Design optimization of small-scale ORC cycles for fluctuating heat source
- Kim, Donghoi
- Mocholí Montañés, Rubén
- Riboldi, Luca
- Nord, Lars Olof
- Spale, Jan
- Novotny, Vaclav
DOIAbstract
Organic Rankine cycles (ORC) are efficient technologies for waste heat recovery (WHR) at low to mid temperatures. For the design of ORC power cycles, several thermodynamic parameters should be considered. A challenge related to small scale (<50 kW) ORC cycles is to define the optimal process given frequent variability in a heat source. Many relevant applications require robust ORC systems to perform under varying heat source loads. This is an area where the body of knowledge must be further developed. In this work, the design of small-scale ORC cycles with varying heat source conditions is addressed by means of system modelling, simulation, and optimization. A framework is presented that consists of multi-scale optimization for the desig...
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