Using thermal energy storage to replace natural gas in commercial/industrial applications
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(Published version)
Date
2018
Authors
Jacob, R.
Belusko, M.
Liu, M.
Saman, W.
Bruno, F.
Editors
Mancilla, R.
Richter, C.
Richter, C.
Advisors
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Conference paper
Citation
AIP Conference Proceedings, 2018 / Mancilla, R., Richter, C. (ed./s), vol.2033, iss.090015, pp.1-12
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Conference Name
23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017 (26 Sep 2017 - 29 Sep 2017 : Santiago, Chile)
Abstract
In the current study the feasibility of using concentrated solar power (CSP) coupled with thermal energy storage (TES) to displace gas for heating was explored. To assess the feasibility, a numerical model of an air-based encapsulated phase change storage system was developed, validated, optimised, and economically costed. The optimised air-based EPCM system utilised a high and low melting temperature PCM with a sensible filler. It was found that a capsule radius of 10 mm and PCM volume of 13 % resulted in the lowest cost of discharged energy of $25.55/kWht. This system was then coupled to typical meteorological year (TMY) solar data for Adelaide, South Australia, to simulate performance of a 1 MWt heat load over a year. By solving an hourly system generation and demand profile, it was found that the system could provide an economical alternative to gas when the gas price was $20/GJ for a variety of demand profiles
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Copyright 2018 The Author(s).
Access Condition Notes: Published version available after 1 January 2020