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Natural Convective Heat Transfer In Square Enclosures Heated From Below

Ahmad Syauqi, Ahmad Shukri (2012) Natural Convective Heat Transfer In Square Enclosures Heated From Below. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Natural convective heat transfer is common nowadays. This study focuses on square enclosure cavity where the boundaries have been fixed to certain condition. The objectives are; i) to solve natural convection problem numerically by predicting the streamlines and isothermlines; ii) to compare the numerical and existing experimental result for natural convection and; iii) to predict natural convection phenomena at multiple adiabatic walls. The square enclosure has cold wall temperature on the left and right side and adiabatic wall on the top of it. From below, heat was supplied. All these boundary conditions have been set up in ANSYS-Fluent in ‘meshing’ and ‘setup’ section. All other steps have been well explained from a flowchart provided. Results were obtained in terms of images and Rayleigh Numbers. Isothermlines and streamlines are different with variation of heat source length, e . Similarity between experimental and numerical result were almost 80%. Next in the simulation, it has been proved that multiple adiabatic walls generate more heat without any changes in pressure of container. All three objectives achieved well and validated by supervisor and panels.

Item Type: Monograph (Project Report)
Uncontrolled Keywords: Heat -- Transmission
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Library > Projek Sarjana Muda > FKM
Depositing User: Mr. Ahmad Abu Bakar
Date Deposited: 23 Jul 2013 07:32
Last Modified: 28 May 2015 03:52
URI: http://eprints.utem.edu.my/id/eprint/7835

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