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PITOT-STATIC TUBE OR PITOT TUBE FOR MEASURING FLOW RATES?

机译：皮托特 - 静态管或皮托管测量流速？

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摘要

Where volume flow rates in ventilation applications are to be measured common practise is to integrate the velocity profile over the entire cross-section. One of the instruments used to carry out the flow velocity traverse is the Pitot-static tube. The paper examines, on an experimental basis, whether the readings of both total and static pressure by a Pitot-static tube could not validly be carried out by a combination of a Pitot tube that measures the total pressure and tappings at the wall of the duct where the static pressure is picked up. The advantage becomes particularly interesting for applications where the flow rate may change in time.
机译：在通风应用中的体积流速来衡量的情况下，常见的做法是在整个横截面上集成速度曲线。用于执行流速的仪器之一是皮托静态管。纸张在实验基础上检查是否通过皮带静态管的总和和静压的读数无效地通过测量管道壁的总压力和舌头的皮托管的组合来进行拾取静压的位置。对于流量可能及时改变的应用，优点是特别感兴趣的。

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