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1 Journal of Mechanical and Energy Engineering

1 2018

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Evaporator for ORC cycle with recirculating heat carring water – computational model

Kujawa T., Nowak W.

Journal of Mechanical and Energy Engineering

2018

Vol. 2, No 4

301--310

The following paper presents an ORC installation including an evaporator with recirculation (heat carrying water exiting the evaporator is redirected to its inlet). It covers the calculations of inlet/outlet temperature of the evaporator taking into account a variant recirculation coefficient. Formulas for heat transfer between heat carrying water and working fluid inside evaporator are also included in this paper. The calculations are based on properly defined average specific heat. The analysis shows that the system performance depends on heat carrying water inlet temperature, on heat carrying water flow rate and the recirculation coefficient.