%0 Journal Article %1 Kontoleontos2008 %A Kontoleontos, E. %A Karytsas, C. %A Mendrinos, D. %A Georgilakis, P. %D 2008 %J Journal of Optoelectronics and Advanced Materials %K 2008 R134a Organic-Rankine-Cycle R600a geothermal power-cycle optimization %N 5 %P 1228 – 1232 %T Optimized geothermal binary power cycles %U http://inoe.inoe.ro/joam/index.php?option=magazine&op=view&idu=1391&catid=26 %V 10 %X The aim of this research is to study and recommend optimal Rankine cycles using Isobutane (R600a) and R134a as working fluids for two geothermal binary power machines. The first one (ORC machine A) should be able to generate electricity from low temperature geothermal resources, with profitable operation down to 65°C. The second one (ORC machine B) should be able to cogenerate both heat and power by heat recovery from the cooling water circuit, corresponding to geothermal fluids of 120-150ºC and cooling water supplying a district heating system at 60/80ºC. The main Rankine Cycle parameters and components are modelled, such as the shell and tube condenser and the geothermal plate heat exchanger. The objectives of the optimization are maximizing overall conversion efficiency and minimizing the cost of the plant, which is represented as minimizing the exchangers’ surface. Through this research, a set of optimal solutions for ORC machines A and B are obtained that combine maximum plant’s efficiency and minimum cost.

@article{Kontoleontos2008, abstract = {The aim of this research is to study and recommend optimal Rankine cycles using Isobutane (R600a) and R134a as working fluids for two geothermal binary power machines. The first one (ORC machine A) should be able to generate electricity from low temperature geothermal resources, with profitable operation down to 65°C. The second one (ORC machine B) should be able to cogenerate both heat and power by heat recovery from the cooling water circuit, corresponding to geothermal fluids of 120-150ºC and cooling water supplying a district heating system at 60/80ºC. The main Rankine Cycle parameters and components are modelled, such as the shell and tube condenser and the geothermal plate heat exchanger. The objectives of the optimization are maximizing overall conversion efficiency and minimizing the cost of the plant, which is represented as minimizing the exchangers’ surface. Through this research, a set of optimal solutions for ORC machines A and B are obtained that combine maximum plant’s efficiency and minimum cost.}, added-at = {2011-01-19T18:06:36.000+0100}, author = {Kontoleontos, E. and Karytsas, C. and Mendrinos, D. and Georgilakis, P.}, biburl = {https://www.bibsonomy.org/bibtex/289547d659c90ad8636f930fe9cec3b1b/thorade}, interhash = {76bdf14f46e752312c4151298ea94a1d}, intrahash = {89547d659c90ad8636f930fe9cec3b1b}, journal = {Journal of Optoelectronics and Advanced Materials}, keywords = {2008 R134a Organic-Rankine-Cycle R600a geothermal power-cycle optimization}, number = 5, pages = {1228 – 1232}, timestamp = {2011-05-26T16:37:36.000+0200}, title = {Optimized geothermal binary power cycles}, url = {http://inoe.inoe.ro/joam/index.php?option=magazine&op=view&idu=1391&catid=26}, volume = 10, year = 2008 }