Measurement of thermal conductivity using TMDSC: Solution to the heat flowproblem

The dependence of the apparent heat capacity obtained from quasi-isothermal temperature-modulated differential scanning calorimetry (TMD$C) experiment s and the thermal conductivity is determined for several cases. The relatio nships are based on the solution of the heat conduction equation which give s the temperature profile in the TMDSC sample. The temperature profile is t hen used to calculate the sinusoidal heat flow to the sample. We compare ou r results with those of other researchers. We also show the effect of therm al contact resistance on the results.