In this study, solidification process inside a water filled rectangular cavity is numerically investigated. The mathematical model is validated by comparing the current numerical predictions with the available analytical, numerical, and experimental results for three different test cases: one-dimensional conduction dominated solidification, natural convection in rectangular cavity, and natural convection dominated solidification in rectangular cavity. For all three cases, some good agreements are achieved in terms of isotherms, interface positions, and streamlines. After validation, time-wise ice formations are represented, and comparisons are made between bare and finned wall cases. In addition to these, further analyses are carried out by neglecting the buoyancy forces to introduce the differences between natural convection dominated and conduction dominated models. The results emphasize that natural convection has a critical effect in actual phase change processes.
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A Study on the Importance of Natural Convection During Solidification in Rectangular Geometry
Aytunc Erek,
Aytunc Erek
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Department of Mechanical Engineering, Dokuz Eylul University
, Izmir, 35100, Turkey
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Ibrahim Dincer
Ibrahim Dincer
Faculty of Engineering and Applied Science, University of Ontario Institute of Technology (UOIT)
, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada
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Mehmet Akif Ezan
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Aytunc Erek
e-mail:
Department of Mechanical Engineering, Dokuz Eylul University
, Izmir, 35100, Turkey
Ibrahim Dincer
Faculty of Engineering and Applied Science, University of Ontario Institute of Technology (UOIT)
, 2000 Simcoe Street North, Oshawa, Ontario L1H 7K4, Canada
, e-mail: J. Heat Transfer. Oct 2011, 133(10): 102301 (9 pages)
Published Online: August 19, 2011
Article history
Received:
January 24, 2011
Revised:
May 12, 2011
Accepted:
May 13, 2011
Online:
August 19, 2011
Published:
August 19, 2011
Citation
Akif Ezan, M., Erek, A., and Dincer, I. (August 19, 2011). "A Study on the Importance of Natural Convection During Solidification in Rectangular Geometry." ASME. J. Heat Transfer. October 2011; 133(10): 102301. https://doi.org/10.1115/1.4004253
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