Bouazaoui, K. and Agounoun, R. and Sbai, K. and Zoubir, A. and Kadiri, I. and Rahmoune, M. and Saadani, R. (2017) Experimental and numerical study of pool boiling heat transfer of liquid nitrogen LN2: Application to the brass ribbon cooling in horizontal position. International Journal of Mechanical and Mechatronics Engineering, 17 (2). pp. 74-82.

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The pool boiling phenomenon is used for the cooling of walls in several areas such as refrigeration and electrical energy production, in order to cope with the problems of thermal dissipation that limit significantly the current densities of operation. To quantify the thermal exchanges in pool boiling, we realized in one hand an experimental study of liquid nitrogen in steady and transient state regimes. This investigation has been realized on a brass ribbon in a horizontal position subjected to different heat flux densities. The results obtained allow to contribute to a better understanding of heat transfer in a nucleate boiling system and to highlight the nucleation phenomenon. On the other hand, a first numerical attempt is carried out to investigate the natural convection area in pool boiling. The heat equation is solved by the Finite-Differences method in order to model the temperature distribution of the ribbon, than the numerical results are compared with experimental data.

Item Type: Article
Subjects: Engineering
Divisions: SCIENTIFIC PRODUCTION > Engineering
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:47

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