E3S Web Conf.
Volume 327, 202126th Scientific Conference on Power Engineering and Power Machines (PEPM’2021)
|Number of page(s)||7|
|Section||Thermal Equipment, Heat and Mass Transfer Processes|
|Published online||22 November 2021|
Energy and economic analysis of an ORC combined to steam boiler
”Dunărea de Jos” University of Galati, 47 Domneasca St., 800008 Galati, Romania
* Corresponding author: email@example.com
Energy and economic performance of an organic Rankine cycle (ORC) system designed to recycle waste heat of a steam boiler was analysed. Optimisation of ORC system was performed by using the Cycle-Tempo software and the REFPROP program. The selected working fluid was R245fa. For the exhaust gases temperature of 163°C and mass flow rate of 11.83 kg/s, cooling water temperature of 20°C resulted a gross efficiency of 21.02% and a cost of 2987 €/kW, an electricity levelised cost of 102 €/kWh and a payback period of 5.5 years.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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