(α) material property that gives the change in length, per unit length, per 1−°C change in temperature; a constant used in the calculation of linear expansion; the coefficient of linear expans...(α) material property that gives the change in length, per unit length, per 1−°C change in temperature; a constant used in the calculation of linear expansion; the coefficient of linear expansion depends to some degree on the temperature of the material The rate of heat transfer P (energy per unit time) is proportional to the temperature difference Th−Tc and the contact area A and inversely proportional to the distance d between the objects.
(α) material property that gives the change in length, per unit length, per 1−°C change in temperature; a constant used in the calculation of linear expansion; the coefficient of linear expans...(α) material property that gives the change in length, per unit length, per 1−°C change in temperature; a constant used in the calculation of linear expansion; the coefficient of linear expansion depends to some degree on the temperature of the material The rate of heat transfer P (energy per unit time) is proportional to the temperature difference Th−Tc and the contact area A and inversely proportional to the distance d between the objects.