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Design and characterization of non-i...

Rivera Guzman, Leslie A.

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Design and characterization of non-invasive thermal sensors for laser induced fluorescence thermometry (LIFT).

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Design and characterization of non-invasive thermal sensors for laser induced fluorescence thermometry (LIFT)./
作者:	Rivera Guzman, Leslie A.
面頁冊數:	122 p.
附註:	Source: Masters Abstracts International, Volume: 43-06, page: 2232.
Contained By:	Masters Abstracts International43-06.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1427039
ISBN:	0542137011

Design and characterization of non-invasive thermal sensors for laser induced fluorescence thermometry (LIFT).
Rivera Guzman, Leslie A.

Design and characterization of non-invasive thermal sensors for laser induced fluorescence thermometry (LIFT). - 122 p.

Source: Masters Abstracts International, Volume: 43-06, page: 2232.

Thesis (M.S.)--University of Puerto Rico, Mayaguez (Puerto Rico), 2005.

The objective of the present work is to apply LIFT to measure the thermal history of micron size in-flight droplets and for microscale nucleate boiling processes using water as the main working fluid. For these purposes two LIFT sensors have been developed. Pyrene, which is one of the most widely studied sensitive organic dyes, was one of the sensors evaluated. To perform the experiments in water it was necessary to add surfactants to enhance Pyrene's solubility in water. A protocol, which considers several parameters, was designed and evaluated to prepare the solutions for the fluorescence studies. The second set of water based temperature sensors were Rhodamine B and the mixture Rhodamine B/Rhodamine 110. Rhodamine B and Rhodamine 110, are very soluble in water and therefore did not required additives. Even though the addition of surfactants was not required for solubilization, they were used to enhance their fluorescence intensities. Rhodamine 110 was used as a non-temperature sensitive reference dye. A mixture of dyes was used because, in principle, the variation in exciting light intensity due to refraction of the light passing through the thermal field was avoided. In general, the fluorescent dyes studied showed fluorescence emission intensities in the range of 1.0 x 107 to 1.5 x 107, which depend directly upon temperature. (Abstract shortened by UMI.)

ISBN: 0542137011Subjects--Topical Terms:

586156
Chemistry, Analytical.

Design and characterization of non-invasive thermal sensors for laser induced fluorescence thermometry (LIFT).
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520 $a The objective of the present work is to apply LIFT to measure the thermal history of micron size in-flight droplets and for microscale nucleate boiling processes using water as the main working fluid. For these purposes two LIFT sensors have been developed. Pyrene, which is one of the most widely studied sensitive organic dyes, was one of the sensors evaluated. To perform the experiments in water it was necessary to add surfactants to enhance Pyrene's solubility in water. A protocol, which considers several parameters, was designed and evaluated to prepare the solutions for the fluorescence studies. The second set of water based temperature sensors were Rhodamine B and the mixture Rhodamine B/Rhodamine 110. Rhodamine B and Rhodamine 110, are very soluble in water and therefore did not required additives. Even though the addition of surfactants was not required for solubilization, they were used to enhance their fluorescence intensities. Rhodamine 110 was used as a non-temperature sensitive reference dye. A mixture of dyes was used because, in principle, the variation in exciting light intensity due to refraction of the light passing through the thermal field was avoided. In general, the fluorescent dyes studied showed fluorescence emission intensities in the range of 1.0 x 107 to 1.5 x 107, which depend directly upon temperature. (Abstract shortened by UMI.)
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