A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 396
a I aG or Q=Cai^2)=CflG (3) Equation (3) may be employed in calculating the heat transmittedthrough a plate, provided the temperatures tx and t2 are known. Itshould be noted that there is difficulty in measuring the temperaturesof the surfaces of a plate. Equation (2) indicates that… … Fig. 374.—Conduction of heat along a bare bar. Heat flow along a bare metal bar. —In Forbess method of deter-mining conductivity a bare metal bar AB is used (Fig. 374). Theportion near the end A is maintained at constant temperature by beingimmersed in a bath of molten solder, and a screen C…
Physics
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