By Ven Te Chow
Open-Channel Hydraulics, initially released in 1959, has been defined as the best textbooks ever written. it is transparent descriptions of undying basic rules make Chow a vintage. an individual desirous to study, to educate, and to paintings with water and fluids needs to personal a replica. Open-Channel Hydraulics bargains with the layout for stream in open channels and their similar buildings. overlaying either thought and perform, it makes an attempt to bridge the space that often exists among the 2. concept is brought first and is then utilized to layout difficulties. in lots of circumstances the applying of thought is illustrated with functional examples. thought is usually simplified through adopting theoretically much less rigorous remedies with sound options, by way of keeping off use of complex mathematical manipulations, or by way of exchanging such manipulations with functional numerical methods. To facilitate figuring out of the subject material, the therapy is generally in response to the of 1- or two-dimensional stream. The publication offers normally with American perform but in addition contains similar info from many nations through the global. fabric is split into 5 major sections for an orderly and logical remedy of the topic: simple ideas. Uniform move, diversified circulation, swiftly assorted movement, and Unsteady stream. There are sixty seven illustrative examples, 282 illustrations, 319 difficulties, and 810 references. This vintage textbook used to be the 1st English-language ebook at the topic in twenty years. Open-Channel Hydraulics is a priceless textual content for college kids of engineering mechanics. hydraulics. civil. agricultural. sanitary. and mechanical engineering, and a beneficial compendium for practising engineers.
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H. A, Doeringsfeld and C, L. societv of Civil Engineers, vol. 106, pp. r , 7. , revised by Emest F. Brater. McGraw-Hili Book Company, Inc" New York, 1954, pp, 6-1 to 6-Ht 8. H. J. S. Geologica! Sm'vcy, Cir~ltlar 397, 1957. 9. H. S, 2e semestre, pp, 393-448, October, 188B. richal and John C. gs, Engingers' Club of Philadelphia, voL 7, no. p. )!. 9, no. 3, pp. 231-24~, and no. 4, pp. 287-319, 1892; and vol. 10, no. 2, pp. 121-164, 1893. 10, R. E. cal Survey, Waler S1I'pply and Irrigation Paper 150, 1906; revisedas Paper 200, 1907.
CHApTER I~- 4 CRITICAL FLOW: ITS COMPUTATION AND AP:PLICATIONS 4-1. Critical Flow. 1! l important conditions. 1 Recapitulating, they are (1) the specific energy is a minimum for (l. given discharge; (2) the discharge is a maximum for a given specific energy (Frob. 3-7); (3) the specific force is a minimum for a discharge; (4) the velocity head is equal to half the hydraulic depth in a channel of small slope; (5) the Froude number is equal to unity; and (6) the velocity of flow in a channel of small slope with uniform velocity distribution is equal to the celeri~y of small gravity waves in shallow wat,el' caused by local clisturbances.
IlAl = il.... + ZZA2 gAl FIG. 3-8. Momentum principle ~pplied to flow over a broad-cregted weir. Boilltiun. The assumptions to be made in this solution (Fig. 3"8) are (1) the frictional forces Fr' and F," are negligible; (2) the depth y. Ired below the upstreamwatei: surface, or.. p .. = Hwh[y, +- (YI - 11,)] = Hwh(2YI - h) The accuracy (If the last assumption has been checked ~xperimentally [61. If the momentum equation (3-14) is ·applied to the body of water between the upstream J .. ""; 7 (~~4li/M :: , .