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  1. #1
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    Aug 2016
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    Effect of altering cooling water flow rate

    Hi

    I'm new to this and am still trying to get my head around some parts. So I was shown an experimental procedure for investigating the performance of a refrigeration plant (R134a) incorporating a water cooled condnser. I varied evaporator loads 1400W, 1200W and 1000W and adjusted the water flow rate across the condenser between 0.01kg/s, 0.02kg/s and 0.03kg/s with results that I interpret that as the flowrate of water across the condenser increases the cooling water differential decreases. But I thought that if Q=mcdt then surely if I increase water flowrate, my temperature differential should increase. What am I missing here? See my recorded results below.

    Thanks and sorry if post is in wrong section

    Barry
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    Last edited by scarecrow75; 01-12-2016 at 11:03 PM.

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