Thermal Conductivity, Volume 2

aluminium Ångström apparatus appl approximation argon boundary conditions calculated calibration chem Chromel cm-¹ coaxial coaxial-cylinder coefficient comparator method comparator reading constant constantan convection copper correction curve cylinder deg-¹ density determined diameter diffusivity direct-reading thermal comparator disc doping effect electrical electrons energy evaluated experimental flat-plate gases germanium heat conduction heat equation heat flow heat losses heat sink heat source heat transfer heater high temperatures hot-wire cell increase insulated intermolecular intermolecular force investigated Ioffe Kudman liquids material McLaughlin measurements metals molecules obtained phonon Phys platinum potential Powell pressure vessel r₁ radiation range ratio sample scattering semi-conductors shown in Figure solid solution spheres steady-state Steigmeier surface T₁ T₂ temperature temperature difference temperature gradient test fluid theory thermal comparator thermal conductivity thermal resistivity thermocouples thermometer thickness tion transitory temperature transport tube ture values viscosity