Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 430
gh the injector, the passage-way being made with a gradually-increasing sectional area. By this means the velocity ofthe steam decreases and by aprinciple in hydraulics its pressureincresLses until it equals the boilerpressure and passes through acheck valve as feed water. To show that there is… … Fig- 153- 428 THE INJECTOR. weight of water. A pound of steam requires at least about 7 lbs. ofwater at 60 degs. to condense it. To prove this, let the steam beat 200 lbs. gross pressure. Its temperature (see table) is 382 degs.and its total heat is :— 1115 + 3 X 382 —- 1229 units per lb.The heat…
Naval architecture
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