Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

On the Intrinsic Properties Effects of the Heater Surface in Nucleate Pool Boiling: A Simulation Study

Version 1 : Received: 26 December 2023 / Approved: 26 December 2023 / Online: 27 December 2023 (04:22:30 CET)

How to cite: Mazzitello, K.; Masson, V.; Marcel, C. On the Intrinsic Properties Effects of the Heater Surface in Nucleate Pool Boiling: A Simulation Study. Preprints 2023, 2023121986. https://doi.org/10.20944/preprints202312.1986.v1 Mazzitello, K.; Masson, V.; Marcel, C. On the Intrinsic Properties Effects of the Heater Surface in Nucleate Pool Boiling: A Simulation Study. Preprints 2023, 2023121986. https://doi.org/10.20944/preprints202312.1986.v1

Abstract

This study explores how the properties of heater materials impact nucleate pool boiling using a comprehensive simulation model. The model integrates well-known heat transfer mechanisms, allowing us to assess the effects of two distinct heater materials. Findings indicate that materials with higher thermal conductivity, such as copper, notably improve refrigeration efficiency in nucle- ate boiling. The study provides insights into the relationship between bubble growth, microlayer recovery beneath a bubble, temperature fluctuations, and heater properties. Comparisons between copper and silicon oxide underscore variations in bubble frequency, attributed to differences in bubble growth time, microlayer recovery time, and material-dependent behavior. The influence of neighboring bubbling sites, especially pronounced in silicon oxide due to its low thermal conductivity and diffusivity, was observed. Temperature variations in such materials became highly visible due to their significant inertia in recovery. Simulation results align well with empirical correlations, confirming the model’s versatility in capturing the intricate phenomena of nucleate pool boiling.

Keywords

Fluids; Numerical Simulations; Two Phases; Nucleate pool boiling

Subject

Physical Sciences, Fluids and Plasmas Physics

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