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Books Books 1 - 10 of 48 on ... is proportional to the difference between the fourth powers of the absolute temperatures....
" ... is proportional to the difference between the fourth powers of the absolute temperatures of the systems. "
Bulletin - Page 111
1912
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Bulletin

Mines and mineral resources - 1912
...quantity of heat which a heating plate exposed to radiation receives is approximately proportional to the difference between the fourth powers of the absolute temperatures of the hot parts of the furnace and the sooted surface of the boiler plate. This law of radiation is known as...
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General metallurgy

Heinrich Oscar Hofman - Metallurgy - 1913 - 909 pages
...The amount of heat lost by radiation depends upon the nature of the hot body and is proportional to the difference between the fourth powers of the absolute temperatures of the hot body and its surroundings. It has been determined by Peclet1 in gram. cal. per sq. cm. of surface fc'...
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Journal of the Engineers Society of Pennsylvania, Volume 6

Engineers' Society of Pennsylvania - Engineering - 1914
...radiation from the fuel bed, which transmission both theory and experiment have shown to be proportional to the difference between the fourth powers of the absolute temperatures of the fuel bed and of the boiler tubes. If the heat transmitted by radiation be included, the average co-efficient...
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Steam power

William Ernest Dalby - Steam engineering - 1915 - 760 pages
...asserts that the total radiation from a black body into the space surrounding it is proportional to the difference between the fourth powers of the absolute temperatures of the body and of the space. Let R be the Ib.-calories radiated from each square foot of the surface of a...
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The International Operating Engineer, Volumes 29-30

1916
...that is transmitted from the hot parts of the furnace to the boiler plate is closely proportional to the difference between the fourth powers of the absolute temperatures of the hot parts of the furnace and the boiler plate. CONVECTION Convection of heat always implies the motion...
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Finding and Stopping Waste in Modern Boiler Rooms: A Reference Manual to Aid ...

H. S. B. W. Cochrane Corporation, Philadelphia - Steam power plants - 1918
...and smoke. Summarizing, it can be said that the quantity of heat imparted to a boiler by radiation depends (a) On the extent of the hot surfaces of the...cold surfaces of the boiler. (6) On the difference of the fourth powers of the absolute temperatures of the hot and cold surfaces. In any given steam...
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A Manual of Chemical Nomography

Horace Grove Deming - Chemistry - 1918 - 71 pages
...function of the velocity of the air current. The loss of heat by radiation is directly proportional to the difference between the fourth powers of the absolute temperatures of the radiating surface and the surrounding air, but is independent of the velocity of the air current. Show...
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An Introduction to Biophysics

David Burns - Biophysics - 1921 - 435 pages
...radiation from, and the temperature of, a body. The total heat-loss by radiation is proportional to the difference between the fourth powers of the absolute temperatures of the body and its environment as well as to the area and nature of the surface. If body and environment...
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Earth and Sun: An Hypothesis of Weather and Sunspots

Ellsworth Huntington - Sunspots - 1923 - 296 pages
...able to cool by radiation more rapidly than can cool air in low latitudes, for the radiation varies as the difference between the fourth powers of the absolute temperatures of the radiating and receiving bodies. The difference between the fourth powers of 290 and 300 (absolute...
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Bulletin

1925
...RADIATION LOSSES The Stefan-Boltzman law states that the energy radiated by a hot body is proportional to the difference between the fourth powers of the absolute temperatures of the hot body and its surroundings. An emissivity coefficient is necessary in order to calculate the actual...
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