Question

what is the dimensional formulae of the thermal conductivity k

Answer 1

Some papers report in watts per centimeter-kelvin (W/(cm⋅K)). In imperial units, thermal conductivity is measured in BTU/(h⋅ft⋅°F). The dimension of thermal conductivity is M1L1T−3Θ−1, expressed in terms of the dimensions mass (M), length (L), time (T), and temperature (Θ).

Answer 2

Unit Of Thermal Conductivity
SI unit of thermal conductivity Watts per meter-kelvin (W.m-1K-1)
Imperial unit of thermal conductivity BTU.h-1.ft-1.℉-1
Dimensional formula M1L1T-3Θ-1

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