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Pradheepganesan
10-01-2015, 07:58 AM
Hi everyone

I currently engaged in analyzing the behavior of variable speed air-conditioner by building a system. My current setup is one 3 ton variable speed compressor and rated condenser for it, but i have used two 1.5 ton split type evaporator which is of different make ( LG and Godrej).

I have done a capacity calculation for various speed range of the compressor by measuring dry bulb and wet bulb temp and plotted the values in psychometric graph to find the enthalpy of air.The formula which is used is Mass flow rate of air * delta H of air
After I done with the calculation, I observed that I got double the capacity compared with the actual capacity at different speed points of compressor. So kindly tell me how to sort out the capacity issue.