# Steam power

Longmans, Green, and Co., 1915 - Steam engineering - 760 pages

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### Popular passages

Page 479 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by force to change that state.
Page 479 - To every action there is always an equal and contrary reaction; or, the mutual actions of any two bodies are always equal and oppositely directed in the same straight line.
Page 228 - I perceived, that in order to make the best use of steam, it was necessary, first, that the cylinder should be maintained always as hot as the steam which entered it; and secondly, that when the steam was condensed, the water of which it was composed, and the injection itself, should be cooled down to 100°, or lower, where that was possible.
Page 148 - Y is the thermo-dynamic index of the gas, or the ratio between the specific heat at constant pressure and the specific heat at constant volume.
Page 125 - ... proportional to the difference between the fourth powers of the absolute temperatures of the hot parts of the furnace and the boiler plate.
Page 154 - The motive power of heat is independent of the agents employed to realize it ; its quantity is fixed solely by the temperatures of the bodies between which is effected, finally, the transfer of the caloric.
Page 141 - Carnot here, and throughout his reasoning, makes a fundamental assumption, which he states as follows: " When a body has undergone any changes and after a certain number of transformations is brought back identically to its original state, considered relatively to density, temperature and mode of aggregation, it must contain the same quantity of heat as it contained originally.
Page 76 - In the above expressions, p is the absolute pressure in pounds per square foot, v is the volume in cubic feet, and T is the absolute temperature in degrees Fahrenheit.
Page 161 - E + ^yJ as the sum of the internal energy and the product of the pressure and volume, expressed in heat units, corresponding to the state.
Page 482 - A plane through the fixed point 0, at right angles to the axis of rotation, and revolving with it, will be called the reference plane. It contains both the force at the fixed point...