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absolute temperature absolute zero adiabatic lines air thermometer atmosphere boiling point Boyle's law called calorimeter carbonic acid Carnot's cold body colder compression condensation conduction constant cooling cubic curve cylinder degree density depends determine diagram diffusion diminishes direction dynamical effect elasticity engine equal equilibrium expand experiments expressed Fahrenheit flow of heat fluid force freezing point gaseous gases given gravity greater Hence horizontal hot body hotter increase indicated indicator diagram isothermal line Joule kind kinetic energy latent heat liquid means measured melting mercury method millimetre motion number of molecules observed pass perature piston portion pound of water pressure produce properties proportional quantity of heat radiation rays represents scale specific gravity specific heat square steam stratum substance superficial tension suppose surface temperature rises theory thermal thermal equilibrium thermodynamics thermometer tube unit of mass unit of volume vapour velocity vessel viscosity weight
Page 170 - For compressible flow this becomes: where y is the ratio of the specific heat at constant pressure to that at constant volume...
Page 153 - 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 ; or heat cannot of itself (that is, without compensation) pass from a colder to a warmer body.
Page 74 - The most important step in the progress of every science is the measurement of quantities. Those whose curiosity is satisfied with observing what happens have occasionally done service by directing the attention of others to the phenomena they have seen; but it is to those who endeavour to find out how much there is of anything that we owe all the great advances in our knowledge.
Page 24 - ... warmed, though the lowest layer is always the hottest. As the temperature increases, the absorbed air which is generally found in ordinary water, is expelled and rises in small bubbles without noise. At last the water in contact with the heated metal becomes so hot that, in spite of the pressure of the atmosphere on the surface of the water, the additional pressure due to the water in the vessel, and the cohesion of the water itself, some of the water at the bottom is transformed into steam,...
Page 310 - But if we conceive a being whose faculties are so sharpened that he can follow every molecule in its course...
Page 152 - Thermodynamics. — When work is transformed into heat, or heat into work, the quantity of work is mechanically equivalent to the quantity of heat.
Page 122 - By varying the pressure or temperature, but always keeping above 30-92°, the great changes of density which occur about this point produce the flickering movements I formerly described, resembling in an exaggerated form the appearances exhibited during the mixture of liquids of different densities, or when columns of heated air ascend through colder strata.
Page 310 - Now let us suppose that such a vessel is divided into two portions A and B, by a division in which there is a small hole, and that a being, who can see the individual molecules, opens and closes this hole, so as to allow only the swifter molecules to pass from A to B, and only the slower ones to pass from B to A. He will thus, without expenditure of work, raise the temperature of B and lower that of A, in contradiction to the second law of thermodynamics.
Page 278 - ... alteration is just going to take place is called the limit of perfect elasticity. If the stress, when it is maintained constant, causes a strain or displacement in the body which increases continually with the time, the substance is said to be viscous.
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Peter Reimann - 2002 - Physics Reports
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PAUL F DELL - 1982 - Family Process
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