Design and Testing of an Automated System using Thermochromatic Liquid Crystals to Determine Local Heat Transfer Coefficients for an Impinging Jet - Couverture souple

Tan, Benjamin

 
9781288910243: Design and Testing of an Automated System using Thermochromatic Liquid Crystals to Determine Local Heat Transfer Coefficients for an Impinging Jet
Couverture souple
ISBN 10 : 128891024X ISBN 13 : 9781288910243
Editeur : BiblioBazaar, LLC, 2013

Synopsis

Using thermochromatic liquid crystal to measure surface temperature, an automated transient method with time-varying free-stream temperature is developed to determine local heat transfer coefficients. By allowing the free-stream temperature to vary with time, the need for complicated mechanical components to achieve a step temperature change is eliminated, and by using the thermochromatic liquid crystals as temperature indicators, the labor intensive task of installing many thermocouples is omitted. Bias associated with human perception of the transition of the thermochromatic liquid crystal is eliminated by using a high speed digital camera and a computer. The method is validated by comparisons with results obtained by the steady-state method for a circular Jet impinging on a flat plate. Several factors affecting the accuracy of the method are evaluated.

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Éditeur
BiblioBazaar, LLC
Date d'édition
2013
Langue
anglais
ISBN 10 
128891024X
ISBN 13 
9781288910243
Reliure
Broché
Nombre de pages
78
Coordonnées du fabricant
non disponible
Personne responsable
non disponible