user's manual for corhyd: an internal diffuser hydraulics model - IfH

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Fig. 17: Pop-up window for further input of local losses at ports or risers 4.6 Blocked ports (sub-menu) If the user knows blocked ports for already operating diffusers, these can be considered in the calculation to analyze this modified diffuser system. This may also be done for analyzing diffusers with temporarily closed ports in early design periods. Fig. 18 shows the input window for clogged ports, where only the number of the ports has to be put. Fig. 18: Pop-up window for clogged ports input. 4.7 Y or T-diffuser (sub-menus) If two diffuser are connected to one riser the program allows to calculate each diffuser separately and iterate to meet the joined boundary condition (equal pressure) at the end of the feeder pipe. The input for each diffuser is analogue to the input for single diffuser outfalls. Fig. 19 shows the input window for the first and Fig. 20 the input window of the second diffuser of the two diffusers. Each diffuser can be saved separately in a file. Institut für Hydromechanik, Universität Karlsruhe 41
Fig. 19: First input sub-window for first diffuser part of Y- or T-diffuser Fig. 20: Second input sub-window for second diffuser part of Y- or T-diffuser Institut für Hydromechanik, Universität Karlsruhe 42
Page 1 and 2: Universität Karlsruhe Institut fü
Page 3 and 4: Acknowledgments The authors like to
Page 5 and 6: 10.1 Local loss formulations: Divis
Page 7 and 8: 1 Introduction CorHyd is a computer
Page 9 and 10: Fig. 1: Outfall configuration showi
Page 11 and 12: where j 0 denotes the buoyancy flux
Page 13 and 14: 2.4 Manifold processes Pipe hydraul
Page 15 and 16: Fig. 8: Local port/riser branch los
Page 17 and 18: Table 2: Local loss formulations Ty
Page 19 and 20: Gradual contraction (Idelchik 1986)
Page 21 and 22: Where H denotes the headloss, V duc
Page 23 and 24: Table 3: Equivalent sand roughness
Page 25 and 26: Institut für Hydromechanik, Univer
Page 27 and 28: For a constant sea water level and
Page 29 and 30: (16) solved for r in (15) and assum
Page 31 and 32: 3.1.4 Automatic implementation of l
Page 33 and 34: elevation difference between diffus
Page 35 and 36: The iteration stops if the differen
Page 37 and 38: Table 4: CorHyd subroutines and the
Page 39 and 40: 4 Data Input Input can either be do
Page 41 and 42: (ρ 0,max > ρ 0 ). Further sensiti
Page 43: should allow for riser velocities,
Page 47 and 48: 10 7050.000 0.000 -2.500 11 7000.00
Page 49 and 50: Fig. 22: Graphical output: Energy a
Page 51 and 52: given dilution requirements and maj
Page 53 and 54: 6.3 Off design conditions It was co
Page 55 and 56: Table 5: Sensitivity of involved pa
Page 57 and 58: Fig. 24: Side view and cross sectio
Page 59 and 60: Fig. 27: Flow characteristics for d
Page 61 and 62: under different flow conditions. Th
Page 63 and 64: Fig. 32: Side view and cross sectio
Page 65 and 66: Fig. 34: Flow characteristics for:
Page 71 and 72: Table 6: Comparison of construction
Page 73 and 74: seaward end, which can be prevented
Page 75 and 76: Especially for this long diffuser a
Page 77 and 78: Jirka, G.H., Doneker, R.L. and Hint
Page 79 and 80: 10 Annex 10.1 Local loss formulatio

user's manual for corhyd: an internal diffuser hydraulics model - IfH

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