An Elementary Treatise on Heat |
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Page xiv
... Enclosure without influence on Stream of Heat . Laws hold good for every kind of Heat . General Conclusions B. Heat Equilibrium of thin Plates Small Radiation because Small Absorption of Rock Salt · · Large Radiation from Glass ...
... Enclosure without influence on Stream of Heat . Laws hold good for every kind of Heat . General Conclusions B. Heat Equilibrium of thin Plates Small Radiation because Small Absorption of Rock Salt · · Large Radiation from Glass ...
Page 182
... enclosure . On the other hand , it is receiving heat from this enclosure at a rate depending upon the temperature of the enclosure and independent of that of the bulb . Thus its heat ex- penditure depends upon its own temperature , its ...
... enclosure . On the other hand , it is receiving heat from this enclosure at a rate depending upon the temperature of the enclosure and independent of that of the bulb . Thus its heat ex- penditure depends upon its own temperature , its ...
Page 184
... enclosure . It is well known that this thermometer will indicate the temperature of the surrounding walls , and that it will be a matter of indifference whether it be hung in the middle of the enclosure or at one of the sides ; in ...
... enclosure . It is well known that this thermometer will indicate the temperature of the surrounding walls , and that it will be a matter of indifference whether it be hung in the middle of the enclosure or at one of the sides ; in ...
Page 185
... enclosure . We may generalise this statement by saying that in an enclosure of constant temperature the heat reflected plus the heat radiated by any substance will be equal to the total lamp - black radi- ation of that temperature , and ...
... enclosure . We may generalise this statement by saying that in an enclosure of constant temperature the heat reflected plus the heat radiated by any substance will be equal to the total lamp - black radi- ation of that temperature , and ...
Page 186
... enclosure of constant temperature will be equal to the total lamp - black radiation of that tempe- rature has been experimentally verified by MM . Provostaye and Desains , who found— Radiation from polished silver at a given temp ...
... enclosure of constant temperature will be equal to the total lamp - black radiation of that tempe- rature has been experimentally verified by MM . Provostaye and Desains , who found— Radiation from polished silver at a given temp ...
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Common terms and phrases
absorbs absorption acid amount of heat antimony aqueous vapour atmosphere bismuth body boiling point Boyle's law Bromine bulb calorimeter carbon carbonic acid chemical coefficient cold colour column condensed conductivity constant temperature dark heat denote density dilatation Dulong and Petit electric enclosure energy equal ether evaporation excess of temperature expansion experiments Fahr flow of heat freezing galvanometer gases Gay Lussac glass gravity heating effect hence high temperature inches of mercury increase instrument iron lamp-black latent heat light liquid luminous means melting metals method millimètres nearly nitrous oxide observed obtained particles pass perature plate polarized pound pressure produced quantity of heat radiant heat radiation rays reflected refrangibility regard Regnault result rock salt shew shewn solid source of heat specific gravity specific heat steam substance suppose surface thermometer tourmaline tube vacuo velocity of cooling vessel volume wave length weight
Popular passages
Page 304 - That the quantity of heat produced by the friction of bodies, whether solid or liquid, is always proportional to the quantity of force expended.
Page 66 - The straight line or distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer shall be the genuine standard of length at 62° F., and if lost it shall be replaced by means of its copies.
Page 66 - May one thousand eight hundred and twenty-five, the Straight Line or Distance between the Centres of the Two Points in the Gold Studs in the Straight Brass Rod, now in the Custody of the Clerk of the House of Commons, whereon the Words and Figures
Page 80 - ... passing from the solid to the liquid, and from the liquid to the gaseous form, or the contrary, occasioning endless vicissitudes of temperature over the globe.
Page 82 - ... thermometer, this will very often be sufficient to produce solidification, if not drop in a small crystal. The mass solidifies at once and the temperature rises very considerably. 112. Laws of Fusion. We may thus sum up our results with the following laws of fusion. (1) A substance begins to melt at a temperature, which is constant for the same substance, if the pressure be constant, and is called the melting-point.