HD-DRAS Thermal Conductivity Tester TPS Method
HD-DRAS Thermal Conductivity Tester (TPS Method)
Description:
Transient Planar Source Technology (TPS) is a method for measuring thermal conductivity. It is based on ISO 22007-2-2008, ASTM D 5334/D 7984/D 5930, GB/T 32064-2015, GB/T 42919.1-2023 and so on standards, and meets the test of materials in different forms, such as liquid, solid block, paste, powder, film, etc. The principle of measuring the thermal properties of materials is that a plane heat source in an infinite medium generates a dynamic temperature field inside the medium after being subjected to an instantaneous heating pulse in the initial thermal equilibrium state. The temperature data generated by the heat conduction process is used to fit the function curve and calculate the thermal conductivity and thermal diffusivity of the sample. During the test, a constant direct current is applied to the heat source, and the surface of the heat source generates a temperature rise, the resistance increases, and the bridge test system is unbalanced to generate a potential change. Through the change in electrical parameters, the function of the temperature increase over time is obtained.
Technical Parameters
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