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Compressible-Flow

1. The dimensions of a rectangular channel section is2.5m×1m. Calculate value of Sf if bed slope of channel is 1 in 600. Given: dy/dx=1.52×10-3m.


Hint Answer

2. Calculate value of Sf for a trapezoidal channel having depth 2m, width 5m and side slope of 1H:1.5V. Given: dy/dx=1.18×10-3,S0 = 1 in 1000, C = 50.


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3. Determine dynamic equation for rate of change of depth having bed slope S0 and slope of total energy line Sf in terms of Froude’s number.
Determine dynamic equation for rate of change of depth having bed slope S0 and slope of total energy line Sf in terms of Froude’s number.\r\n \r\n


Hint Answer

4. When Yn > Yc and So > 0, it is called a _____


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5. The rate of change of depth is given by 1/x2 and rate of change of specific energy is given by 3x2 with x ranging from 0 to 0.2, calculate value of Froude’s number.


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6. A slope based on culvert bottom is called______


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7. Determine length of back water curve if E1=2.8m and E2=5.6m. Given:S0=0.00009 Sf= 0.00004.


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8. In which case is hydraulic jump not possible?


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9. The dimensions of a rectangular channel is 3m×2m and bed slope of channel is 1 in 1000, calculate rate of change of depth if rate of change of specific energy is 2×10-5m. Given: n = 0.010


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10. An example of common hydraulic jump is________


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Topics

This Chapter Compressible-Flow consists of the following topics

Non Uniform Flow in Channels

The dimensions of a rectangular channel section is2.5m×1m. Calculate value of Sf if bed slope of channel is 1 in 600. Given: dy/dx=1.52×10-3m.

;

Calculate value of Sf for a trapezoidal channel having depth 2m, width 5m and side slope of 1H:1.5V. Given: dy/dx=1.18×10-3,S0 = 1 in 1000, C = 50.

;

Determine dynamic equation for rate of change of depth having bed slope S0 and slope of total energy line Sf in terms of Froude’s number.
Determine dynamic equation for rate of change of depth having bed slope S0 and slope of total energy line Sf in terms of Froude’s number.\r\n \r\n

;

When Yn > Yc and So > 0, it is called a _____

;

The rate of change of depth is given by 1/x2 and rate of change of specific energy is given by 3x2 with x ranging from 0 to 0.2, calculate value of Froude’s number.

;

A slope based on culvert bottom is called______

;

Determine length of back water curve if E1=2.8m and E2=5.6m. Given:S0=0.00009 Sf= 0.00004.

;

In which case is hydraulic jump not possible?

;

The dimensions of a rectangular channel is 3m×2m and bed slope of channel is 1 in 1000, calculate rate of change of depth if rate of change of specific energy is 2×10-5m. Given: n = 0.010

;

An example of common hydraulic jump is________

;