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Title: Application of cold thermal energy storage (CTES) for building demand management in hot climates
Authors: Comodi, Gabriele
Carducci, Francesco
Nagarajan, Balamurugan
Romagnoli, Alessandro
Keywords: Cold thermal energy storage
Sensible heat storage
Issue Date: 2016
Source: Comodi, G., Carducci, F., Nagarajan, B., & Romagnoli, A. (2016). Application of cold thermal energy storage (CTES) for building demand management in hot climates. Applied Thermal Engineering, 103, 1186-1195.
Series/Report no.: Applied Thermal Engineering
Abstract: This paper investigates the feasibility of Cold Thermal Energy Storage (CTES) for building demand management applications in hot climate characterized by a cooling season lasting all year long. An existing office building, located in Singapore, serves as case study. The CTES is coupled to the existing cooling systems in order to address the opportunity of improving overall energy efficiency and to perform price arbitrage, exploiting the spread between peak and off-peak energy tariffs. Six different sizes for the CTES are analyzed, addressing different percentage of the daily cooling energy demand. A new index, Savings per energy unit, is defined to assess the effectiveness of CTES. Results indicate that it is possible to enhance the efficiency of the whole cooling system, achieving both energy and economic savings. The payback periods of the different solutions range from a minimum of 8.9 years to a maximum of 16 years. All these aspects make CTES applications a viable option. However, a large amount of space in direct proximity to the building is necessary and, especially in largely urban environment, this is not always available.
ISSN: 1359-4311
DOI: 10.1016/j.applthermaleng.2016.02.035
Rights: © 2016 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Applied Thermal Engineering, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
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