To predict nucleate boiling, a novel semimechanistic wall boiling model is developed within a mixture multiphase flow framework available in ansys fluent. The mass transfer phenomenon is modeled using an evaporation–condensation model, and enhancement of wall-to-fluid heat transfer due to nucleate boiling is captured using a 1D empirical correlation, modified for 3D computational fluid dynamics (CFD) environment; hence this model can be used for a complex-shaped coolant passage. For a series of operating conditions, the present model is rigorously validated against available experimental data in which a 50% volume mixture of aqueous ethylene glycol was used as coolant. Subsequently, this model is applied to study boiling heat transfer for a typical automobile exhaust gas recirculation (EGR) cooler under a typical condition.
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Research-Article
On Development of a Semimechanistic Wall Boiling Model
Saurish Das,
Saurish Das
ANSYS Fluent India Pvt Ltd.,
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Saurish.das2013@gmail.com
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Saurish.das2013@gmail.com
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Hemant Punekar
Hemant Punekar
ANSYS Fluent India Pvt Ltd.,
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Hemant.Punekar@ansys.com
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Hemant.Punekar@ansys.com
Search for other works by this author on:
Saurish Das
ANSYS Fluent India Pvt Ltd.,
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Saurish.das2013@gmail.com
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Saurish.das2013@gmail.com
Hemant Punekar
ANSYS Fluent India Pvt Ltd.,
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Hemant.Punekar@ansys.com
Plot No. 34/1,
Pune Infotech Park,
MIDC, Hinjewadi,
Pune 411057, India
e-mail: Hemant.Punekar@ansys.com
1Present address: Department of Chemical Engineering and Chemistry, Technical University of Eindhoven, STW 0.27, Helix, Het Kranenveld, Eindhoven 5612 AZ, The Netherlands.
2Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received January 22, 2014; final manuscript received February 18, 2016; published online March 22, 2016. Editor: Portonovo S. Ayyaswamy.
J. Heat Transfer. Jun 2016, 138(6): 061501 (10 pages)
Published Online: March 22, 2016
Article history
Received:
January 22, 2014
Revised:
February 18, 2016
Citation
Das, S., and Punekar, H. (March 22, 2016). "On Development of a Semimechanistic Wall Boiling Model." ASME. J. Heat Transfer. June 2016; 138(6): 061501. https://doi.org/10.1115/1.4032833
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