4.7 Article

Modeling seasonal solar thermal energy storage in a large urban residential building using TRNSYS 16

期刊

ENERGY AND BUILDINGS
卷 45, 期 -, 页码 28-31

出版社

ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2011.10.023

关键词

TRNSYS; Solar thermal storage; Seasonal storage; Urban buildings

资金

  1. Virginia Commonwealth University

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Space heating, primarily using fossil fuels, is a major component of US energy consumption. Seasonal solar thermal energy storage (SSTES) provides a method to store solar thermal energy collected in the summer to use for heating in the colder months. Solar collectors are used to heat a sand bed, which retains its thermal energy through the winter. That energy is then sent into the building via radiant floors for space heating use. A sand-based storage bed SSTES system for a new five story student housing complex at Virginia Commonwealth University is modeled using TRNSYS Version 16 software. A total of 15 simulations of various storage bed locations and configurations as well as building efficiencies are modeled to determine whether a system is feasible for an urban environment. Substantial energy savings are possible within the small footprint required by city lots. Up to 91% of energy for this large building can be provided by the most efficient SSTES system. (C) 2011 Elsevier B.V. All rights reserved.

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