 | Georg Franke - Briquets - 1917 - 718 pages
...j<>) + "22008 - 600 W AH.U. - "TOO ~ The heat unit (HU) or calorie used as a measure of the quantity of heat is the amount of heat necessary to raise the temperature of 1 kg. of water 1° C. As determined directly by numerous experiments, there are developed by the... | |
 | Otto Sackur - Chemistry, Physical and theoretical - 1917 - 472 pages
...kilowatt hour, viz. 1 kilowatt hour = 1000 x 3600 watt seconds =3-6 x 10 18 ergs. 4. Thermal system. The unit of heat is the amount of heat necessary to raise 1 gr. of water from 14-5° to 15-5° C. (15 C calorie). On p. 79 we found that 1 cal. = 4-19 x 10 7... | |
 | Encyclopedias and dictionaries - 1919 - 870 pages
...results. The standard used in measuring fuel values is called the British thermal unit, written BTU, and is the amount of heat necessary to raise the temperature of one pound of pure water 1° F. at or near 39° F., which is the temperature of the maximum density of water.... | |
 | Encyclopedias and dictionaries - 1919 - 880 pages
...results. The standard used in measuring fuel values is called the British thermal unit, written BTU, and is the amount of heat necessary to raise the temperature of one pound of pure water 1° F. at or near 39° F., which is the temperature of the maximum density of water.... | |
 | Sidney Hoare Collins - Agricultural chemistry - 1919 - 296 pages
...Energy is usually represented in terms of calories. The calorie adopted in theoretical considerations is the amount of heat necessary to raise the temperature of one gramme of water one degree Centigrade. In practical, big-scale work it is preferable to employ a unit... | |
 | Engineers - 1919 - 1104 pages
...British thermal unit (abbreviated BTU) is the standard unit of heat in this country and represents the amount of heat necessary to raise the temperature of one pound of water one deg. F., the water being at a temperature of 32 deg. ; it also represents the amount of... | |
 | Claude Cathcart Levin - Marine engines - 1920 - 128 pages
...and is the unit of work. HEAT A BTU (British Thermal Unit) is the unit of heat and is denned as the heat necessary to raise the temperature of one pound...Fahrenheit, when the water is at its greatest density 30° F. CALORIE A calorie is the unit of heat in the metric system of weights and measurements. One... | |
 | Thomas Griffith Taylor - Aeronautics - 1920 - 332 pages
...changed into molecular work, and is not used to augment the kinetic energy of the water molecules. The unit of heat is the amount of heat necessary to raise the temperature of a gram of water through 1° C. The amount of heat necessary to break apart the molecules of a gram... | |
 | Arthur Deudney Pratt - Combustion - 1920 - 124 pages
...of quantity of heat is, as stated above, the B. tu Until recently this has ordinarily been denned as the amount of heat necessary to raise the temperature of one pound of water at a definite temperature, one degree Fahrenheit. The value as now generally accepted is .riiyth... | |
 | Sir Richard Gregory, Arthur Thomas Simmons - Chemistry - 1920 - 360 pages
...mass of it through any number of degrees, than an equal mass of any other substance. Unit Quantity of Heat is the amount of heat necessary to raise the temperature of I gram of water through I degree Centigrade. Number of degrees ture rises or falls. The amount of... | |
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The calorie is the amount of heat necessary to raise the temperature of one gram of water one degree centigrade. 
