부하를 고려한 태양열온수시스템의 일간 집열효율에 대한 실험적 분석
An Experimental Study on Daily Efficiency of Solar Collector with Heating Loads of Solar Water Heating System
1
조회
0
다운로드
3
인용
0
참고문헌
키워드
초록
Thispaperdescribesan experimentalstudy on efficiency ofsolarcollectorin solarwaterheating system connectedtohourlywaterheatingload.Ingeneral,thefunctionalform ofsolarefficiencyisexpressedasafunction offluidtemperatureenteringsolarcollector,ambienttemperature,andsolarirradiance.Whenenergysavingfrom solarheating ofwaterheating system isanalyzed on along-term basissuch asoneyearwith given solar irradiancedata,simplified analysisismoreconvenientthan detailed system simulation forquick assessment. However,thefunctionalform oftheefficiency isnotconvenientforapproximately simplified energy analysis becausetheinlettemperaturecanbeobtainedthroughadetailedsystem simulation.Inthestudy,solarcollector efficiencyisobtainedwithvariousdailywaterheatingloadsanddailysolarirradiance usingexperimentaltests. Thestudyalsoconsiderslargeresidentialbuildingssuchasapartmentbuildingsforapplicationofsolarwater heatingsystems.From testresults,itisfoundthatdailysolarcollectorefficiencyisproportionaltodailywater heatingloadsanddailysolarirradiance.Thedataobtainedfrom thestudycanbeutilizedtofindafunctional relationbetweendailysolarirradianceanddailyheatingloadinsteadofcollectorinlettemperatureforapplication ofsolarcollectorefficiencytolong-term approximatedenergyanalysisofsolarheatingsystem.
Abstract
Thispaperdescribesan experimentalstudy on efficiency ofsolarcollectorin solarwaterheating system connectedtohourlywaterheatingload.Ingeneral,thefunctionalform ofsolarefficiencyisexpressedasafunction offluidtemperatureenteringsolarcollector,ambienttemperature,andsolarirradiance.Whenenergysavingfrom solarheating ofwaterheating system isanalyzed on along-term basissuch asoneyearwith given solar irradiancedata,simplified analysisismoreconvenientthan detailed system simulation forquick assessment. However,thefunctionalform oftheefficiency isnotconvenientforapproximately simplified energy analysis becausetheinlettemperaturecanbeobtainedthroughadetailedsystem simulation.Inthestudy,solarcollector efficiencyisobtainedwithvariousdailywaterheatingloadsanddailysolarirradiance usingexperimentaltests. Thestudyalsoconsiderslargeresidentialbuildingssuchasapartmentbuildingsforapplicationofsolarwater heatingsystems.From testresults,itisfoundthatdailysolarcollectorefficiencyisproportionaltodailywater heatingloadsanddailysolarirradiance.Thedataobtainedfrom thestudycanbeutilizedtofindafunctional relationbetweendailysolarirradianceanddailyheatingloadinsteadofcollectorinlettemperatureforapplication ofsolarcollectorefficiencytolong-term approximatedenergyanalysisofsolarheatingsystem.
참고문헌 (11)
- 윤종호, "공동주택의 열부하 및 탄소배출량 저감을 위한 태양열시스템의 최적 적용 방안 연구", 한국태양에너지학회 논문집, 31(2), pp.1~7 (2011), 한국태양에너지학회
- J.A.Duffie, "Solar engineering of thermal processes, Third edition" (2006), John Wiley & Sons
- British Standard, "BS EN 12975-2:2006, Thermal solar systems and components. Solar collectors", Test methods, ~ (2006)
- ASHRAE, "ANSI", ASHRAE Standard 93-2010, Methods of testing to determine the thermal performance of solar collectors, 2010
- "KS, KS R ISO 9806-1:2003, 태양열집열기 시험 방법", ~ (2003)
- 에너지관리공단, "신재생에너지설비 설비심사 세부기준-태양열집열기", ~ (2007)
- 정상웅, "지역난방 공동주택에서의 급탕량 및 열 소비특성에 관한 연구 : 경기도 고양시 사례연구", 석사, pp.2005
- "LabVIEW, National Instruments", ~
- 윤종호, "한국에서의 제로에너지하우스 현황과 전망", 태양건축과 에너지전환 국제웍샵 (2003)
- 허나리, "일기예보를 이용한 일사량 예측기법개발", 한국건축친환경설비학회 2010 추계학술발표대회 (2010)
- 조덕기, "운량을 고려한 국내 16개 지역의 일사량 예측방법", 한국태양에너지학회 논문집, 30(4), pp.15~21 (2010), 한국태양에너지학회