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Rate of Rise technique for measuring pressure drop

Rate of Rise technique for measuring pressure drop

Rate of Rise technique for measuring pressure drop

(OP)
Dear all,

I came across information from our honeycomb-supplier and didn't understand a technique he is using.
He measured the pressure drop over the honeycomb material, expressed in seconds. The only information I have, is that it is measured with a "rate of rise" tube and the supplier specified only the height of the honeycomb material (e.g. 200mm) and as said before, the pressure drop expressed in seconds.
When I try to find information on this topic, I cannont find information on this topic for measuring pressure drop.

I hope someone on this forum can help me with this problem.

Many thanks in advance.
Best regards,
Sherpa

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