. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ndgeographical conditions. The Steam Turbine. The following is an abstract of a paperread by Mr. L. R. Pomeroy at the Rail-way Master Mechanics Convention. vacuum of 28 inches, will attain a veloc-ity of about 4,000 feet per second. A jetstriking, a surface will exert a definitepressure against that surface, the valueof which, in the case of normal impact,is expressed by half the square of thevelocity per second into the mass of, thefluid delivered against the surface persecond. Should a surf
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ndgeographical conditions. The Steam Turbine. The following is an abstract of a paperread by Mr. L. R. Pomeroy at the Rail-way Master Mechanics Convention. vacuum of 28 inches, will attain a veloc-ity of about 4,000 feet per second. A jetstriking, a surface will exert a definitepressure against that surface, the valueof which, in the case of normal impact,is expressed by half the square of thevelocity per second into the mass of, thefluid delivered against the surface persecond. Should a surface against whichsuch a jet impinges, such as that of avane attached radically to a shaft, remainfixed, there will, of course, be no energydelivered to the shaft; it is also evidentthat should the vane have the same veloc-ity as the impinging jet, no energy willbe delivered, since there is no exchangeof velocity between the jet and the maximum amount of energy deliv-ered will be when the vane has aboutone-half the velocity of the jet, for intliat case the remaining velocity in the .4 k: i. VICTORIA STATION, GREAT INDIAN TENINSULAR RAILWAY, More interest has probably been mani-fested by steam users in turbine develop-ment than in any single subject of a me-chanical nature which has come up insteam circles during the last twentyyears, or since the application of steampower to electrical generation has beenjn accomplished fact. And by many ex-perienced steam engineers it is believedthat the turbine will accomplish a revolu-tion in the methods of generating elec-tric power for all purposes. A gasoline fluid, such as steam, inpassing from a receiver at one pressureinto a receiver at another pressure, ac-quires a definite velocity, due to the dif-ference in pressure. For example:Steam at iSOpounds pressure expandinginto the atmosphere is capable of im--parting to itself a velocity of about 2,950feet per second, and if expanded into a jet after impact will equal the
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