Undergraduate Thesis Or Project

 

Calibration of Laser Induced Fluorescence Thermometry using 2'7' Dichlorofluorescein and Sulforhodamine B Public Deposited

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https://ir.library.oregonstate.edu/concern/undergraduate_thesis_or_projects/tq57ns454

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  • An apparatus and method for calibrating planar laser induced fluorescence using a two-dye, two-color method was developed. A laser sheet was expanded from a 473 nm laser to excite dye solutions into higher energy states then fluoresced through spontaneous emission. The two fluorescent dyes selected for research and development were the primarily green emitting 2'7' dichlorofluorescein and the primarily red emitting sulforhodamine B. Planar laser induced fluorescence is used in thermal-fluids experiments as an accurate, non-invasive method for developing flow thermographs used to characterize the performance of experimental devices and methods. Two-color, two-dye methods are used because of their high accuracy, and potentially higher sensitivity relative to other thermography techniques because the temperature can be expressed as a function of only the fluorescence ratio of the two dyes and is independent of local laser intensity, which may vary considerably with time and space during an experiment. Calibration curves and relationships were developed that accurately correlated the local temperature of the solution to the intensity ratio of the dyes. Using a concentration of 2'7' Dichlorofluorescein of 4.624±0.294 × 10⁻⁶M and a concentration of Sulforhodamine B of 8.105±0.294 × 10⁻⁶M predicted temperature measurements had an uncertainty of 2.09 °C.
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  • Table of Figures -- 2; Index of Equations -- 3; Abstract -- 4; Introduction -- 4; Laser Induced Fluorescence -- 4; Two Dye Two Color Method -- 5; Experimental Dyes -- 5; 2'7' Dichlorofluorescein (C20H10Cl2O5) -- 5; Sulforhodamine B (C27H30N2O7S2) -- 6; Methods -- 8; Experimental Set Up -- 8; Determining Dye Concentrations -- 11; Results -- 14; Analysis -- 18; Dye Concentration Error -- 18; Determining Calibration Curve -- 18; Conclusions -- 19; Acknowledgements -- 21; Works Cited -- 22;
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  • description.provenance : Approved for entry into archive by Deanne Bruner(deanne.bruner@oregonstate.edu) on 2012-06-11T22:37:19Z (GMT) No. of bitstreams: 1Thesis 5.30.12.docx: 2308037 bytes, checksum: 2632037d6e0065229d7bd614d9bdd7dc (MD5)
  • description.provenance : Submitted by Jaryd Ulbricht (ulbrichj@onid.orst.edu) on 2012-06-07T23:22:30ZNo. of bitstreams: 1Thesis_5.30.12.pdf: 716635 bytes, checksum: a8663992669606e3ddb46718ca1505cf (MD5)
  • description.provenance : Submitted by Jaryd Ulbricht (ulbrichj@onid.orst.edu) on 2012-06-09T01:36:58ZNo. of bitstreams: 1Thesis 5.30.12.docx: 2308037 bytes, checksum: 2632037d6e0065229d7bd614d9bdd7dc (MD5)
  • description.provenance : Rejected by Sue Kunda(sue.kunda@oregonstate.edu), reason: Hello. Could you please convert your .docx file to .pdf?Also, the title on your paper doesn't match the title you used when submitting it to ScholarsArchive. Thanks,Sue KundaDigital Scholarship LibrarianSue.kunda@oregonstate.edu on 2012-06-05T18:01:21Z (GMT)
  • description.provenance : Submitted by Jaryd Ulbricht (ulbrichj@onid.orst.edu) on 2012-06-04T22:50:59ZNo. of bitstreams: 1Thesis 5.30.12.docx: 2308553 bytes, checksum: 08daea624dfab5e7563c16ebe61ec66b (MD5)
  • description.provenance : Rejected by Deanne Bruner(deanne.bruner@oregonstate.edu), reason: I see 2'7' Dichlorofluorescein listed as Dichlorofluorescein 2'7' on your research paper title. If 2'7' Dichlorofluorescein is correct, could you please make a correction to your title page so that they are consistent.Thanks,Deanne J. BrunerLibrary TechnicianThe Valley Library541.737.7330deanne.bruner@oregonstate.edu on 2012-06-08T22:37:47Z (GMT)
  • description.provenance : Made available in DSpace on 2012-06-11T22:37:19Z (GMT). No. of bitstreams: 1Thesis 5.30.12.docx: 2308037 bytes, checksum: 2632037d6e0065229d7bd614d9bdd7dc (MD5) Previous issue date: 2012-05-30

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