Given the pipe length, diameter, internal pressure, and area of the end opening, can the flow rate be calculated?

2020-11-10View Original

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The pipe is 4m long, with a diameter of 63mm and a wall thickness of 6mm. The internal pressure is 0.3MPa, and the area of the open end is 25mm2. For details, please refer to the image

Reply #22020-11-10

Sorry, I don’t know why, but the image isn’t showing in its full size

Reply #32020-11-10

The end opening functions as a flow-limiting orifice plate, and the flow rate through this orifice plate can be calculated using the formulas provided in \"Specifications for Flow-Limiting Orifices in Pipelines\" (HG-T 20570.15-95).

Reply #42020-11-10

This needs to be back-calculated using a flow restriction orifice plate. The pipeline pressure drop is very small and can be ignored. https://bbs.hcbbs.com/thread-2952751-1-1.html

Reply #52020-11-17

Can’t it be calculated using Bernoulli’s equation?

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Given the pipe length, diameter, internal pressure, and area of the end opening, can the flow rate be calculated?

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