H - The head difference between the beginning and the end of the pipeline, in m.In the formula: Q - flow rate in m^3/s.

Calculate the flow rate Q: Q = (H/sL)^(1/2).P: is the pressure difference between the two ends of the pipe (not the pressure of a certain section). If there is a horizontal drop h (referring to the beginning of the pipe higher than the end by h). Determine the working head difference H=P/(ρg) at both ends of the pipeline.The specific resistance of the pipeline can be calculated by Sheverev formula s=0.001736/d^5.3 or s=10.3n2/d^5.33. If it is an old cast iron pipe or old steel pipe. Calculate the specific resistance S of the pipeline.The calculation steps are as follows:Įxtended reading: Liquid Bitumen/Asphalt Flow Meter For pressure pipe flow, it can also be calculated. Install pressure gauges, flow meters, or measure flow-through capacity. Its flow rate depends on the pressure in the pipeline.įor quantitative analysis, you can use hydraulic model experiments. When the outlet in the pressure direction is closed (valve closed). That is to say, the direction is one-way. The flow rate is equal to the velocity multiplied by the section.įor any section of the pipeline, the pressure comes from only one end. That is, the greater the pressure, the greater the flow rate. The relationship between pressure and flow in the pipeline is proportional. If you look at it from a qualitative analysis point of view. Therefore, it is necessary to indicate the length of the pipeline and the pressure difference between the two ends of the pipeline in order to find the flow rate and flow rate of the pipeline.Įxtended Reading: Magnetic Battery Operated Flow Meter Therefore: The flow rate in the pipe is not determined by the pressure in the pipe, but by the pressure drop gradient along the pipe. When closed, there is pressure P in the tube. You imagine that there is a valve at the end of the pipe. The answer is: It is not yet possible to find the flow velocity and flow rate of the fluid in the pipeline. Extended reading: Use of high temperature melt pressure sensor

Calculate prssure in pipe