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Air Cooler performance with one fan failure

Air Cooler performance with one fan failure

(OP)
As per my HTRI design for Regeneration Gas Air Cooler, I have one bay, each bay has 1 bundle and 2 fan which are Fixed speed motor type.
I have to check whether air cooler cooling duty can be meet with one fan failure.

Can any one tell how to check the same in HTRI and also what are the factors we can change to get the required duty as my fan motors are fixed speed motors.

RE: Air Cooler performance with one fan failure

Can't you model with one fan and one bay in convective cooling?

My understanding was that HX design is often required to allow 65-70% of the same cooling effect without fan as with it?

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RE: Air Cooler performance with one fan failure

Assuming that each of the 2 fans covers half the bundle face area, then we will have half the bundle in convective cooling with the remaining fan and the other half in natural convection cooling. As a first approximation, you could ignore the credit obtained from the section in natural convection.

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