Designing the OTEC SystemsA closed-cycle OTEC system uses a propane as the working fluid. Warm surface water enters andleaves the evaporator (boiler) at Twi°C and…

Designing the OTEC SystemsA closed-cycle OTEC system uses a propane as the working fluid. Warm surface water enters andleaves the evaporator (boiler) at Twi°C and Two°C. The cold water enters and leaves the condenserat Tci°C and Tco°C. The propane evaporating temperature is Tpe°C, and the condensing temperatureis Tpc°C. The plant output is 100 MW, and the turbine efficiency is 0.85. The overall heat transfercoefficient for both evaporator and condenser is 1400 W/m2 K.(1) Part 1. Calculate the OTEC closed cycle: Determine the propane flow rate, the evaporatorand condenser surface areas, the warm-water and cold-water mass flow rates, and theoverall thermal efficiency. (50 Points)(2) Part 2. Design a heat exchanger for the evaporator or condenser using 100 kW per unit(that means the 100 MW plant includes 1000 parallel units). (50 Points)
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