Prediction of the temperature distribution in asphalt pavement samples

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dc.contributor.advisorKroger, D. G.
dc.contributor.authorBurger, Marco
dc.contributor.otherStellenbosch University. Faculty of Engineering. Dept. of Mechanical & Mechatronic engineering.
dc.date.accessioned2012-08-27T11:33:24Z
dc.date.available2012-08-27T11:33:24Z
dc.date.issued2005-04
dc.descriptionThesis (MScEng)--Stellenbosch University, 2005.
dc.description.abstractENGLISH ABSTRACT: The convection heat transfer coefficient between an infinite, horizontal surface and the natural environment is determined experimentally. It is shown that, during daytime, heat is transferred due to natural and forced convection, while during nighttime heat is transferred due to conduction and forced convection. Equations that correlate the daytime and nighttime convective heat transfer coefficients respectively, are presented. The results are compared with values obtained by other investigators. The equations for the convection heat transfer coefficient are then used to predict the surface temperature and the temperature at depth of asphalt pavement samples using a simulation model. It is found that there is good agreement between the measured and the predicted asphalt pavement sample temperatures.en_ZA
dc.description.abstractAFRIKAANSE OPSOMMING: Die konveksie warmteoordrags-koëffisiënt tuseen 'n oneindige, horisontale oppervlak en die natuurlike omgewing is eksperimenteel bepaal. Daar word getoon dat warmte, tydens die dag, oorgedra word deur natuurlike en geforseerde konveksie, terwyl warmte tydens die nag oorgedra word deur geleiding en geforseerde konveksie. Die resultate word vergelyk met die resultate van ander navorsers. Vergelykings wat die konveksie warmteoordrags-koëffisiënt gedurende die dag en nag onderskeidelik korreleer word voorgestel. Die vergelykings vir die konveksie warmteoordrags-koëffisiënt word dan gebruik in 'n simulasiemodel om die oppervlaktemperatuur en die temperatuur onder die oppervlakte van asfalt-padoppervlakmonsters te voorspel.af
dc.format.extent88 p. : ill.
dc.identifier.urihttp://hdl.handle.net/10019.1/50422
dc.language.isoen_ZA
dc.publisherStellenbosch : Stellenbosch Universityen_ZA
dc.rights.holderStellenbosch Universityen_ZA
dc.subjectPavements, Asphalten_ZA
dc.subjectMaterials at low temperaturesen_ZA
dc.subjectMaterials at high temperaturesen_ZA
dc.subjectEarth temperatureen_ZA
dc.subjectDissertations -- Mechanical engineeringen_ZA
dc.subjectTheses -- Mechanical engineeringen_ZA
dc.titlePrediction of the temperature distribution in asphalt pavement samplesen_ZA
dc.typeThesisen_ZA
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