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in open channel flow Control sections occur at entrances and exits to channels and at changes in channel slopes, under certain conditions. A gate in a channel
can be a control for both the upstream and downstream reaches. In a the flow passes through critical at the entrance to a channel, and the depth can be computed there for a given discharge. The channel is steep; therefore, computations proceed downstream.
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Why critical section is a control section in open channel flow?
In open channel flow, the critical section is the point where the flow transitions between subcritical and supercritical states, which significantly affects hydraulic behavior. At this section, the flow velocity and depth reach a critical balance, allowing for the efficient movement of water while minimizing energy losses. The critical depth is essential for analyzing flow characteristics, such as flow rate and energy, and it serves as a control point for determining the behavior of the entire channel system. Understanding the critical section helps engineers design effective drainage systems and manage water resources efficiently.
Differentiate between open channel flow and pipe flow?
The open channel flow has a free or rather open surface whereas the pipe flow has a closed surface.
Differentiate between open channel flow and pipe flow-?
The open channel flow has a free surface whereas the pipe flow has a closed surface.
What is difference between the open channel and closed channel flow?
open cahannel flow and pipe flow Open channel is always at atmospheric pressure Pipe flow has pressure either above or below atm
What is prismatic channel?
A prismatic channel is a type of open channel with a trapezoidal cross-section. It has a flat bottom and side slopes that form a trapezium shape. Prismatic channels are commonly used in engineering for water flow and drainage systems.
What is area velocity method?
The area velocity method is a commonly used technique in open channel flow measurement. It involves measuring the velocity of flow at different points in the channel cross-section and integrating these velocities to determine the flow rate. By multiplying the flow rate by the cross-sectional area of the channel, the method can calculate the volume of fluid passing through the channel over time.
What is a wall or plate placed in an open channel to measure the flow of water called?
sonometer
What is the relation between alternate depths in rectangular open channels?
In rectangular open channels, alternate depths refer to two different water depths that the flow can take within the channel. These depths are symmetrically positioned about the channel bottom and are a result of the conservation of energy in the flow. The alternate depths occur when the flow transitions between supercritical and subcritical flow conditions within the channel.
What is the hydraulic depth?
Hydraulic depth is a measure of the distance from the free surface to the channel bed in a fluid flow system. It is calculated as the cross-sectional area of flow divided by the top width of the flow. It is used in fluid mechanics to analyze the characteristics of open channel flow.
Where can I find the solution manual for Chaudhry M. Hanif's Open Channel Flow?
Sorry..there is no solution for that solution u are trying to fix.
What has the author B Mutlu Sumer written?
B. Mutlu Sumer has written: 'Dispersion of suspended particles in open-channel flow'
What is a wall called which is placed in an open channel to measure water flow?
A wall placed in an open channel to measure water flow is called a "weir." Weirs are often designed to create a controlled overflow of water, allowing for the measurement of flow rate based on the height of the water above the weir. They are commonly used in hydrology and water resource management to monitor streamflow and maintain water levels.
