What are the causes of surge due to a decrease in compressor inlet flow and a drop in rotational speed?

2019-02-27View Original

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What are the causes of surge due to a decrease in compressor inlet flow and a drop in rotational speed?

Reply #22019-02-28

A decrease in flow rate will definitely cause surge; generally, compressors are equipped with anti-surge valves, which open when the flow rate decreases

Reply #32019-03-01

Excessive pressure at the outlet can cause a decrease in inlet flow, and changes in the gas composition can lead to a decline in rotational speed. What you said wasn’t very clear, so…

Reply #42019-03-21

It is mainly due to the low import flow rate, which is not sufficient for the pump to operate at its current speed, resulting in surging

Reply #52019-04-04

Low inlet flow rate, high outlet pressure

Reply #62019-04-11

Changes in the gas composition cause the speed to decrease; as the speed drops, the flow rate also decreases, leading to entry into the surge region and thus surge.

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