 | Zerah Colburn - 1863 - 108 σελίδες
...assigned a dynamic value—838 foot-pounds, subsequently corrected to 772 foot-pounds—as that of the quantity of Heat required to raise one pound of water one degree, Fahrenheit, of temperature, supposing the original temperature of the water to be between 55 deg. and... | |
 | Ohio. Chief Geologist - 1871 - 598 σελίδες
...natural unit of heat, relative values alone can be obtained and the nnit assumed may be the amount of heat required to raise one pound of water one degree in temperature. The value of the elements is expressed in terras of this unit, and the value of the coals in this table... | |
 | Ohio. Chief Geologist - 1871 - 612 σελίδες
...natural unit of heat, relative values alone can be obtained and the unit assumed may be the amount of heat required to raise one pound of water one degree in temperature. The value of the elements is expressed in terms of this unit, and the value of the coals in this table... | |
 | 1871 - 594 σελίδες
...natural unit of heat, relative values alone can be obtained and the unit assumed may be the amount of heat required to raise one pound of water one degree in temperature. The value of the elements is expressed in terms of this unit, and the value of the coals in this table... | |
 | Joseph Anthony Gillet, William James Rolfe - 1882 - 210 σελίδες
...The temperature of a body is independent of the amount of heat in it. A unit of heat is the amount of heat required to raise one pound of water one degree in temperature; and specific heat is the amount of heat required to raise one pound of a given substance one degree... | |
 | 1865 - 682 σελίδες
...kilogrammetres. Mr. Joule makes the mechanical equivalent of heat 772 foot pounds — that is, the B % g Jƫ , Q` C D - % M"VR fU ~.#d ѭ x n֨ i V of Fahrenheit is equal to the heat produced by one pound of water falling 772 feet ; and it would raise... | |
 | David O'Brine - 1889 - 264 σελίδες
...There are cases in which both of these results are valuable. There being no absolute unit of heat, the heat required to raise one pound of water one degree in temperature (or one kilogram one degree) is usually assumed as the standard. 353. The ultimate analysis (made in... | |
 | Edward Salisbury Dana - 1881 - 320 σελίδες
...produced as its equivalent. Heat is measured in heat-units; that is, the UNIT OF HEAT is that amount of heat required to raise one pound of water one degree in temperature. For physical problems the Centigrade thermometer is universally employed; but with English-speaking... | |
 | Walter S. Hutton - 1891 - 544 σελίδες
...molecular motion. Quantities of heat are measured by a standard unit. The British thermal unit is the quantity of heat required to raise one pound of water one degree Fahrenheit, that is, from 32° to 33° Fahr. Dr. Joule found that the quantity of heat necessary to... | |
 | Robert Scott Burn - 1892 - 568 σελίδες
...time." The expression in regard to heat is " units of heat," and a unit of heat is the amount or degree of heat required to raise " one pound of water one degree in temperature." Now, Joule found that "one unit of heat — that is, the amount of heat required to raise one pound... | |
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It has been seen that a heat unit is the quantity of heat required to raise one pound of water one degree in temperature... 
