Van Nostrand's Engineering Magazine, 34권D. Van Nostrand, 1886 |
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82개의 결과 중 1 - 5개
7 페이지
... surface , there is wasted for each pound of water— 2 2 2 uz + + 2g 2g 2g Now notice the velocities u ,, u2 , u ,, de- pend on the angles at the bends , and vanish if those angles are indefinitely small . Hence , if the surface is curved ...
... surface , there is wasted for each pound of water— 2 2 2 uz + + 2g 2g 2g Now notice the velocities u ,, u2 , u ,, de- pend on the angles at the bends , and vanish if those angles are indefinitely small . Hence , if the surface is curved ...
8 페이지
... surfaces over which it flows increase the loss from skin friction . should be gradually and regularly curved . It is this loss from skin friction which Generally in hydraulic motors we have regulates the proportions of turbines , to ...
... surfaces over which it flows increase the loss from skin friction . should be gradually and regularly curved . It is this loss from skin friction which Generally in hydraulic motors we have regulates the proportions of turbines , to ...
11 페이지
... surface of dis- charge . A simple application of Newton's sec- ond law of motion gives at once the force driving the wheel . The water enters the wheel . of a turbine rod as the first step in designing any tur- bine is due to Von Reiche ...
... surface of dis- charge . A simple application of Newton's sec- ond law of motion gives at once the force driving the wheel . The water enters the wheel . of a turbine rod as the first step in designing any tur- bine is due to Von Reiche ...
34 페이지
... surface of water is constantly found present . The water at Lea Bridge , the annual evapora- hotter the air the more capable it is of tion was about 21 inches per annum , and , absorbing moisture and holding it in in- as might be ...
... surface of water is constantly found present . The water at Lea Bridge , the annual evapora- hotter the air the more capable it is of tion was about 21 inches per annum , and , absorbing moisture and holding it in in- as might be ...
35 페이지
... surface , is well shown by the sea , the annual fall is over 250 inches . It hackneyed example of a glass of cold is rarely that the hot stratum of aqueous water brought into a warm room . The vapor brought from the equator by the ...
... surface , is well shown by the sea , the annual fall is over 250 inches . It hackneyed example of a glass of cold is rarely that the hot stratum of aqueous water brought into a warm room . The vapor brought from the equator by the ...
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adopted æther amount angle Antwerp arch armor astronomical average battery boiler carbon carbonic acid cause cement cent charge coal constant construction corrosion cost cubic cubic foot curve cylinder depth diameter discharge distance dynamo effect electric electromotive force energy engine equal equation estimated experiments extrados feet formula fuel gases give gravity Greenwich mean guns heat helicoid hour hour angle inches increase iron lamps length less light long tons material matter means ment meridian meters method mild steel miles motor Navy paper passing pipe piston plates pounds practical present pressure Prime Meridian quantity railway reservoir resistance river sewage sewer gas sewers ships short tons soffit specific heat speed square steam supply surface tained temperature tion tons tramway turbine turret velocity vessels voussoirs weight wheel
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309 페이지 - ... or ever the silver cord be loosed, or the golden bowl be broken, or the pitcher be broken at the fountain, or the wheel broken at the cistern. Then shall the dust return to the earth as it was: and the spirit shall return unto God who gave it.
33 페이지 - All the rivers run into the sea; yet the sea is not full; unto the place from whence the rivers come, thither they return again.
247 페이지 - But, whatever criticisms might be justified by the ambitious title of "the Association for the Reform and Codification of the Laws of Nations...
310 페이지 - I'll show you sir. It is an automa runs under water with a snug nose and has a nimble tail, made like an auger, with which tail she wriggles betwixt the costs (ribs) of a ship, and sinks it straight.
75 페이지 - On the whole we may fairly conclude that, whilst there is some evidence of a tidal yielding of the earth's mass, that yielding is certainly small, and the effective rigidity is at least as great as that of steel.
310 페이지 - They have likewise discovered two lesser stars, or satellites, which revolve about Mars, whereof the innermost is distant from the center of the primary planet exactly three of his diameters, and the outermost five; the former revolves in the space of ten hours, and the latter in twenty-one and a half...
437 페이지 - ELECTRO-DEPOSITION : A Practical Treatise on the Electrolysis of Gold, Silver, Copper, Nickel, and other Metals and Alloys. With descriptions of Voltaic Batteries, Magneto and Dynamo-Electric Machines, Thermopiles, and of the Materials and Processes used in every Department of the Art, and several Chapters on Electro-Metallurgy. By ALEXANDER WATT, Author of " Electro-Metallurgy,
256 페이지 - Engineers, The American Society of Mechanical Engineers, and the American Institute of Electrical Engineers.
188 페이지 - That the conference expresses the hope that, as soon as may be practicable, the astronomical and nautical days will be arranged everywhere to begin at mean midnight 7.
414 페이지 - October, 1884, for the purpose of discussing, and, if possible, fixing upon a meridian proper to be employed as a common zero of longitude and standard of time-reckoning throughout the whole world...