In this paper, numerical simulations of nucleate boiling flow bubble pumps are conducted with the commercial CFD (Computational Fluid Dynamics) package ANSYS-FLUENT. The Eulerian multiphase flow framework model was used to model the phase’s interaction. User-Defined Functions (UDFs) are provided to compute the wall heat transfer and to calculate in-ter-phase heat and mass transfer. The heat flux from the wall is divided into three parts according to a wall heat partitioning model based on three mechanisms including convective heat for heating the bulk liquid, evaporative heat for generating vapor and quench heat for heating the liquid in the nucleation sites. The rate of vapor formation is obtained by adding the mass exchange at the bubble surface and the bubble formation due to heat flux at the wall. Constant heat fluxes are applied to the stainless-steel made tube wall. In the simulation results we discuss the radial temperature distribution and the radial and axial profiles of the vapor void fraction in the pipe to localize the onset of vapor generation in the pump tube.
| Published in | International Journal of Fluid Mechanics & Thermal Sciences (Volume 1, Issue 2) |
| DOI | 10.11648/j.ijfmts.20150102.14 |
| Page(s) | 36-41 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2015. Published by Science Publishing Group |
Boiling Flow, Bubble Pump, CFD
| [1] | Von Platen BC, Munters CG. US Patent 1, 685,764; 1928. |
| [2] | A. Alizadehdakhel, M. Rahimi, A. AbdulazizAlsairafi, CFD modeling of flow and heat transfer in a thermosyphon, International Communications in Heat and Mass Transfer, 37 (2010) 312–318. |
| [3] | S. Narumanchi, A. Troshko, D. Bharathan, V. Hassani, Numerical simulations of nucleate boiling in impinging jets: Applications in power electronics cooling, International Journal of Heat and Mass Transfer, 51(2008)1–12. |
| [4] | X. Li, R. Wang , R. Huang, Y. Shi, Numerical investigation of boiling flow of nitrogen in a vertical tube using the two-fluid model, Applied Thermal Engineering, 26 (2006) 2425–2432. |
| [5] | B. Koncar, I. Kljenak, B. Mavko, Modeling of local two-phase flow parameters in upward subcooled flow boiling at low pressure, International Journal of Heat and Mass Transfer, 47 ( 2004) 1499–1513. |
| [6] | N. Kurul, M.Z. Podowski, Multidimensional effects in forced convection subcooled boiling, Ninth International Heat Transfer Conference, Jerusalem, Israel, August 19-24, 1-BO-04 (1990) 21–26. |
| [7] | R.M. Podowski, D.A. Drew, R.T.J. Lahey, M.Z. Podowski, A mechanistic model of the ebullition cycle in forced convection subcooled boiling, Eighth International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Kyoto, Japan, 3 (1997)1535–1542. |
| [8] | F.J. Moraga, F.J. Bonetto, R.T. Lahey, Lateral forces on spheres in turbulent uniform shear flow, Int. J. Multiphase Flow, 25 (1999)1321–1372. |
| [9] | D.B.R. Kenning, H.T. Victor, Fully-developed nucleate boiling: Overlap of areas of influence and interference between bubble sites, Int. J. Heat Mass Transfer 2 (1981)1025-1032. |
| [10] | ANSYS FLUENT Theory Guide. Release 12.0. ANSYS, Inc. April 2009. |
| [11] | R. Garma, Y. Stiriba, M. Bourouis, A. Bellagi, Numerical Investigations of the Heating Distribution Effect on the Boiling Flow in the Bubble Pumps, International Journal Of Hydrogen Energy,39 (2014) 15256–15260. |
APA Style
R. Garma, M. Bourouis, A. Bellagi. (2015). Numerical Investigation of Nucleate Boiling Flow in Water Based Bubble Bumps. International Journal of Fluid Mechanics & Thermal Sciences, 1(2), 36-41. https://doi.org/10.11648/j.ijfmts.20150102.14
ACS Style
R. Garma; M. Bourouis; A. Bellagi. Numerical Investigation of Nucleate Boiling Flow in Water Based Bubble Bumps. Int. J. Fluid Mech. Therm. Sci. 2015, 1(2), 36-41. doi: 10.11648/j.ijfmts.20150102.14
AMA Style
R. Garma, M. Bourouis, A. Bellagi. Numerical Investigation of Nucleate Boiling Flow in Water Based Bubble Bumps. Int J Fluid Mech Therm Sci. 2015;1(2):36-41. doi: 10.11648/j.ijfmts.20150102.14
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Download@article{10.11648/j.ijfmts.20150102.14,
author = {R. Garma and M. Bourouis and A. Bellagi},
title = {Numerical Investigation of Nucleate Boiling Flow in Water Based Bubble Bumps},
journal = {International Journal of Fluid Mechanics & Thermal Sciences},
volume = {1},
number = {2},
pages = {36-41},
doi = {10.11648/j.ijfmts.20150102.14},
url = {https://doi.org/10.11648/j.ijfmts.20150102.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijfmts.20150102.14},
abstract = {In this paper, numerical simulations of nucleate boiling flow bubble pumps are conducted with the commercial CFD (Computational Fluid Dynamics) package ANSYS-FLUENT. The Eulerian multiphase flow framework model was used to model the phase’s interaction. User-Defined Functions (UDFs) are provided to compute the wall heat transfer and to calculate in-ter-phase heat and mass transfer. The heat flux from the wall is divided into three parts according to a wall heat partitioning model based on three mechanisms including convective heat for heating the bulk liquid, evaporative heat for generating vapor and quench heat for heating the liquid in the nucleation sites. The rate of vapor formation is obtained by adding the mass exchange at the bubble surface and the bubble formation due to heat flux at the wall. Constant heat fluxes are applied to the stainless-steel made tube wall. In the simulation results we discuss the radial temperature distribution and the radial and axial profiles of the vapor void fraction in the pipe to localize the onset of vapor generation in the pump tube.},
year = {2015}
}
TY - JOUR T1 - Numerical Investigation of Nucleate Boiling Flow in Water Based Bubble Bumps AU - R. Garma AU - M. Bourouis AU - A. Bellagi Y1 - 2015/06/17 PY - 2015 N1 - https://doi.org/10.11648/j.ijfmts.20150102.14 DO - 10.11648/j.ijfmts.20150102.14 T2 - International Journal of Fluid Mechanics & Thermal Sciences JF - International Journal of Fluid Mechanics & Thermal Sciences JO - International Journal of Fluid Mechanics & Thermal Sciences SP - 36 EP - 41 PB - Science Publishing Group SN - 2469-8113 UR - https://doi.org/10.11648/j.ijfmts.20150102.14 AB - In this paper, numerical simulations of nucleate boiling flow bubble pumps are conducted with the commercial CFD (Computational Fluid Dynamics) package ANSYS-FLUENT. The Eulerian multiphase flow framework model was used to model the phase’s interaction. User-Defined Functions (UDFs) are provided to compute the wall heat transfer and to calculate in-ter-phase heat and mass transfer. The heat flux from the wall is divided into three parts according to a wall heat partitioning model based on three mechanisms including convective heat for heating the bulk liquid, evaporative heat for generating vapor and quench heat for heating the liquid in the nucleation sites. The rate of vapor formation is obtained by adding the mass exchange at the bubble surface and the bubble formation due to heat flux at the wall. Constant heat fluxes are applied to the stainless-steel made tube wall. In the simulation results we discuss the radial temperature distribution and the radial and axial profiles of the vapor void fraction in the pipe to localize the onset of vapor generation in the pump tube. VL - 1 IS - 2 ER -
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