Luận văn Hydraulic modeling of open channel flows over an arbitrary 3-D surface and its applications in amenity hydraulic engineering

For more clarity, the computation has been donewith the same intake and circulation to test the effects of value of bon intake discharge without changing the submergence (Figure 4.11a) and the effects on submergence with same discharge (Figure 4.11b). This phenomenon is consistent with the physical meaning of the coefficient ' 'band it also improves the performance of bell-mouth intake. So far we have been able to verify the model qualitatively based on the fact that no previous studies are available which describe the variation in water surface profile at the intake. However, a larger quantity of experimental data has been used by Odgaard (1986) to verify the equation representing the critical submergence, which is defined as the submergence when the tip of air-core vortex just reaches the intake (Figure 4.12), in the absence of surface tension (Eq. 18 in Odgaard, 1986) presented as follows:

For more clarity, the computation has been donewith the same intake and circulation to

test the effects of value of bon intake discharge without changing the submergence

(Figure 4.11a) and the effects on submergence with same discharge (Figure 4.11b). This

phenomenon is consistent with the physical meaning of the coefficient ' 'band it also

improves the performance of bell-mouth intake.

So far we have been able to verify the model qualitatively based on the fact that no

previous studies are available which describe the variation in water surface profile at the

intake. However, a larger quantity of experimental data has been used by Odgaard (1986)

to verify the equation representing the critical submergence, which is defined as the

submergence when the tip of air-core vortex just reaches the intake (Figure 4.12), in the

absence of surface tension (Eq. 18 in Odgaard, 1986) presented as follows:

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