A novel cogeneration cycle based on a recompression supercritical carbon dioxide cycle for waste heat recovery in nuclear power plants
by Mortaza Yari
International Journal of Exergy (IJEX), Vol. 10, No. 3, 2012

Abstract: In this study, a novel cogeneration cycle based on the recompression S-CO₂ Brayton cycle is proposed, analysed and optimised thermodynamically to utilise the waste heat from a nuclear power plant. The cycle was constructed theoretically on the basis of a transcritical CO₂ power cycle and a LiBr/H₂O Absorption Heat Transformer (AHT) to enhance the overall performance of the cycle. It was found that both the energy and exergy efficiencies of the new S-CO₂ cycle are about 5.526% higher than that of the simple S-CO₂ cycle. A maximum pure water flow rate of 3.317 kg/s was obtained under the analysed condition for the new S-CO₂ cycle.

Online publication date: Thu, 10-May-2012

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