Performance comparison between enthalpy recovery wheels and dehumidification wheels / Rang, Tu in International journal of refrigeration, Vol. 36 N° 8 (Décembre 2013)  

Public ISBD [article]  inInternational journal of refrigeration > Vol. 36 N° 8 (Décembre 2013) . - pp. 2308-2322 Titre : Performance comparison between enthalpy recovery wheels and dehumidification wheels Titre original : Comparaison des performances entre les roues de récupération d'enthalpie et les roues déshydratantes Type de document : texte imprimé Auteurs : Rang, Tu, Auteur ; Xiao-Hua, Liu, Auteur ; Yi, Jiang, Auteur Année de publication : 2014 Article en page(s) : pp. 2308-2322 Note générale : Refrigeration Langues : Anglais (eng) Mots-clés : Desiccant wheel  dehumidification  enthalpy  recovery  speed  performance Résumé : A mathematical model of desiccant wheels is established and validated by experimental results. The different effects of substrate, air mixing, and rotation speed on the performance of enthalpy recovery wheels and dehumidification wheels are analyzed. Substrate with high heat capacity and low heat conductivity is recommended for enthalpy recovery wheels, while substrate with low heat capacity and low heat conductivity is suitable for dehumidification wheels. Air mixing should be considered in evaluating recovery wheels' performance but can be ignored for dehumidification wheels. For recovery wheels without considering air mixing, higher the rotation speed, higher the recovery efficiency; when considering air mixing, the optimal rotation speed is lower than the corresponding rotation speed at a 5% air mixing rate. There also exists an optimal rotation speed to obtain better dehumidification performance for dehumidification wheels. Meanwhile, the reasons behind the discrepancies between recovery wheels and dehumidification wheels are discussed. En ligne : http://www.sciencedirect.com/science/article/pii/S0140700713001795 [article] Performance comparison between enthalpy recovery wheels and dehumidification wheels = Comparaison des performances entre les roues de récupération d'enthalpie et les roues déshydratantes [texte imprimé] / Rang, Tu, Auteur ; Xiao-Hua, Liu, Auteur ; Yi, Jiang, Auteur . - 2014 . - pp. 2308-2322. Refrigeration Langues : Anglais (eng) in International journal of refrigeration > Vol. 36 N° 8 (Décembre 2013) . - pp. 2308-2322 Mots-clés : Desiccant wheel  dehumidification  enthalpy  recovery  speed  performance Résumé : A mathematical model of desiccant wheels is established and validated by experimental results. The different effects of substrate, air mixing, and rotation speed on the performance of enthalpy recovery wheels and dehumidification wheels are analyzed. Substrate with high heat capacity and low heat conductivity is recommended for enthalpy recovery wheels, while substrate with low heat capacity and low heat conductivity is suitable for dehumidification wheels. Air mixing should be considered in evaluating recovery wheels' performance but can be ignored for dehumidification wheels. For recovery wheels without considering air mixing, higher the rotation speed, higher the recovery efficiency; when considering air mixing, the optimal rotation speed is lower than the corresponding rotation speed at a 5% air mixing rate. There also exists an optimal rotation speed to obtain better dehumidification performance for dehumidification wheels. Meanwhile, the reasons behind the discrepancies between recovery wheels and dehumidification wheels are discussed. En ligne : http://www.sciencedirect.com/science/article/pii/S0140700713001795

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