Development and calibration of a heat flux microsensor
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The performance of a prototype microsensor deposited on Corning 7059 glass was measured. Steady-state calibrations were done using a convection calibration apparatus. The measured sensitivity (before amplification) was 0.164 mV per watt/cm2. The output was linear over the range tested from 800 to 9000 watts/m2. The unsteady response was tested using a continuous laser beam directed through a variable speed chopper wheel onto the gage surface. Results showed a frequency response of at least 1 kHz.
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