Elementary Thermodynamics |
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Page 71
... heat absorbed , we shall therefore have dU = dW + dQ . Again , since a change of state which can be produced by heat alone can also be produced by work alone , or partly by heat and partly by work , in an infinite number of ways , it is ...
... heat absorbed , we shall therefore have dU = dW + dQ . Again , since a change of state which can be produced by heat alone can also be produced by work alone , or partly by heat and partly by work , in an infinite number of ways , it is ...
Page 72
... heat given out . To prevent confusion , we shall never use the word ' heat ' in the popular sense , but always speak of non - mechanical kinetic energy . · Heat is absorbed either by conduction or radiation . Conduction is a surface ...
... heat given out . To prevent confusion , we shall never use the word ' heat ' in the popular sense , but always speak of non - mechanical kinetic energy . · Heat is absorbed either by conduction or radiation . Conduction is a surface ...
Page 73
... heating influences . The system is then popularly said to absorb ' electric energy , ' the meaning of which is fully ... heat absorbed , dQ , is defined to be the value of dU - dWdE , so that the principle of energy may be written in the ...
... heating influences . The system is then popularly said to absorb ' electric energy , ' the meaning of which is fully ... heat absorbed , dQ , is defined to be the value of dU - dWdE , so that the principle of energy may be written in the ...
Page 74
... heat absorbed is exactly equivalent to the work done by the system . 32. The result that dW and dQ are not generally perfect differentials is so important that it will be advan- tageous to consider some simple illustrations . Suppose ...
... heat absorbed is exactly equivalent to the work done by the system . 32. The result that dW and dQ are not generally perfect differentials is so important that it will be advan- tageous to consider some simple illustrations . Suppose ...
Page 76
... heat absorbed by the body in any change of state will depend only on the initial and final states . We are accordingly led to the following definitions , in which the state of the body is supposed to depend only on the temperature when ...
... heat absorbed by the body in any change of state will depend only on the initial and final states . We are accordingly led to the following definitions , in which the state of the body is supposed to depend only on the temperature when ...
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Common terms and phrases
angle angular momentum angular velocity atmo axis of figure axis of rotation body C₂ calories Cambridge Warehouse carbonic acid Carnot's principle centre of mass constant pressure contact-forces Crown 8vo cryohydrate cubic centimetres curve cycle cylinder denote distance earth Edition electric entropy equal equation ergs external forces freezing given gramme gravitation heat absorbed Hence independent variables indicator diagram liquid M.A. Demy 8vo mechanical kinetic energy mechanical motions mercury momenta non-frictional non-mechanical kinetic energy obtained orbit parallel particle piston plane positive potential at constant potential energy quantity of heat radiation rectangular axes result reversible salt solution specific heat square centimetre stable equilibrium steam substance suppose surface temperature and pressure thermodynamic potential thermometer tidal friction tube vessel volume zero
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