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Calibrating Single-Ended Fiber-Optic Raman Spectra Distributed Temperature Sensing Data


Authors: M. B. Hausner
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Created: Apr 01, 2018 at 6:29 p.m.
Last updated: Apr 09, 2018 at 6:16 p.m.
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Abstract

Hydrologic research is a very demanding application of fiber-optic distributed temperature sensing (DTS) in terms of precision, accuracy and calibration. The physics behind the most frequently used DTS instruments are considered as they apply to four calibration methods for single-ended DTS installations. The new methods presented are more accurate than the instrument-calibrated data, achieving accuracies on the order of tenths of a degree root mean square error (RMSE) and mean bias. Effects of localized non-uniformities that violate the assumptions of single-ended calibration data are explored and quantified. Experimental design considerations such as selection of integration times or selection of the length of the reference sections are discussed, and the impacts of these considerations on calibrated temperatures are explored in two case studies.

Raw project data is available by contacting ctemps@unr.edu

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How to Cite

Hausner, M. B. (2018). Calibrating Single-Ended Fiber-Optic Raman Spectra Distributed Temperature Sensing Data, HydroShare, http://www.hydroshare.org/resource/56ed1164eaf44b93bf5b9167d8d2c5cc

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
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