Numerical simulation of bubble collapse between two parallel walls and saturated film boiling on a sphere

A review of numerical simulation of pool boiling is presented. Details of the numerical models and results obtained for single bubble, multiple bubbles, nucleate boiling, and film boiling are provided. The effect of such parameters such as wall superheat, liquid subcooling, contact angle, gravity level, noncondensables, and conjugate heat transfer are also included. The numerical simulation results have been validated with data from well designed experiments.

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Numerical simulation of magnetic nanofluid (MNF) film boiling using the VOSET method in presence of a uniform magnetic field

International Journal of Heat and Mass Transfer ◽

10.1016/j.ijheatmasstransfer.2018.12.148 ◽

2019 ◽

Vol 134 ◽

pp. 17-29 ◽

Cited By ~ 6

Author(s):

Kaikai Guo ◽

Huixiong Li ◽

Yuan Feng ◽

Tai Wang ◽

Jianfu Zhao

Keyword(s):

Magnetic Field ◽

Numerical Simulation ◽

Uniform Magnetic Field ◽

Film Boiling ◽

Magnetic Nanofluid

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THE NUMERICAL SIMULATION OF UNSTEADY CAVITATION EVOLUTION INDUCED BY PRESSURE WAVE

International Journal of Modern Physics Conference Series ◽

10.1142/s2010194514603743 ◽

2014 ◽

Vol 34 ◽

pp. 1460374

Author(s):

B.C. KHOO ◽

J.G. ZHENG

Keyword(s):

Numerical Simulation ◽

Cavitation Bubble ◽

Pressure Wave ◽

External Perturbation ◽

Compressible Liquid ◽

Cavitating Flow ◽

Bubble Collapse ◽

Material Erosion ◽

Noise Vibration ◽

Compressibility Effects

The present study is focused on the numerical simulation of pressure wave propagation through the cavitating compressible liquid flow, its interaction with cavitation bubble and the resulting unsteady cavitation evolution. The compressibility effects of liquid water are taken into account and the cavitating flow is governed by one-fluid cavitation model which is based on the compressible Euler equations with the assumption that the cavitation is the homogeneous mixture of liquid and vapour which are locally under both kinetic and thermodynamic equilibrium. Several aspects of the method employed to solve the governing equations are outlined. The unsteady features of cavitating flow due to the external perturbation, such as the cavitation deformation and collapse and consequent pressure increase are resolved numerically and discussed in detail. It is observed that the cavitation bubble collapse is accompanied by the huge pressure surge of order of 100 bar, which is thought to be responsible for the material erosion, noise, vibration and loss of efficiency of operating underwater devices.

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NATURAL CONVECTION IN A CYLINDRICAL SECTION WITH A STATIC PROTRUSION: NUMERICAL SIMULATION RELEVANT TO SUBCOOLED FILM BOILING

Proceeding of International Heat Transfer Conference 11 ◽

10.1615/ihtc11.3400 ◽

1998 ◽

Cited By ~ 1

Author(s):

Debjyoti Banerjee ◽

Gihun Son ◽

Dean Vijay K. Dhir

Keyword(s):

Numerical Simulation ◽

Natural Convection ◽

Film Boiling ◽

Cylindrical Section

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Numerical Simulation of Film Boiling Near Critical Pressures With a Level Set Method

Journal of Heat Transfer ◽

10.1115/1.2830042 ◽

1998 ◽

Vol 120 (1) ◽

pp. 183-192 ◽

Cited By ~ 196

Author(s):

G. Son ◽

V. K. Dhir

Keyword(s):

Experimental Data ◽

Numerical Simulation ◽

Level Set Method ◽

Level Set ◽

Vapor Phase ◽

Film Boiling ◽

Release Pattern ◽

Wall Superheat ◽

Change Effect ◽

Good Agreement

Attempts have recently been made to numerically simulate film boiling on a horizontal surface. It has been observed from experiments and numerical simulations that during film boiling the bubbles are released alternatively at the nodes and antinodes of a Taylor wave. Near the critical state, however, hydrodynamic transition in bubble release pattern has been reported in the literature. The purpose of this work is to understand the mechanism of the transition in bubble release pattern through complete numerical simulation of the evolution of the vapor-liquid interface. The interface is captured by a level set method which is modified to include the liquid-vapor phase change effect. It is found from the numerical simulation that at low wall superheats the interface moves upwards, bubbles break off, and the interface drops down alternatively at the nodes and antinodes. However, with an increase in wall superheat, stable vapor jets are formed on both the nodes and antinodes and bubbles are released from the top of the vapor columns. The numerical results are compared with the experimental data, and visual observations reported in the literature are found to be in good agreement with the data.

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