You have asked to design minimum cost regenerative plate heat exchanger for Peoples Brewing Co. to...
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You have asked to design minimum cost regenerative plate heat exchanger for Peoples Brewing Co. to partially cool 100 gal/min of 200F wort by heating 75 gal/min 50F water to be used in the mash tun. Determine the heat exchanger area that will minimize the annualized cost. Cost of cooling the wort is $15/10^6 BTU Cost of heating the water is $8/10^6 BTU Cost of money: 15% (min acceptable rate of return) Equipment life: 10yrs (straight line depreciation) Tax rate: 25% Assume the properties of water for the wort and that the overall U = 250 Btu/(hr. ft^2. F) You have asked to design minimum cost regenerative plate heat exchanger for Peoples Brewing Co. to partially cool 100 gal/min of 200F wort by heating 75 gal/min 50F water to be used in the mash tun. Determine the heat exchanger area that will minimize the annualized cost. Cost of cooling the wort is $15/10^6 BTU Cost of heating the water is $8/10^6 BTU Cost of money: 15% (min acceptable rate of return) Equipment life: 10yrs (straight line depreciation) Tax rate: 25% Assume the properties of water for the wort and that the overall U = 250 Btu/(hr. ft^2. F)
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