Triple Quadruple Expansion Engines Boilers And Their Management
Triple Quadruple Expansion Engines Boilers And Their Management
A Ritchie Alexander Ritchie Leask
The book Triple Quadruple Expansion Engines Boilers And Their Management was written by author A Ritchie Alexander Ritchie Leask Here you can read free online of Triple Quadruple Expansion Engines Boilers And Their Management book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Triple Quadruple Expansion Engines Boilers And Their Management a good or bad book?
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1 1 7 coal per square foot of fire-grate was due to another cause operating, and that cause showed its effect pretty plainly later on when steel was introduced, and furnaces were made very much larger in diameter than formerly. When this had been done, grates were consequently decreased in length in proportion to their increased breadth. This change came about slowly without any one noticing the effect, and the only indication of it was when it became known that some engineer, by shortening his... furnace bars, had obtained better results than formerly. It seemed very much like a paradox, but there appears very good reason for it on mature reflection, for it will be readily seen that any increase of grate surface obtained by an increase in diameter of furnace must be small in comparison with that effected in the area for air supply, because, while the grate area would increase directly with the diameter of the furnace, the area for air supply would increase in the ratio of the square of the diameter.
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