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저온 열원으로부터 최대 동력을 생산하기 위한 유기랭킨사이클(ORC)에 관한 연구Study on Organic Rankine Cycle (ORC) for Maximum Power Extraction from Low-Temperature Energy Source
- Other Titles
- Study on Organic Rankine Cycle (ORC) for Maximum Power Extraction from Low-Temperature Energy Source
- Issue Date
- 2011
- Publisher
- 한국태양에너지학회
- Keywords
- Organic Rankine cycle; Low-temperature energy source; Patel-Teja equation of state; Maximum Power Extraction; 유기랭킨사이클; 저온열원; Patel-Teja상태방정식; 최대 동력 생산
- Citation
- 한국태양에너지학회 논문집, v.31, no.3, pp 73 - 79
- Pages
- 7
- Journal Title
- 한국태양에너지학회 논문집
- Volume
- 31
- Number
- 3
- Start Page
- 73
- End Page
- 79
- ISSN
- 1598-6411
- Abstract
- ORC(organicRankinecycle)haspotentialofreducing consumption offossilfuelsand hasmany favorable characteristics to exploit low-temperature heat sources.This work analyzes performance of ORC with superheatingusinglow-temperatureenergysourcesintheform ofsensibleenergy.Maximum massflow rateof aworkingfluidrelativetothatofasourcefluidisconsiderdtoextractmaximum powerfrom thesources.Working fluidsofR134a,iC4H10andC6H6,andsourcetemperaturesof120℃,200℃ and300℃ areconsideredinthiswork. Results show thatfora fixed source temperature thermalefficiency increases with evaporating temperaure,howevernetworkperunitmassofsourcefluidhasamaximum withrespecttotheevaporatingtemperaturein therangeoflow sourcetemperature.Resultsalsoshow thatthemaximum powerextractionispossiblewithR134a forthesourcetemperatureof120℃,withiC4H10 for200℃,andwithC6H6 for300℃.
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