Latent heat storage systems for solar thermal power plants and process heat applications / Wolf-Dieter Steinmann in Transactions of the ASME. Journal of solar energy engineering, Vol. 132 N° 2 (Mai 2010)  

Public ISBD [article]  inTransactions of the ASME. Journal of solar energy engineering > Vol. 132 N° 2 (Mai 2010) . - pp. [021003/1-5] Titre : Latent heat storage systems for solar thermal power plants and process heat applications Type de document : texte imprimé Auteurs : Wolf-Dieter Steinmann, Auteur ; Doerte Laing, Auteur ; Rainer Tamme, Auteur Année de publication : 2011 Article en page(s) : pp. [021003/1-5] Note générale : Energie Solaire Langues : Anglais (eng) Mots-clés : PCM Latent heat storage Energy Solar thermal power plants process Index. décimale : 621.47 Résumé : Solar thermal systems using absorber evaporating steam directly require isothermal energy storage. The application of latent heat storage systems is an option to fulfill this demand. This concept has been demonstrated mainly for low temperature heating and refrigeration applications, the experience for the power level and temperature range characteristic of solar process heat and solar thermal power plants is limited. Cost effective implementation of the latent heat storage concept demands low cost phase change materials (PCMs). These PCMs usually show low thermal conductivity limiting the power density during the charging/discharging process. This paper describes various approaches, which have been investigated to overcome these limitations. Based on fundamental PCM-research and laboratory-scale experiments, the sandwich concept has been identified to show the highest potential. The sandwich concept has been demonstrated successfully for three different storage units ranging from 2 kW to 100 kW at melting temperatures of 145°C and 225°C. DEWEY : 621.47 ISSN : 0199-6231 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO00013200 [...] [article] Latent heat storage systems for solar thermal power plants and process heat applications [texte imprimé] / Wolf-Dieter Steinmann, Auteur ; Doerte Laing, Auteur ; Rainer Tamme, Auteur . - 2011 . - pp. [021003/1-5]. Energie Solaire Langues : Anglais (eng) in Transactions of the ASME. Journal of solar energy engineering > Vol. 132 N° 2 (Mai 2010) . - pp. [021003/1-5] Mots-clés : PCM Latent heat storage Energy Solar thermal power plants process Index. décimale : 621.47 Résumé : Solar thermal systems using absorber evaporating steam directly require isothermal energy storage. The application of latent heat storage systems is an option to fulfill this demand. This concept has been demonstrated mainly for low temperature heating and refrigeration applications, the experience for the power level and temperature range characteristic of solar process heat and solar thermal power plants is limited. Cost effective implementation of the latent heat storage concept demands low cost phase change materials (PCMs). These PCMs usually show low thermal conductivity limiting the power density during the charging/discharging process. This paper describes various approaches, which have been investigated to overcome these limitations. Based on fundamental PCM-research and laboratory-scale experiments, the sandwich concept has been identified to show the highest potential. The sandwich concept has been demonstrated successfully for three different storage units ranging from 2 kW to 100 kW at melting temperatures of 145°C and 225°C. DEWEY : 621.47 ISSN : 0199-6231 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO00013200 [...]

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