Finite volume approach of natural convection in a triangular enclosure with localized heating from below
Vakilimoghaddam, Farbod, Saha, Suvash C., Sojoudi, Atta, & Vakilimoghadam, Farnaz (2012) Finite volume approach of natural convection in a triangular enclosure with localized heating from below. In Gu, YuanTong, Saha, Suvash C., & Liu, Gui-Rong (Eds.) Proceedings of the 4th International Conference on Computational Methods (ICCM2012), Crowne Plaza, Gold Coast.
In this study, natural convection heat transfer and buoyancy driven flows have been investigated in a right angled triangular enclosure. The heater located on the bottom wall while the inclined wall is colder and the remaining walls are maintained as adiabatic. Governing equations of natural convection are solved through the finite volume approach, in which buoyancy is modeled via the Boussinesq approximation. Effects of different parameters such as Rayleigh number, aspect ratio, prantdl number and heater location are considered. Results show that heat transfer increases when the heater is moved toward the right corner of the enclosure. It is also revealed that increasing the Rayleigh number, increases the strength of free convection regime and consequently increases the value of heat transfer rate. Moreover, larger aspect ratio enclosure has larger Nusselt number value. In order to have better insight, streamline and isotherms are shown.
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|Item Type:||Conference Paper|
|Keywords:||Finite volume, Natural convection, Triangular enclosures|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Numerical Modelling and Mechanical Characterisation (091307)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Please consult the authors.|
|Deposited On:||12 Feb 2013 01:46|
|Last Modified:||25 Feb 2013 03:12|
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