Abstract
This study focuses on a new image processing based color capturing technique for the quantitative interpretation of liquid crystal images used in convective heat transfer studies. The present method is highly applicable to the surfaces exposed to convective heating in gas turbine engines. The study shows that, in single crystal mode, many of the colors appearing on the heat transfer surface strongly correlate with the local temperature. A very accurate quantitative approach using an experimentally determined linear hue versus temperature relation is possible. The new hue capturing process is discussed in detail, in terms of the strength of the light source illuminating the heat transfer surface, effect of the orientation of the illuminating source with respect to the surface, crystal layer uniformity and the repeatability of the process.
| Original language | English (US) |
|---|---|
| Journal | American Society of Mechanical Engineers (Paper) |
| State | Published - Jan 1 1991 |
| Event | International Gas Turbine and Aeroengine Congress and Exposition - Orlando, FL, USA Duration: Jun 3 1991 → Jun 6 1991 |
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All Science Journal Classification (ASJC) codes
- Mechanical Engineering
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New hue capturing technique for the quantitative interpretation of liquid crystal images used in convective heat transfer studies. / Camci, Cengiz; Kim, Kuisoon; Hippensteele, S. A.
In: American Society of Mechanical Engineers (Paper), 01.01.1991.Research output: Contribution to journal › Conference article
TY - JOUR
T1 - New hue capturing technique for the quantitative interpretation of liquid crystal images used in convective heat transfer studies
AU - Camci, Cengiz
AU - Kim, Kuisoon
AU - Hippensteele, S. A.
PY - 1991/1/1
Y1 - 1991/1/1
N2 - This study focuses on a new image processing based color capturing technique for the quantitative interpretation of liquid crystal images used in convective heat transfer studies. The present method is highly applicable to the surfaces exposed to convective heating in gas turbine engines. The study shows that, in single crystal mode, many of the colors appearing on the heat transfer surface strongly correlate with the local temperature. A very accurate quantitative approach using an experimentally determined linear hue versus temperature relation is possible. The new hue capturing process is discussed in detail, in terms of the strength of the light source illuminating the heat transfer surface, effect of the orientation of the illuminating source with respect to the surface, crystal layer uniformity and the repeatability of the process.
AB - This study focuses on a new image processing based color capturing technique for the quantitative interpretation of liquid crystal images used in convective heat transfer studies. The present method is highly applicable to the surfaces exposed to convective heating in gas turbine engines. The study shows that, in single crystal mode, many of the colors appearing on the heat transfer surface strongly correlate with the local temperature. A very accurate quantitative approach using an experimentally determined linear hue versus temperature relation is possible. The new hue capturing process is discussed in detail, in terms of the strength of the light source illuminating the heat transfer surface, effect of the orientation of the illuminating source with respect to the surface, crystal layer uniformity and the repeatability of the process.
UR - http://www.scopus.com/inward/record.url?scp=0025797922&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0025797922&partnerID=8YFLogxK
M3 - Conference article
AN - SCOPUS:0025797922
JO - [No source information available]
JF - [No source information available]
SN - 0402-1215
ER -