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Economic assessment of the mobilized thermal energy storage (M-TES) system for distributed heat supply
KTH, Skolan för kemivetenskap (CHE), Kemiteknik, Energiprocesser.
2013 (engelsk)Inngår i: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 104, s. 178-186Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A conceptual system, mobilized thermal energy storage system (M-TES), was proposed for distributed heat supply. The economic evaluation that is essential to identify the key issues and provide guidelines regarding system improvement was conducted in this paper. Results show that the cost using M-TES to supply heat (COH) is primarily determined by the transport distance and the heat demand. The variation of COH is proportional to the transport distance, but inversely proportional to the heat demand. According to the sensitivity study, COH is more sensitive to the price of phase change material (PCM) than other parameters, such as the transport cost. Moreover, it is possible for an M-TES system to compete with other heat supply methods, such as pellet/bio-oil/biogas/oil boiler systems and electrical air-source heat pump. When using M-TES to replace the existing system, the payback time is mainly determined by the transport distance and the heat demand. Water is another potential working fluid for M-TES system. Comparatively, using PCM is more suitable for cases with larger heat demand or longer transport distance.

sted, utgiver, år, opplag, sider
2013. Vol. 104, s. 178-186
Emneord [en]
Distributed heat supply, Economic assessment, Mobilized thermal energy storage, Payback time, Phase change material
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-118285DOI: 10.1016/j.apenergy.2012.11.010ISI: 000316152700017Scopus ID: 2-s2.0-84870870350OAI: oai:DiVA.org:kth-118285DiVA, id: diva2:605778
Merknad

QC 20130215

Tilgjengelig fra: 2013-02-15 Laget: 2013-02-14 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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