 | Benjamin Silliman - 1859 - 750 Seiten
...an agent, spending not more than one thirty-fifth of the energy of the heat communicated, and thata corresponding machine, or the same machine worked...backwards, may be employed to produce cooling effects. Where water power abounds, the heat of friction has been used to warm buildings, and an apparatus has... | |
 | Benjamin Silliman - 1861 - 780 Seiten
...of a properly contrived machine driven hy an agent, spending not more than one thirty-fifth of the energy of the heat communicated, and that a corresponding machine, or the same machine worked hackwards, may he employed to produce cooling effects. When a hody is heated hy such means, §} of... | |
 | Benjamin Silliman - 1866 - 756 Seiten
...of a properly contrived machine driven by an agent, spending not more than one thirty-fifth of the energy of the heat communicated, and that a corresponding...backwards, may be employed to produce cooling effects. When a body is heated by such means, jf of the heat is drawn from surrounding objects, and fa is produced... | |
 | Charles Edward Groves - 1889 - 862 Seiten
...temperature by means of a properly conti ived machine driven by an agent spending not more than ^y of energy of the heat communicated ; and that a corresponding...temperature. When a body is heated by such means about f Jths of the heat is drawn from surrounding objects, and ^yth is created by the action of the agent... | |
 | 1908 - 450 Seiten
...of the heat thus communicated and that a corresponding machine or the same machine worked backward may be employed to produce cooling effects, requiring...temperature. When a body is heated by such means about 34/35 of the heat is drawn from surrounding objects and 1/35 's created by the action of the agent:... | |
 | American Institute of Electrical Engineers - 1908 - 926 Seiten
...of the heat thus communicated and that a corresponding machine or the same machine worked backward may be employed to produce cooling effects, requiring...temperature. When a body is heated by such means about 34/35 of the heat is drawn from surrounding objects and 1/35 is created by the action of the agent;... | |
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... of energy of the heat communicated ; and that a corresponding machine, or the same machine worked backwards, may be employed to produce cooling effects requiring about the same expenditure of energy in working it to cool the same substance through... 