A Manual of Steam-boilers: Their Design, Construction, and OperationJ. Wiley & Sons, 1888 - 671 ページ |
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多く使われている語句
20 per cent amount anthracite bituminous coal boiler-plate British thermal units burned calorimeter carbon carbonic acid cast-iron cause centimetres charcoal chimney coke combustion condensation construction cubic cylindrical determined diameter draught ductility effect efficiency elastic limit energy engineer evaporation exhibit experiments explosion factor of safety Fahr feed-water feet fire firebox flue fracture fuel furnace gases given grate heat-energy heating-surface hydrogen increase iron kilogrammes latent heat latter length less Lignite load locomotive material maximum measured metal method nearly obtained oxide oxygen piece plate pounds per square pressure produced proportion quantity of heat ratio resistance rivets rupture safety-valve seams secure sheet shell sometimes specific heat square centimetre square inch steam steam-boiler steam-engine steam-pressure steel strain strength stress surface temperature tenacity thickness tion tubes tubular boiler ture usually valve variation water-tube boiler weight wrought-iron
人気のある引用
212 ページ - calorie," as it was called by the French philosophers who first adopted the metric system, is that quantity of heat which is required to raise the temperature of one kilogramme of water one degree centigrade, — the
501 ページ - ECONOMIC EVAPORATION. 31. Water actually evaporated per pound of dry coal, from actual pressure and temperature f Ibs. 32. Equivalent water evaporated per pound of dry coal from and at 212° Ff Ibs.
229 ページ - Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation from whence we denominate the object hot ; so what in our sensation is heat, in the object is nothing but motion.
542 ページ - The energy of gunpowder is somewhat variable, but it has been seen that a cubic foot of heated water, under a pressure of 60 or 70 pounds per square inch, has about the same energy as one pound of gunpowder. The gunpowder exploded has energy sufficient to raise its own weight to a height of nearly 50 miles ; while the water has enough to raise that weight about one-sixtieth that height.
498 ページ - In tests for purposes of scientific research, in which the determination of all the variables entering into the test is desired, certain observations should be made which are in general unnecessary for ordinary tests.
239 ページ - That the quantity of heat produced by the friction of bodies, whether solid or liquid, is always proportional to the quantity of force expended.