The Steam Jacket Practically Considered as an Efficient Fuel Economiser: A Treatise on the Economical Use of Steam for Engine-builders, Engine-drivers, Mill-managers, and Steam-users GenerallyWhittaker & Company, 1895 - 231 էջ |
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Common terms and phrases
amount body jacket boiler pressure brake horse-power Bryan Donkin carried cast-iron cent coal compound engine condensing engine Corliss engine cover cut-off cylinder condensation cylinder walls cylinder-covers D. K. Clark densation diameter Donkin drainage drained dry steam economy entered the cylinder exhaust steam experiments feed-water high-pressure cylinder horse-power per hour inch above atmosphere incoming steam indicated horse indicated horse-power indicator diagram initial condensation internal condensation jacket steam liners liquefaction locomotive loss of heat low-pressure cylinder makers means Messrs metal non-condensing non-conducting Number of expansions obtained patent pipe piston portable engine cylinder power per hour practice prevent quantity of steam radiation re-evaporated reduced revolutions per minute round the cylinder saving shows speed square inch Steam in Jackets Steam Injector steam per indicated steam pressure steam-engine steam-jacketed cylinder steam-pipe stroke surface TABLE temperature tested thick tion traction engine trials triple-expansion engine type of engine unjacketed cylinders valve valve-chest vertical waste water-tube boilers
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Էջ 3 - My method of lessening the consumption of steam, and consequently fuel, in fire engines, consists of the following principles: "First — That vessel in which the powers of steam are to be employed to work the engine, which is called the cylinder...
Էջ 3 - I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it ; first by enclosing it in a case of wood, or any other materials that transmit heat slowly; secondly, by surrounding it with steam or other heated bodies ; and, thirdly, by suffering neither water nor any other substance colder than the steam to enter or touch it during that time.
Էջ 231 - We have no hesitation in saying there are young engineers — and a good many old engineers, too — who can read this book, not only with profit, but pleasure, and this is more than can be said of most works on heat.
Էջ 231 - A Work of no mean ability. One valuable feature throughout the book is the excellence and number of the illustrations.
Էջ 152 - ... exhibits every evidence of care that has been bestowed in the drawing office on its production. Let us all therefore aim at perfect • efficiency and complete success. " "Tis not in mortals to command success ; We will do more — deserve it.
Էջ 231 - We have looked at this book more from the commercial than the scientific point of view, because the future of electrical transmission of energy depends upon the enterprise of commercial men and not so much upon men of science. The latter have carried their work to a point, as is admirably shown by Mr. Kapp in his work, where the former should take hold.
Էջ 50 - That liquefaction does not, when it first takes place, directly constitute a waste of heat or of energy; for it is accompanied by a corresponding performance of work. It does, however, afterwards, by an indirect process, diminish the efficiency of the engine ; for the water which becomes liquid in the cylinder, probably in the form of mist and spray, acts as a distributor of heat, and equalizer of temperature, abstracting heat from the hot and dense steam during its admission into the cylinder, and...
Էջ 34 - Conduction of heat to and froin the metal of the cylinder, or to and from liquid water contained in the cylinder, has the effect of lowering the pressure at the beginning and raising it at the end of the stroke, the lowering effect being on the whole greater than the raising effect. In...