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Title: Nucleate pool boiling investigation on a silicon test section with micro-fabricated cavities
Authors: Sanna, A
Hutter, C
Kenning, DBR
Karayiannis, TG
Sefiane, K
Nelson, RA
Keywords: Pool boiling;Mechanism;Micro-fabricated cavities;Silicon
Issue Date: 2009
Publisher: Committees of ECI International Conference
Citation: ECI International Conference on Boiling Heat Transfer, Florianopolis-SC, Brazil, 3-7 May 2009
Abstract: The basic mechanisms of nucleate boiling are still not completely understood, in spite of the many numerical and experimental studies dedicated to the topic. The use of a hybrid code allows reasonable computational times for simulations of a solid plate with a large population of artificial micro-cavities with fixed distribution. This paper analyses the guidelines for the design, through numerical simulations, of the location and sizes of micro-fabricated cavities on a new silicon test section immersed in FC-72 at the saturation temperature for different pressures with an imposed heat flux applied at the back of the plate. Particular focus is on variations of wall temperature around nucleation sites.
Appears in Collections:Mechanical and Aerospace Engineering
Dept of Mechanical Aerospace and Civil Engineering Research Papers

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