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Document IIF

Analyse numérique et expérimentale de l’effet transitoire de surfusion de l’impulsion tension sur élément thermoélectrique.

Numerical and experimental analysis of transient supercooling effect of voltage pulse on thermoelectric element.

Auteurs : SHEN L. M., XIAO F., CHEN H. X., et al.

Type d'article : Article, Article de la RIF

Résumé

This paper presents a mathematical model and its solution algorithm for analyzing the transient supercooling effect of voltage pulse on a thermoelectric element. Realistic boundary conditions, including the hot-end convection heat transfer coefficient (h) and cold-end cooling load, are considered in solving the model. The numerical simulation results show that the transient supercooling occurs when the steady input voltage experiences a step change. However, the minimum supercooling temperature (Tmts) cannot approach absolute zero as reported in previous research due to the co-existence of Joule heat and Peltier effect. There is a cost-effective h to achieve Tmts and maximum hold time of the supercooling temperature. However, the cold-end cooling load only affects Tmts. Experiments are conducted to test the transient supercooling effect of voltage pulse. The trends of the cold-end temperature responding to voltage pulses obtained in numerical simulation and experiment tests match well.

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Format PDF

Pages : 1156-1165

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    20 €

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Détails

  • Titre original : Numerical and experimental analysis of transient supercooling effect of voltage pulse on thermoelectric element.
  • Identifiant de la fiche : 30004218
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 4
  • Date d'édition : 06/2012

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