查询词典 Pitot tube

A modified pitot tube is demarcated in standard wind hall.

采用标准风洞对背靠背式皮托管进行了标定。

To overcome the flow fields disturbance difficulties of the regulating valve in flow measurement and test, the fluid disturbance distribution in the pipeline was studied with the pitot tube.

针对调节阀在流量计量及检定中产生的流场扰动问题，采用皮托管对管道中流体扰动的分布情况进行了研究。

The output characteristics of the averaging pitot tube flowmeter installed downstream a plane elbow was studied numerically.

采用数值模拟方法对处在弯管附件后均速管流量计的输出特性进行了研究。

Using clear water as simulating mixed liquor, the cross-flow velocity of the SFDMBR was gained by the microscopy and Pitot tube testing method.

建立的混合液流速与清水流速之间的关系模型可以很好地反映混合液流速与清水流速之间的关系。

French investigators announced Saturday that the plane had been scheduled to have its Pitot tube replaced, but it remained unclear whether the part had malfunctioned or had anything to do with the crash.

法国调查员声明道就在出事前的周六，本来根据安排要将这架飞机的空速管换掉。但是现在还不明确是否空速管的延迟更换造成了飞机的故障或跟这次坠机有任何联系。

In addition,based on the theory of aerodynamics,the initial velocity of airflow at the entry of core-box has also been measured with a Pitot tube.

根据空气动力学原理，利用皮托管测量了芯盒入口处的气流速度。

Because the simple Pitot tube (Figure 4.3.19) only samples a single point, and, because the flow profile of the fluid varies across the pipe, accurate placement of the nozzle is critical.

由于简单的皮托管（图4.3.19 ）只样品单点，而且，由于流动剖面流体有所不同的管道，准确位置，喷嘴是至关重要的。

Choose the NDIR air analysis apparatus and Pitot tube using in the CEMS (continuous emission monitoring system) which are more suitable for plants'environment and more precise.

在目前的CEMS中应用适合现场测量、反应快速的非分光红外气体分析仪和毕托管流量计等高精度测量仪器。

Choose the NDIR air analysis apparatus and Pitot tube using in the CEMS(continuous emission monitoring system) which is more suitable to plants environment and more precise. Use the coal's amount entering the boiler and its corresponding gas emission measuring to fulfill the coal's ultimate analysis on-line.

在普遍采用的CEMS烟气排放连续监测系统中应用适合现场测量、反应快速的非分光红外气体分析仪和毕托管流量计等，用高精度的测量来提高软测量的计算精度。

The total and of the pitot tube were measured when the opening of the regulating valve was changed with keeping the flowrate fixed as well as unchanged the opening of the regulating valve with invariable flowrate. Then, the dynamic pressure signals were analysed with the method of PSD after computed and normalized and a better result of frequency-domain distribution was obtained. In addition, the average energy was defined and used for the analyzing of disturbance signals of regulation valve.

首先利用皮托管对相同流量不同开度及相同开度不同流量下的总压及静压信号进行测量，然后经过计算得到动压信号并进行归一化处理；其次，对归一化处理后的动压信号进行功率谱分析，取得了较好的频域分布结果；同时定义了信号的平均能量，并将其应用到了调节阀扰动信号的分析中。

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。