Duff, A. Wilmer (Alexander Wilmer), b. 1864, ed, Guthe, Karl Eugen, 1866-1915, Hallock, William, 1857-1913, Lewis, E. Percival (Exum Percival), 1863-1925, Goodspeed, Arthur W. (Arthur Willis), b. 1860, Carman, Albert Pruden, b. 1861, McClung, Robert Kenning, 1874- · Philadelphia, P. Blakiston's Son & Co · leaf 233
from the hotter end to the 2l6 HEAT. other, the temperature slope being the steeper the smaller theconductivity. 271. Coefficient of Thermal Conductivity. If two parallel planesurfaces of a body, a distance / apart, are kept at the constant tem-peratures ?2 and t^ the quantity of heat transferred… … Fig. 147. The proportionality factor, k, which depends upon the nature ofthe conducting substance, is called the coefficient of thermal con-ductivity of that substance. Writing this in the form of an equation we have H=.kAT^-^—Ji (68) The coefficient of thermal conductivity of a substance is…
Physics
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