Question: why heat conduction is represented by k in this formula, and not by the whole equation of heat conduction? Thermal diffusivity =energy(heat)storedheatconducted =cpk,m2/s(ft2/h)

why heat conduction is represented by k in this formula, and not by the whole equation of heat conduction?
why heat conduction is represented by k in this formula, and

Thermal diffusivity =energy(heat)storedheatconducted =cpk,m2/s(ft2/h)

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