Thermodynamics, Heat Motors, and Refrigerating Machines

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J. Wiley, 1889 - Heat-engines - 475 pages
 

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Page 389 - It is impossible for a self-acting machine, unaided by any external agency, to convey heat from one body to another at a higher temperature.
Page 392 - If an engine be such that, when it is worked backwards, the physical and mechanical agencies in every part of its motions are all reversed, it produces as much mechanical effect as can be produced by any thermodynamic engine, with the same temperatures of source and refrigerator, from a given quantity of heat.
Page 389 - It is impossible, by the unaided action of natural processes, to transform any part of the heat of a body into mechanical work, except by allowing heat to pass from that body into another at a lower temperature.
Page 389 - It is impossible by means of inanimate material agency to derive mechanical effect from any portion of matter by cooling it below the temperature of the coldest of the surrounding objects.
Page 191 - For compressible flow this becomes: where y is the ratio of the specific heat at constant pressure to that at constant volume...

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