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Performances investigation of two parallel PTCs driven by one linear compressor / X. J. Chang in International journal of refrigeration, Vol. 34 N° 3 (Mai 2011) 

Public ISBD [article]  in International journal of refrigeration > Vol. 34 N° 3 (Mai 2011) . - pp. 773-780 Titre : Performances investigation of two parallel PTCs driven by one linear compressor Titre original : Etude sur la performance de deux cryorefroidisseurs à tube à pulsation parallèles entraînés par un compresseur linéaire unique Type de document : texte imprimé Auteurs : X. J. Chang, Auteur ; L.W. Yang, Auteur ; J.T. Liang, Auteur Année de publication : 2011 Article en page(s) : pp. 773-780 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Cryocooler  Pulse  tube  Parallel  Power  Distribution  Simulation  Connection  tube Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : To achieve refrigeration at different positions, we tried out pairs of different coaxial pulse tube cryocoolers (PTCs) driven in parallel by a single compressor and set up an experimental apparatus. The refrigerating performances of different PTC combinations are investigated through simulation and experiments. The distribution of output PV power between the PTCs is analysed by comparing the refrigeration performance for single PTC operation to that of two PTCs operated in parallel. Experiments and simulation results show that a typical combination consisting of PTC1 (diameter of cold finger: 14 mm) and PTC2-1 (diameter of cold finger: 10 mm) can simultaneously achieve refrigeration capacities of around 0.5 W at 60 K and 0.5 W at 80 K. The combination of two samples (PTC2-1 + PTC2-2) of the same type of PTC shows a non-uniformity of refrigerating performances. Power distribution among the PTCs depends mainly on the size of the pulse tubes and the phase change. The length of the connection tube has significant influence on the refrigeration performances of two parallel PTCs in the experiments. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700710002215 [article] Performances investigation of two parallel PTCs driven by one linear compressor = Etude sur la performance de deux cryorefroidisseurs à tube à pulsation parallèles entraînés par un compresseur linéaire unique [texte imprimé] / X. J. Chang, Auteur ; L.W. Yang, Auteur ; J.T. Liang, Auteur . - 2011 . - pp. 773-780. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 34 N° 3 (Mai 2011) . - pp. 773-780 Mots-clés : Cryocooler  Pulse  tube  Parallel  Power  Distribution  Simulation  Connection  tube Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : To achieve refrigeration at different positions, we tried out pairs of different coaxial pulse tube cryocoolers (PTCs) driven in parallel by a single compressor and set up an experimental apparatus. The refrigerating performances of different PTC combinations are investigated through simulation and experiments. The distribution of output PV power between the PTCs is analysed by comparing the refrigeration performance for single PTC operation to that of two PTCs operated in parallel. Experiments and simulation results show that a typical combination consisting of PTC1 (diameter of cold finger: 14 mm) and PTC2-1 (diameter of cold finger: 10 mm) can simultaneously achieve refrigeration capacities of around 0.5 W at 60 K and 0.5 W at 80 K. The combination of two samples (PTC2-1 + PTC2-2) of the same type of PTC shows a non-uniformity of refrigerating performances. Power distribution among the PTCs depends mainly on the size of the pulse tubes and the phase change. The length of the connection tube has significant influence on the refrigeration performances of two parallel PTCs in the experiments. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700710002215