This paper describes recent advances in the development of a temperature measurement methodology based on phosphorescence of a tracer molecule in a liquid. The methodology represents an extension of molecular tagging velocimetry (MTV). MTV is a laser-based technique of obtaining spatially resolved fluid velocity profiles. The methodology has the potential of providing spatially resolved simultaneous measurements of velocity and temperature data over a planar domain. Presently, a method of obtaining temperatures over a range of 30°C with a typical uncertainty of ±1.0–1.5°C has been developed. Recent progress has resulted in a method of generating robust calibration curves for use in subsequent temperature measurements. A discussion of the experimental methodology, calibration curve development, and error analysis is presented. Finally, simultaneous temperature and velocity profile measurements using the method are demonstrated under dynamic conditions.
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June 2001
Technical Papers
Spatially Resolved Temperature Measurements in a Liquid Using Laser Induced Phosphorescence
S. L. Thomson, Research Assistant,
S. L. Thomson, Research Assistant
Department of Mechanical Engineering, Brigham Young University, 435 CTB, Provo, UT 84602
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D. Maynes, Assistant Professor
D. Maynes, Assistant Professor
Department of Mechanical Engineering, Brigham Young University, 435 CTB, Provo, UT 84602
Search for other works by this author on:
S. L. Thomson, Research Assistant
Department of Mechanical Engineering, Brigham Young University, 435 CTB, Provo, UT 84602
D. Maynes, Assistant Professor
Department of Mechanical Engineering, Brigham Young University, 435 CTB, Provo, UT 84602
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division February 9, 2000; revised manuscript received February 8, 2001. Associate Editor: D. R. Williams.
J. Fluids Eng. Jun 2001, 123(2): 293-302 (10 pages)
Published Online: February 8, 2001
Article history
Received:
February 9, 2000
Revised:
February 8, 2001
Citation
Thomson, S. L., and Maynes, D. (February 8, 2001). "Spatially Resolved Temperature Measurements in a Liquid Using Laser Induced Phosphorescence ." ASME. J. Fluids Eng. June 2001; 123(2): 293–302. https://doi.org/10.1115/1.1365960
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