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24-10-2022
Engineering

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An HVAC system consists of a central water chiller at the basement that cools the chilled water that
gets pumped upward to three air handling units at each of the three floors as shown in the figure. A
cooling tower on top of the roof is used to cool the condenser water of the water chiller. The building
has a total cooling load of 500,000 Btu/hr. Assume a reasonable COP for the refrigeration cycle and
calculate the heat transfer rate in the cooling tower [Btu/hr].

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