while other palaces influenced little.
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