Lattice Boltzmann simulations of quasi-steady film and axisymmetric nucleate boiling

Lattice Boltzmann simulations of quasi-steady film and axisymmetric nucleate boiling

An axisymmetric multiple relaxation time lattice Boltzmann method utilizing the Shan-Chen pseudo-potential model is developed and combined with an axisymmetric finite difference approximation of the energy equation to form a hybrid method with a view toward studying axisymmetric nucleate boiling. Th...

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Veröffentlicht in:Physics of fluids (1994) 2024-03, Vol.36 (3)
Hauptverfasser: Alsadik, Tahani, Welch, Samuel W. J., Premnath, Kannan N.
Format: Artikel
Sprache:eng
Schlagworte:
Contact angle
Film boiling
Finite difference method
Nucleate boiling
Pseudopotential model
Relaxation time
Simulation
Wettability
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container_title Physics of fluids (1994)
container_volume 36
creator Alsadik, Tahani
Welch, Samuel W. J.
Premnath, Kannan N.
description An axisymmetric multiple relaxation time lattice Boltzmann method utilizing the Shan-Chen pseudo-potential model is developed and combined with an axisymmetric finite difference approximation of the energy equation to form a hybrid method with a view toward studying axisymmetric nucleate boiling. The mechanism of phase change in the Shan–Chen model is investigated, and the model is validated by simulating a Stefan problem as well as simulations of quasi-steady film boiling with comparisons to established results. Axisymmetric quasi-steady nucleate boiling is then investigated including examining the effect of the wetting properties of surfaces by varying the wettability force to vary the dynamic contact angle.
doi_str_mv 10.1063/5.0192074
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subjects Contact angle
Film boiling
Finite difference method
Nucleate boiling
Pseudopotential model
Relaxation time
Simulation
Wettability
title Lattice Boltzmann simulations of quasi-steady film and axisymmetric nucleate boiling
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