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What is a control section in open channel flow?
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.
Critical flow factor?
The critical flow factor is a dimensionless parameter used in fluid mechanics to determine the flow rate of a fluid through a section. It is calculated by dividing the actual flow rate by the theoretical maximum flow rate. The critical flow factor helps in understanding the conditions under which flow becomes critical in pipes and channels.
Which river does the English Channel flow into?
The English Channel does not flow into any river. It is a sea link between the Atlantic Ocean and the North Sea. See the related questions section, below, for the answer to which river flows into the English Channel.
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 component uses voltage to control the size of the current flow channel?
Exam paper question.
What occurs when stream flow decreases to below the critical setting velocity of a certain size particle?
When stream flow decreases below the critical settling velocity of a certain size particle, the particle will settle out of the flow and deposit on the streambed. This process is known as sedimentation and can lead to the formation of sediment layers along the stream channel. Over time, these deposits can alter the shape and depth of the stream channel.
When stream flow decreases to below the critical settling velocit of a certain size particle occurs?
When stream flow decreases below the critical settling velocity of a certain size particle, the particle will settle out of the water column and deposit on the bed of the channel or river. This process is known as sediment deposition and can contribute to changes in channel morphology and habitat.
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 difference between a critical point and control point?
A Control Point or "CP" is any step in the flow of food where a physical, chemical or biological hazard can be controlled. Where as A Critical Control Point or "CCP" is the last step where you can intervene to prevent, eliminate or reduce a hazard to an acceptable limit.
Why mach number 1 at throat section of converging diverging nozzle?
At Mach number 1 at the throat section of a converging-diverging nozzle, the flow is said to be choked. This occurs when the flow velocity reaches the local speed of sound, leading to a critical point where the mass flow rate cannot increase any further. The design of the nozzle is crucial to achieving this critical condition for optimal performance in applications such as rocket engines and supersonic aircraft.
What has the author M T Sideris written?
M. T. Sideris has written: 'Theoretical study of the unsteady flow in a straight channel with variable and constant cross section' -- subject(s): Unsteady flow
