Using The KD2 Pro To Measure Thermal Properties of Fluids (13422-03 AN)
The KD2 Pro uses the transient heated needle to measure thermal properties of solid and fluid media. With this technique, a heat pulse is applied to a needle, and the temperature response with time is monitored either at the heated needle or at an adjacent needle both during and after the heat pulse. The nature of the temperature response is a result of the thermal properties of the material. When measuring thermal properties we wish to measure only the heat transfer resulting from conduction. In low viscosity fluids, heat transfer by convection can be much greater than heat transfer by conduction. Hence, accurate measurement of thermal properties of fluids requires that convective heat exchange be negligible.
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