查询词典 Pitot tube

PITOT STATIC TUBE, A tube facing the airstream which measures ram and static pressure. Used by airplane instruments.

总静压管，开口面对气流以量取空气的总压和静压，供飞机仪表使用的管道。

Any flows greater than the capacity of the low flow diversion pipeline then flow into the park.The authors present an e'ectrical method by use of the pressure dif- ference transducer with the pitot tube which is installed in the pens- tock of prototype turbine to search for the law of dynamic flow unde?

作者提出一种装置在原型水轮机压力引水管道上的皮托管经差压应变传感器的电测方法，用以测量水轮机过渡过程中的动态流量变化规律；采用这种方法，首先在三座水电站中对原型水轮机各种过渡过程的动态流量变化规律进行了测量，并获得了较为满意的结果。

GB/T2624--936 and production in line with ISO5167 - 1 standard expenditure devices, including pressure Kok access standard orifice, the standard nozzle, the flange pressure from the standard orifice, the trail from pressure from the standard orifice, the length of the nozzle And Venturi tube and cultural Venturi nozzle, double orifice, eccentric orifice, missing a round orifice, cone-shaped entrance orifice, the first-orifice, Pitot Venturi tubes, nozzles, such as the speed of sound. OVAL Co., Ltd.

生产符合GB/T2624--936和ISO5167--1的标准节流装置；包括角接取压标准孔板、标准喷嘴、法兰取压标准孔板、径距取压标准孔板、长径喷嘴以及文丘里管和文丘里喷嘴、双重孔板、偏心孔板、圆缺孔板、锥形入口孔板、端头孔板、皮托文丘里管、音速喷嘴等。

The pitot-static tube can be used only in free air.

皮托管仅能用在自由流中。

Based on the research on sensitivity of geomagnetic declination on wind measurement by UAV with Pitot-static tube,mathematical model of wind speed error to effect of geomagnetic declination is set up in virtue of wind measurement theory and error theory.

从无人机(unmanned aerial vehicle，UAV)皮托-静压管测风对磁偏角的敏感性出发，借助无人机皮托-静压管测风原理和误差理论，建立了磁偏角对测风影响的风速误差数学模型；通过仿真，分析了磁偏角对风速测量的影响和误差变化规律，并通过试验数据验证了仿真结论，为磁偏角的校正，提高风速测量精度提供了参考依据。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。