Errors in skin temperature measurements.

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Numerical simulation is used to investigate the accuracy of a direct-contact device for measuring skin-surface temperature. A variation of thermal conductivity of the foam has greater effect on the error rather than a variation of the blood perfusion rate. For a thermal conductivity of zero, an error of 1.5 oC in temperature was identified. For foam pad conductivities of 0.03 and 0.06 W/m-oC, the errors are 0.5 and 0.15 oC. For the transient study, with k=0 W/m-oC, it takes 4,900 seconds for the temperature to reach steady state compared with k=0.03 W/m-oC and k=0.06 W/m-oC where it takes 3,000 seconds. ... continued below

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Dugay, Murielle December 2008.

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  • Dugay, Murielle

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Numerical simulation is used to investigate the accuracy of a direct-contact device for measuring skin-surface temperature. A variation of thermal conductivity of the foam has greater effect on the error rather than a variation of the blood perfusion rate. For a thermal conductivity of zero, an error of 1.5 oC in temperature was identified. For foam pad conductivities of 0.03 and 0.06 W/m-oC, the errors are 0.5 and 0.15 oC. For the transient study, with k=0 W/m-oC, it takes 4,900 seconds for the temperature to reach steady state compared with k=0.03 W/m-oC and k=0.06 W/m-oC where it takes 3,000 seconds. The configuration without the foam and in presence of an air gap between the skin surface and the sensor gives the most uniform temperature profile.

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  • December 2008

Added to The UNT Digital Library

  • Sept. 9, 2009, 2:31 p.m.

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  • Jan. 14, 2014, 2:37 p.m.

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Citations, Rights, Re-Use

Dugay, Murielle. Errors in skin temperature measurements., thesis, December 2008; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc9786/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .