한국신재생에너지학회:학술대회논문집
- 2008.05a
- /
- Pages.626-629
- /
- 2008
Simulation of a geothermal power generation system using the Kalina cycle
칼리나 사이클을 이용한 지열발전 시스템의 시뮬레이션
- Chang, Ki-Chang ;
- Baik, Young-Jin ;
- Kim, Min-Sung ;
- Lee, Young-Soo ;
- Park, Seong-Ryong ;
- Ra, Ho-Sang
- 장기창 (한국에너지기술연구원 지열에너지연구센터) ;
- 백영진 (한국에너지기술연구원 지열에너지연구센터) ;
- 김민성 (한국에너지기술연구원 지열에너지연구센터) ;
- 이영수 (한국에너지기술연구원 지열에너지연구센터) ;
- 박성룡 (한국에너지기술연구원 지열에너지연구센터) ;
- 나호상 (한국에너지기술연구원 지열에너지연구센터)
- Published : 2008.05.22
Abstract
In this study, a geothermal power generation system using the Kalina cycle was investigated by the simulation method. The Kalina cycle system can be used for the utilization of a low-temperature heat sources such as geothermal and industrial waste heat that are not hot enough to produce steam. The sea/river water can be considered as a cooling media. A steady-state simulation model was developed to analyze and optimize its performance. The model contains a turbine, a pump, an expansion valve and heat exchangers. The turbine and pump were modelled by an isentropic efficiency, while a condenser, an evaporator and a regenerative heat exchanger were modeled by UA-LMTD method with a counter-flow assumption. The effect of the ammonia fraction at the separator inlet on the cycle performance is investigated in detail.