According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

Irrigation Engineering
According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

V₀ = 0.84 mD0.54

V₀ = 0.55 mD0.64

V₀ = 0.55 mD0.54

V₀ = 0.84 mD0.64

V₀ = 0.84 mD0.54

V₀ = 0.55 mD0.64

V₀ = 0.55 mD0.54

V₀ = 0.84 mD0.64

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Irrigation Engineering
If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is

B = Δ (8.64 B/D)

Δ = (8.6 B/D)

D = (8.6 Δ/B)

D = Δ (8.64 D/B)

B = Δ (8.64 B/D)

Δ = (8.6 B/D)

D = (8.6 Δ/B)

D = Δ (8.64 D/B)

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Irrigation Engineering
A hydraulic jump is generally formed when a stream moving with

A hyper-critical velocity meets a stream moving with a hyper-critical velocity

A hyper-critical velocity meets a stream moving with a sub-critical velocity

A sub-critical velocity meets a stream moving with a hyper-critical velocity

A hyper-critical velocity meets a stream moving with a critical velocity

A hyper-critical velocity meets a stream moving with a hyper-critical velocity

A hyper-critical velocity meets a stream moving with a sub-critical velocity

A sub-critical velocity meets a stream moving with a hyper-critical velocity

A hyper-critical velocity meets a stream moving with a critical velocity

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Irrigation Engineering
When a canal is carried over a natural drainage, the structure provided, is known as

Syphon

Super passage

Aqueduct

Syphon-aqueduct

Syphon

Super passage

Aqueduct

Syphon-aqueduct

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Irrigation Engineering
For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

Bligh's theory

Electrical analogy method

Khosla's method of independent variables

The relaxation method

Bligh's theory

Electrical analogy method

Khosla's method of independent variables

The relaxation method

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Irrigation Engineering
Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be

15m

38m

91m

19m

15m

38m

91m

19m

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Irrigation Engineering

Irrigation Engineering According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

Irrigation Engineering If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is

Irrigation Engineering A hydraulic jump is generally formed when a stream moving with

Irrigation Engineering When a canal is carried over a natural drainage, the structure provided, is known as

Irrigation Engineering For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

Irrigation Engineering Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be

Irrigation Engineering
According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

Irrigation Engineering
If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is

Irrigation Engineering
A hydraulic jump is generally formed when a stream moving with

Irrigation Engineering
When a canal is carried over a natural drainage, the structure provided, is known as

Irrigation Engineering
For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

Irrigation Engineering
Wetted perimeter of a regime channel for a discharge of 64 cumecs as per Lacey’s theory will be