Dredging Engineering
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In our eReader you can find the full English version of the book. Read Dredging Engineering Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Dredging Engineering
What reading level is Dredging Engineering book?
To quickly assess the difficulty of the text, read a short excerpt:
H. P. = -gg^- (2. ) FIG. 33. 20 inch pump direct connected to 600 h. P. Motor, one of four built for Panama.
The actual horse power required to drive the pump is about twice the above theoretical value since the efficiency of a dredge pump is generally about 50 per cent, or a trifle less.
For maximum economy of power, the velocity through the pipe should be no more than just enough to carry the material along because higher velocity means increased friction head and increased quantity, with bot...h of which the horse power varies directly. For heavy material, such as coarse sand and gravel, however, the velocity HYDRAULIC DREDGES OF THE RIVER TYPE 79 must be higher than for silt, mud and fine sand to prevent the settlement of the material in the pipe and the conse- quent choking.
Long pipe lines require a large impeller to give the high peripheral velocity necessary to overcome the great head. However, should the same impeller be used on short lines, the engine speed would be so retarded as to prevent the engine from delivering its maximum power.
What to read after Dredging Engineering?
You can find similar books in the "Read Also" column, or choose other free books by Fred Lester Simon to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
H. P. = -gg^- (2. ) FIG. 33. 20 inch pump direct connected to 600 h. P. Motor, one of four built for Panama.
The actual horse power required to drive the pump is about twice the above theoretical value since the efficiency of a dredge pump is generally about 50 per cent, or a trifle less.
For maximum economy of power, the velocity through the pipe should be no more than just enough to carry the material along because higher velocity means increased friction head and increased quantity, with bot...h of which the horse power varies directly. For heavy material, such as coarse sand and gravel, however, the velocity HYDRAULIC DREDGES OF THE RIVER TYPE 79 must be higher than for silt, mud and fine sand to prevent the settlement of the material in the pipe and the conse- quent choking.
Long pipe lines require a large impeller to give the high peripheral velocity necessary to overcome the great head. However, should the same impeller be used on short lines, the engine speed would be so retarded as to prevent the engine from delivering its maximum power.
What to read after Dredging Engineering?
You can find similar books in the "Read Also" column, or choose other free books by Fred Lester Simon to read onlineMoreLess
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