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332,000lbm/h of 81F water enters a two-phase counter flow, closed feed water heater. The feed water heater is constructed of 1850ft2 of 5/8 inch copper
332,000lbm/h of 81F water enters a two-phase counter flow, closed feed water heater. The feed water heater is constructed of 1850ft2 of 5/8 inch copper tubing. Saturated steam is bled from the turbine at 4.45 psia and condenses to saturated liquid. The heated water leaves at 150F with an enthalpy of 1100Btu/lbm. a. What is the overall heat transfer coefficient in Btu /hrft2F ? b. What is the steam extraction rate in Btu/hr
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