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靜態(tài)壓力在所有方向上均勻施加，而速度壓力僅在氣流方向上施加。這使得直接測量管道中的速度壓力變得困難。
The static pressure is applied uniformly in all directions, while the velocity pressure is applied only in the air flow direction. This makes it difficult to directly measure the velocity and pressure in the pipeline.
簡單地說，因?yàn)殪o壓力也在向氣流的方向推動(dòng)，所以無法測量靜速度壓力。實(shí)際上，速度壓力是通過測量垂直于氣流的壓力（靜壓）和平行于氣流的壓力（總壓）來計(jì)算的。
Simply put, because the static pressure is also pushing in the direction of the air flow, the static velocity pressure cannot be measured. In fact, the velocity pressure is calculated by measuring the pressure perpendicular to the air flow (static pressure) and the pressure parallel to the air flow (total pressure).
靜態(tài)壓力和速度壓力是相互轉(zhuǎn)換的。每個(gè)管道的大小取決于決定流量的局部管道橫截面速度。
Static pressure and velocity pressure are converted to each other. The size of each pipe depends on the local pipe cross-section velocity that determines the flow rate.


管道中的壓力變化受以下影響：恒定橫截面積：總損失和靜態(tài)損失相等。分流段（管道尺寸增加）：速度壓力增加，總壓力降低，靜態(tài)壓力可能增加（靜態(tài)回潮率），收斂段（管道尺寸減?。毫魉賶毫ρ亓飨蛟黾樱倝汉挽o壓降低。
The pressure change in the pipeline is affected by the following: constant cross-sectional area: the total loss is equal to the static loss. In the diverging section (the pipeline size increases): the velocity pressure increases, the total pressure decreases, the static pressure may increase (static moisture regain), and the convergence section (the pipeline size decreases): the velocity pressure increases along the flow direction, and the total pressure and static pressure decrease.
由于摩擦和湍流損失，總壓通常沿氣流下降。常州螺旋風(fēng)管的承包商混合使用“靜壓”、“速度壓力”和“總壓”等術(shù)語非常普遍。術(shù)語“靜態(tài)壓力”通常用于風(fēng)機(jī)選擇；“速度壓力”用于測量系統(tǒng)中的cfm，“總壓力”用于查找速度壓力?？倝毫Q定了必須提供給系統(tǒng)。
Due to friction and turbulence losses, the total pressure usually drops along the flow. It is very common for Changzhou spiral duct contractors to use the terms of "static pressure", "velocity pressure" and "total pressure". The term "static pressure" is usually used for fan selection; "speed pressure" is used to measure CFM in the system, and "total pressure" is used to find the speed pressure. The total pressure determines that it must be provided to the system. 上一篇：通風(fēng)管道中風(fēng)管與支吊架的安裝闡明
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