Natural convection in semi trapezoidal enclosure

Natural convection in semi trapezoidal enclosure

Numerical analysis approach for natural convection in semi trapezoidal shaped cavity is investigated by applying constant heat flux from the top. Buoyancy consideration of Boussinesq approximation noted valid for this incompressible problem of ideal gas with low (Pr) Prandtl number (Pr=0.7) and lami...

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Main Author: Abd. Aziz, Mohamad Redhwan
Format: Thesis
Language:English
Published: 2006
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/9627/1/MohamadRedhwanMFKM2006.pdf
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spelling my-utm-ep.96272017-10-12T04:42:00Z Natural convection in semi trapezoidal enclosure 2006-05 Abd. Aziz, Mohamad Redhwan TJ Mechanical engineering and machinery Numerical analysis approach for natural convection in semi trapezoidal shaped cavity is investigated by applying constant heat flux from the top. Buoyancy consideration of Boussinesq approximation noted valid for this incompressible problem of ideal gas with low (Pr) Prandtl number (Pr=0.7) and laminar steady state condition. Taking a physical geometry of semi trapezoidal enclosure with aspect ratio of 1.5, with top wall been constantly applied heat flux (constant heat flux boundary condition) while inclined sidewall is been kept at same temperature (isothermal boundary condition). Bottom and vertical side wall are been insulated and assumed z-direction to be infinite (2 - dimensional). The integral forms of the governing equations are solved by control volume based finite volume method using SIMPLE algorithm. Parametric study on the behavior of the isotherms and velocity profiles in the cavity would then be elaborated upon the final results. 2006-05 Thesis http://eprints.utm.my/id/eprint/9627/ http://eprints.utm.my/id/eprint/9627/1/MohamadRedhwanMFKM2006.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:884?site_name=Restricted Repository masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering 1. Oosthuizen, P.H. (1999). “An introduction to convective Heat Transfer Analysis�, McGraw-Hill. 2. Bejan, A. “Convection Heat Transfer�, 1st ed., 1984,John Wiley & Sons. 3. Versteeg, H.K. and Malalasekera, W. (1995). “An introduction to Computational Fluid Dynamics, The Finite Volume Method�, Pearson Prentice Hall. 4. Lee, T.S. (1991). “Numerical experiments with fluid convection in tilted nonrectangular enclosures�, Journal Heat Transfer, Part A, vol. 19, pp. 487-499. 5. Peric, M. (1993). “Natural convection in Trapezoidal cavities�, Numerical Heat Transfer, Part A, vol. 24, pp 213-219. 6. Boussaid, M., Mezenner, A. and Bouhadef, M. (1999). “Free heat and mass transfer in a trapezoidal enclosure�, International Journal Thermal Science, vol. 38, pp. 363-371. 7. Salmun, H. (1995). “Convection patterns in a triangular domain�, International Journal Heat Mass Transfer, vol. 38 No.2 pp 351-362. 8. Van Der Eyden, J.T. et. al, (1998). “Double-diffusive natural convection in trapezoidal enclosures�, International Journal of Heat Mass Transfer, vol. 41, No.13, pp. 1885-1898. 9. Papanicolaou, E. and Belessiotis, V. (2005). “Double-diffusive natural convection in an asymmetric trapezoidal enclosure: unsteady behavior in the laminar and turbulent-flow regime�, International Journal of Heat and Mass transfer, No. 48 pp. 191-209. 10. Baytas, A.C. and Pop, I. (2001). “Natural convection in a trapezoidal enclosure filled with a porous medium�, International journal of Engineering Science, No. 39, pp. 125-134.
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Abd. Aziz, Mohamad Redhwan
Natural convection in semi trapezoidal enclosure
description Numerical analysis approach for natural convection in semi trapezoidal shaped cavity is investigated by applying constant heat flux from the top. Buoyancy consideration of Boussinesq approximation noted valid for this incompressible problem of ideal gas with low (Pr) Prandtl number (Pr=0.7) and laminar steady state condition. Taking a physical geometry of semi trapezoidal enclosure with aspect ratio of 1.5, with top wall been constantly applied heat flux (constant heat flux boundary condition) while inclined sidewall is been kept at same temperature (isothermal boundary condition). Bottom and vertical side wall are been insulated and assumed z-direction to be infinite (2 - dimensional). The integral forms of the governing equations are solved by control volume based finite volume method using SIMPLE algorithm. Parametric study on the behavior of the isotherms and velocity profiles in the cavity would then be elaborated upon the final results.
format Thesis
qualification_level Master's degree
author Abd. Aziz, Mohamad Redhwan
author_facet Abd. Aziz, Mohamad Redhwan
author_sort Abd. Aziz, Mohamad Redhwan
title Natural convection in semi trapezoidal enclosure
title_short Natural convection in semi trapezoidal enclosure
title_full Natural convection in semi trapezoidal enclosure
title_fullStr Natural convection in semi trapezoidal enclosure
title_full_unstemmed Natural convection in semi trapezoidal enclosure
title_sort natural convection in semi trapezoidal enclosure
granting_institution Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department Faculty of Mechanical Engineering
publishDate 2006
url http://eprints.utm.my/id/eprint/9627/1/MohamadRedhwanMFKM2006.pdf
_version_ 1747814766834876416

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