Thermal energy storage strategies for effective closed greenhouse design

Amir Vadiee and Viktoria Martin

Applied Energy, 2013, vol. 109, issue C, 337-343

Abstract: The closed greenhouse is an innovative concept in sustainable energy management. In principle, it is designed to maximize the utilization of solar energy through the seasonal storage. In a fully closed greenhouse, there is not any ventilation window. Therefore, the excess sensible and latent heat must be removed, and can be stored using seasonal and/or daily thermal storage technology. This stored excess heat can then be utilized later in order to satisfy the thermal load of the greenhouse. Thermal energy storage (TES) system should be designed based on the heating and cooling load in each specific case. Underground thermal energy storage (UTES) is most commonly chosen as seasonal storage. In addition, a stratified chilled water (SCW) storage or a phase change material (PCM) storage could be utilized as short term storage system in order to cover the daily demands and peak loads. In this paper, a qualitative economical assessment of the concept is presented. Here, a borehole thermal energy storage (BTES) system is considered as the seasonal storage, with a PCM or a SCW daily storage system to manage the peak load. A BTES primarily stores low temperature heat such that a heat pump would be needed to supply the heat at a suitable temperature.

Keywords: Heat transfer; Energy conservation; Closed greenhouse; Solar commercial building; Sustainable energy management system; Thermal energy storage system (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (28)

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DOI: 10.1016/j.apenergy.2012.12.065

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