The physical meaning of thermal conductivity is how much heat flux would pass through a certain material depending on the temperature gradient over that material. This value plays a role in many heat and mass transport problems as thermal conductivity (k) is a component of the Prandtl number.

Our objective was to write a program with a limited number of parameters that would calculate thermal conductivites for all three phases. Below is the call line of our program (kcalc) which is designed to run inside start301.

kcalc(T,index,state,name)

where T is the temperature, index is the number of the compound (depending on what was selected when starting start301), state is either 'l', 'v', 'g', 's', name is only used for solids, you type in the number of the solid off the list that you get by typing "help kscalc"

kcalc calls either ktpcalc, klcalc, or kscalc depending on the state of the compound entered by the user. For details on how each program works, see the tabs above.

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