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Study on Development of Subroutine based on TRNSYS for Unglazed Transpired Air Collector System  

Park, J.U. (Department of Renewable Energy, Korean Institute of Energy Research)
Lee, E.J. (Department of Renewable Energy, Korean Institute of Energy Research)
Chung, M. (Department of Mechanical Engineering, Yeungnam University)
Publication Information
Journal of the Korean Solar Energy Society / v.23, no.2, 2003 , pp. 81-90 More about this Journal
Abstract
UTAC(unglazed transpired air collector) system has unique advantage for space heating and tempering ventilation air over the conventional collector system such as flat plate and vacuum collector. UTAC can improve radiative and convective loss due to nonglazed component and enhanced plate surface configuration. and heating energy and its equivalent green house emission performance can be improved from the use of this like collector in building application. The Option D Calibration simulation approach of IPMVP(International Performance Measurement and Verification Protocol) in ESCO businesses has been recommended to use of the calibrated computer modules like these Energy-10. DOE2.1E and TRNSYS(transient system simulation). This study is to develop subroutine type-203 of TRNSYS15.2 program and appraise thermal performance of UTAC. With newely addeded subroutine type-203. 1) Thermal performance of unglazed transpired collector could be possible based on dimensionless variables such as efficiency and heat exchanger effectiveness. and 2) Assessement of energy consists of solar useful and insulation saving for UTAC could be possible.
Keywords
UTAC; TRNSYS; Collector efficiency; Heat exchanger effectiveness;
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