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Experimental heat transfer studies with infrared camera

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Cita com:
hdl:2099.1/19841

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Jimenez Sanchez, Carlos
Tutor / directorChernoray, Valery
Document typeMaster thesis (pre-Bologna period)
Date2012
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The master thesis described on this report consists on two experimental heat transfer studies using infrared thermography technology. The fi rst part, the temperature evolution of two cooled surfaces is studied. Representing the thermal e ect su ered by the pistons during the process of injection in diesel engines. The results are compared with CFD simulations and with thermocouple measuremnts that were done previously. This study is useful to understand better the reasons why pistons are damage and to constrast the di erent methods. In the second part, the convection heat transfer coe cient inside a linear cascade is studied. This coe cient is measured on a instrumented end-wall, showing the thermal behavior between the vanes and wall interaction. Measuring convection heat transfer coe cient on the endwalls can provide a better understanding of the heat transfer mechanisms in OGVs section. This enables the posibility of optimizing the coolant needed in this section and the material taht can be used for manufacturing OGVs, i.e; composite material are lighter than metal but they have lower melting temperature. Moreover, as in the other experiment the data can be compared with other methods and contrasted with CFD simulations. Furthermore, another goal of the experiment is to validate this methodology and technique to get this data.
SubjectsHeat -- Transmission -- Measurement, Thermography, Infrared radiation, Calor -- Transmissió -- Mesurament, Termografia, Raigs infraroigs
URIhttp://hdl.handle.net/2099.1/19841
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