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Initial Thermal Hydraulic Design of a 1000MWe Water Reactor with an Improved Thermal Efficiency

This design considers the thermal hydraulic processes involved in the transfer of power from the core to the secondary system of a PWR nuclear plant. In practice a net plant efficiency of around 32% - 36% would be typical for a water-cooled reactor. I choose to operate with a much higher temperature (330 o C) to see its effect on the reactor performance. This result to a higher thermal efficiency (about 45%) and core power (about 2218MWth). Safety margins and conditions have been considered and all thermodynamical parameters and heat transfer processes involved has been calculated accurately. Analytical approach of the general heat conduction equation in cylindrical coordinate is employed to solve the temperature distribution and heat flux and the calculated temperature distribution follows the expected decay pattern. The axial and radial profile is shown.