A fast-response probe for the measurement of total temperature in unsteady or fluctuating compressible flows is discussed. The operation of the device is based on the measurement of transient heat flux at different probe operating temperatures. The heat flux gauges used in the present investigation were thin film platinum resistance thermometers painted onto the stagnation region of hemispherical fused quartz probes. The quartz probes had a diameter of approximately 3 mm. Uncertainty estimates indicate that temperature measurements with an accuracy of better than ±3 K are possible. As a demonstration of the accuracy and utility of the device, total temperature and convective heat transfer coefficient measurements were obtained in a number of supersonic nozzle tests and in a compressible turbulent jet experiment.
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October 1998
Research Papers
A Fast-Response Total temperature Probe For Unsteady compressible Flows
D. R. Buttsworth,
D. R. Buttsworth
Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1, 3PJ, United Kingdom
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T. V. Jones
T. V. Jones
Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1, 3PJ, United Kingdom
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D. R. Buttsworth
Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1, 3PJ, United Kingdom
T. V. Jones
Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1, 3PJ, United Kingdom
J. Eng. Gas Turbines Power. Oct 1998, 120(4): 694-702 (9 pages)
Published Online: October 1, 1998
Article history
Received:
November 20, 1995
Online:
November 19, 2007
Citation
Buttsworth, D. R., and Jones, T. V. (October 1, 1998). "A Fast-Response Total temperature Probe For Unsteady compressible Flows." ASME. J. Eng. Gas Turbines Power. October 1998; 120(4): 694–702. https://doi.org/10.1115/1.2818456
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