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    tuan_anh268's Avatar
    tuan_anh268 Posts: 1, Reputation: 1
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    #1

    Jun 10, 2008, 06:01 AM
    Chiller loading
    Got this issue on cooling kW at certain ambient temperature.

    Leaving CHWT=13 deg.C

    @ 45DegC- Cooling output is 1397.1kW and compressor input is 491.1kW
    @50DegC - Cooling output is 1080.8 and Compressor is 397.4

    Is it not obvious that if temperature rises the load increases? Why is that at 45degC the load is larger than the 50degC. Can this be explained further?thanks
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #2

    Jun 10, 2008, 06:51 AM
    It's really going to depend on the temperature and humidity of the air in the secondary system. More specifically Enthalpy. e.g what temp/humidity you started from and what temperature/humidity you ended up at. Enthalpy of Moist and Humid Air

    With a large system that would become the sum of all the secondary systems.

    Another possibility which I think is remote is vibration of the equipment at a particular cooling load.
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