Micromanometer

According to the principle of Beeto flow rate measuring, and aiming to the 3-D flowing characteristics of helical flow in the concentric annular spaces of oil and gas wells, a "pseudo Beeto flow rate meter" is developed, which can be used for flow rate measuring of simulated small size 3-D flowing field with lifting line method.

根据毕托管测速原理 ,针对油气井同心环空螺旋流三维流动特征 ,设计制作了一种“拟毕托管测速仪” ,结合吊线法 ,可以用于小尺寸模拟三维流场的流速测量。

Some methods for reducing errors are given in joint velocity measurement by using computer and heat bulb and constituens of it are introduced.

就微机与热球风速仪联合测速给出了减小误差的若干措施及测试系统的构成 。