Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 30 Jan 2018 My Price 6.00

water-to-heat pump heat exchange

A heat pump receives heat from a lake that has an average winter time temperature of 68C and supplies heat into a house having an average temperature of 23°C.

(a) If the house loses heat to the atmosphere at the rate of 52,000 kJ/h, determine the minimum power supplied to the heat pump, in kW.

(b) A heat exchanger is used to transfer the energy from the lake water to the heat pump. If the lake water temperature decreases by 5°C as it flows through the lake water-to-heat pump heat exchanger, determine the minimum mass flow rate of lake water, in kg/s. Neglect the effect of the lake water pump.

Answers

Maurice Tutor
(5)
Status NEW Posted 30 Jan 2018 12:01 AM My Price 6.00

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