태양열 온수급탕 시스템의 TRNSYS 열성능 분석
Performance Analysis of Solar Heating System for High Solar Fraction using TRNSYS
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초록
In this paper, performances of solar hot water supply systems are parametrically analyzed with the variations of solar collector area, slope of collector and volume of storage. All simulations are conducted by using TRNSYS computer program. Average solar fractions, collector efficiencies and temperatures of storage are investigated monthly as well as annually. For system analysis, the maximum value of monthly average solar fractions has a limitation of 90 percent. As a result, the designed solar thermal system with 6㎡ collector area , 50° slope and 0.36㎥ storage volume could provide almost an annual average solar fraction of 72 percent. By increasing the storage volume to 0.42㎥, the annual solar fraction of system increases up to 73 percent.
Abstract
In this paper, performances of solar hot water supply systems are parametrically analyzed with the variations of solar collector area, slope of collector and volume of storage. All simulations are conducted by using TRNSYS computer program. Average solar fractions, collector efficiencies and temperatures of storage are investigated monthly as well as annually. For system analysis, the maximum value of monthly average solar fractions has a limitation of 90 percent. As a result, the designed solar thermal system with 6㎡ collector area , 50° slope and 0.36㎥ storage volume could provide almost an annual average solar fraction of 72 percent. By increasing the storage volume to 0.42㎥, the annual solar fraction of system increases up to 73 percent.
참고문헌 (7)
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- Klein S A, "TRNSYS A Simulation Program User's Manual" (2000), Solar Energy Lab., University of Wisconsin
- A Review of Hot Water Draw Porfiles Used in Performance Analysis of Residential Domestic Hot Water Systems, "Philip. F", Florida Solar Energy Center, ~, pp.Publication No. FSEC-RR-56-04 (2004)