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Study on formation of ice slurry by W/O emulsion (discussion for promoting propagation of supercooling dissolution due to AC voltage impression) / Koji Matsumoto in International journal of refrigeration, Vol. 33 N° 8 (Décembre 2010) 

Public ISBD [article]  in International journal of refrigeration > Vol. 33 N° 8 (Décembre 2010) . - pp. 1598-1604 Titre : Study on formation of ice slurry by W/O emulsion (discussion for promoting propagation of supercooling dissolution due to AC voltage impression) Titre original : Etude sur la génération de coulis de glace à l’aide d’une émulsion eau-huile (discussion sur la proportion de la propagation de la dissolution surrefroidie sous l’effet d’une tension électrique alternative) Type de document : texte imprimé Auteurs : Koji Matsumoto, Auteur ; Hirofumi Yamauchi, Auteur ; Yoshikazu Teraoka, Auteur Année de publication : 2011 Article en page(s) : pp. 1598-1604 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Ice  slurry  Emulsion  Water  Oil  Review  Process  Electric  field  Alternating  current Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : In an ice storage system, use of a water-in-oil (W/O) emulsion is an effective means of forming ice slurry. It is possible to form ice slurry by cooling the emulsion without the adhesion of ice to a cooling wall because water contained in the emulsion does not come in direct contact with the cooling wall. However, the start of propagation of supercooling dissolution barely occurs and the subsequent rate of propagation is much slower. In a previous study, it was clarified that DC voltage impression to the emulsion was effective in promoting the propagation of supercooling dissolution of the emulsion. In the present paper, the validity of applying an AC voltage to the emulsion in place of a DC voltage is discussed. Moreover, under a fixed composition ratio of water and oil in the emulsion, influences of varying the magnitudes of the applied AC voltage and frequency on the propagation process are clarified. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700709002400 [article] Study on formation of ice slurry by W/O emulsion (discussion for promoting propagation of supercooling dissolution due to AC voltage impression) = Etude sur la génération de coulis de glace à l’aide d’une émulsion eau-huile (discussion sur la proportion de la propagation de la dissolution surrefroidie sous l’effet d’une tension électrique alternative) [texte imprimé] / Koji Matsumoto, Auteur ; Hirofumi Yamauchi, Auteur ; Yoshikazu Teraoka, Auteur . - 2011 . - pp. 1598-1604. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 33 N° 8 (Décembre 2010) . - pp. 1598-1604 Mots-clés : Ice  slurry  Emulsion  Water  Oil  Review  Process  Electric  field  Alternating  current Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : In an ice storage system, use of a water-in-oil (W/O) emulsion is an effective means of forming ice slurry. It is possible to form ice slurry by cooling the emulsion without the adhesion of ice to a cooling wall because water contained in the emulsion does not come in direct contact with the cooling wall. However, the start of propagation of supercooling dissolution barely occurs and the subsequent rate of propagation is much slower. In a previous study, it was clarified that DC voltage impression to the emulsion was effective in promoting the propagation of supercooling dissolution of the emulsion. In the present paper, the validity of applying an AC voltage to the emulsion in place of a DC voltage is discussed. Moreover, under a fixed composition ratio of water and oil in the emulsion, influences of varying the magnitudes of the applied AC voltage and frequency on the propagation process are clarified. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700709002400

Study on formation of ice slurry by W/O emulsion (discussion for promoting propagation of supercooling dissolution due to DC voltage impression) / Koji Matsumoto in International journal of refrigeration, Vol. 33 N° 8 (Décembre 2010) 

Public ISBD [article]  in International journal of refrigeration > Vol. 33 N° 8 (Décembre 2010) . - pp. 1590-1597 Titre : Study on formation of ice slurry by W/O emulsion (discussion for promoting propagation of supercooling dissolution due to DC voltage impression) Titre original : Etude sur la génération de coulis de glace à l'aide d'une émulsion eau-huile (discussion sur la proportion de la propagation de la dissolution surrefroidie sous l'effet d'une tension électrique continue) Type de document : texte imprimé Auteurs : Koji Matsumoto, Auteur ; Hirofumi Yamauchi, Auteur ; Yoshikazu Teraoka, Auteur Année de publication : 2011 Article en page(s) : pp. 1590-1597 Note générale : Génie Mécanique Langues : Anglais (eng) Mots-clés : Energy  storage  Ice  slurry  Emulsion  Freezing  Supercooling Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : This study is focused on a W/O (water-in-oil) emulsion with 60–80% water contents for formation of ice slurry in ice storage system. The emulsion is made of oil–water mixture with a little amino group modified silicone oil additive. Ice slurry could be formed by cooling the emulsion without ice adhesion to a cooling wall because of its structural feature. However, it was found that propagation of supercooling dissolution of the emulsion hardly started and the propagation rate was much slower. In this study, in order to promote propagation of supercoolng dissolution of the emulsion without ice nucleus charging, the DC voltage is applied to the emulsion during the cooling process. And then, influences of the magnitude of applied voltage, the composition ratio of water and oil (water content), and the distance between electrodes on the propagation process are clarified. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700709002333 [article] Study on formation of ice slurry by W/O emulsion (discussion for promoting propagation of supercooling dissolution due to DC voltage impression) = Etude sur la génération de coulis de glace à l'aide d'une émulsion eau-huile (discussion sur la proportion de la propagation de la dissolution surrefroidie sous l'effet d'une tension électrique continue) [texte imprimé] / Koji Matsumoto, Auteur ; Hirofumi Yamauchi, Auteur ; Yoshikazu Teraoka, Auteur . - 2011 . - pp. 1590-1597. Génie Mécanique Langues : Anglais (eng) in International journal of refrigeration > Vol. 33 N° 8 (Décembre 2010) . - pp. 1590-1597 Mots-clés : Energy  storage  Ice  slurry  Emulsion  Freezing  Supercooling Index. décimale : 621.5 Energie pneumatique. Machinerie et outils. Réfrigération Résumé : This study is focused on a W/O (water-in-oil) emulsion with 60–80% water contents for formation of ice slurry in ice storage system. The emulsion is made of oil–water mixture with a little amino group modified silicone oil additive. Ice slurry could be formed by cooling the emulsion without ice adhesion to a cooling wall because of its structural feature. However, it was found that propagation of supercooling dissolution of the emulsion hardly started and the propagation rate was much slower. In this study, in order to promote propagation of supercoolng dissolution of the emulsion without ice nucleus charging, the DC voltage is applied to the emulsion during the cooling process. And then, influences of the magnitude of applied voltage, the composition ratio of water and oil (water content), and the distance between electrodes on the propagation process are clarified. DEWEY : 621.5 ISSN : 0140-7007 En ligne : http://www.sciencedirect.com/science/article/pii/S0140700709002333