Tài liệu Open channel hydraulics for engineers Chapter 1 introduction ppt

... the channel (see Fig. 1. 6). Fig. 1. 6. Uniform flow in open channel Discharge through an open channel: RiACVAQ  (1- 13) Q VA Q i L h OPEN CHANNEL HYDRAULICS FOR ENGINEERS ... units, for example from English to MKS or vice versa. Let us consider Manning’s formula for the velocity V = 2 1 3 2 i.R. n 1 (1- 19) OPEN CHANNEL...

Ngày tải lên: 20/12/2013, 19:15

... yielded e H C 1. 77 0.25 P   (5 -13 ) k H = 0.0 01 m; k L = 0 m OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 5: SPILLWAYS 10 4 5.5. BROAD-CRESTED WEIR 5.5 .1. Introduction Sharp-crested ... developed for various angles of the upstream face to the vertical. H H D 0 .11 H A C P V o OPEN CHANNEL HYDRAULICS FOR ENGINEERS...

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... 0. 61 0. 61 0.76 0.76 0.76 1. 14 1. 14 1. 14 1. 22 1. 22 1. 52 1. 83 0.76 0.76 0. 91 1. 07 1. 07 1. 07 1. 52 1. 52 1. 52 1. 52 1. 68 1. 83 1. 68 1. 98 0.46 0. 61 0. 61 0. 61 0.69 0. 61 1. 14 ... 0. 010 0. 013 0. 010 0. 011 0. 012 0. 013 0. 017 0.0 21 0.008 0.009 0. 010 0. 011 0. 010 0. 011 0. 011 0. 013 0. 012 0. 012 0....

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... sections 1- 1 and 2-2, and apply the law of conservation of momentum. Force F 1 on section 1- 1: 1 2 1 2 h 2 h 1 V 1 V 2 F 1 F 2 OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter ... E L ? Upstream depth h I ? Force on the gate? OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 3: HYDRAULIC JUMP 52 F 1 = 2 1 1 1 h .h .(h 1)...

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... -10 3. 51 1.48 16 .2 21 1 .11 0 1. 849 1. 654 1. 86E-03 1. 91E-03 1. 39E-02 -15 .279 -11 8.79 1. 5 16 .500 1. 122 1. 818 1. 668 1. 77E-03 1. 82E-03 1. 41E-02 -17 .324 -13 6 .11 1. 52 16 .7 81 1 .13 4 1. 788 1. 683 1. 69E-03 1. 73E-03 1. 44E-02 ... 1. 44E-02 -19 . 715 -15 5.83 1. 54 17 .063 1. 146 1. 758 1. 698 1. 61E-03 1. 65E-03 1. 47E-02 -22.546 -17 8.37 1....

Ngày tải lên: 20/12/2013, 19:15

... that V 1 is replaced by V 1 sin 1 . It follows that; 2 2 1 1 1 1 1 1 h h sin 1 Fr 2 h h          (6 -10 ) which reduces to Eq. (6-6) when the disturbance is small and h 2 /h 1 tends ...  1 1 1 2 2 1 V h sin V h sin       (6-8) and the momentum equation must clearly lead to the result: 2 2 1 1 2 2 1 1 1 V sin 1 h h 1 gh 2 h h  ...

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... steady uniform flow steady non-uniform flow unsteady non-uniform flow 1 2 h +z Q 1 Q 2 x datum OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 7: UNSTEADY FLOW 13 6 Continuity: ... M Q OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 7: UNSTEADY FLOW 13 4 o H h V V i x x g x           f H 1 V i x g t        (7...

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... REFERENCES 14 7 OPEN CHANNEL HYDRAULICS FOR ENGINEERS iv CONTENTS Preface iii Contents iv List of symbols vii Chapter 1: INTRODUCTION 1 1. 1. Review of fluid mechanics 1 1. 1 .1. Fluid ... 10 8 6.2 .1. The transition problem 10 8 6.2.2. Expansions and Contractions 10 8 6.3. Drop structures 11 4 6.3 .1. Introduction 11 4 6.3.2. Free overfall...

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... 49.6 McDonald’s 61. 6 60.9 Merck 21. 6 43.4 Minn. Mining & Mfg. 52 .1 27.2 Walt Disney 15 .4 16 .6 SOURCE: Forbes Magazine’s 19 99 Ranking of the 10 0 Largest U.S. Multinationals; Forbes, July 24, ... MILLENNIUM TABLE 1- 1 PERCENTAGE OF REVENUE PERCENTAGE OF NET INCOME COMPANY ORIGINATED OVERSEAS GENERATED OVERSEAS Chase Manhattan 23.9 21. 9 Coca-Cola 61. 2 65 .1 Exxon Mobil 71. 8...

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... 1. 0 0.3 1. 0 Africa (19 ) 19 61- 1970 2.8 0.7 0.2 1. 9 19 71- 1980 1. 0 1. 3 0 .1 -0.3 19 81- 1990 -1. 1 -0 .1 0.4 -1. 4 19 91- 2000 -0.2 -0 .1 0.4 -0.5 19 61- 2000 0.6 0.5 0.3 -0 .1 Latin America (22) 19 61- 1970 2.8 ... 0.5 19 71- 1980 2.8 1. 6 1. 4 0.7 19 81- 1990 6.8 2 .1 1.4 4.2 19 91- 2000 8.8 3.2 0.3 5 .1 19 61- 2000 4.8 1. 7 0.4 2.6 East Asia less China (7) 19...

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