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1. What is a turbocharger flowmeter?
The Turbine Boost Flow Meter is a special type of flow meter that combines turbine flow meters with turbocharging technology.. The conventional turbine flowmeter is based on the principle of fluid passing through a rotating turbine to generate rotational torque for flow measurement. The turbine blades are fixed in the channel of fluid flow, and when the fluid passes through the channel, the turbine blades are subjected to fluid forces and rotate. By measuring the speed of the turbine, the flow rate of the fluid can be calculated. The turbocharger flowmeter combines the above principles with turbocharging technology. It adds a boosting device on the basis of the conventional turbine flowmeter, which compresses the fluid before passing through the turbine and then enters the turbine for measurement. The working principle of a turbocharger flowmeter is as follows: Compressed fluid: The fluid entering the turbocharger flowmeter will first pass through a boosting device, usually a centrifugal compressor or a propeller centrifugal fan. The pressurization device will pressurize and compress the fluid, increasing its kinetic energy and velocity. Fluid passes through the turbine: After being pressurized, the fluid enters the turbine cavity, and the high-speed flow of the fluid exerts force on the turbine blades, causing them to rotate. Measuring flow rate through turbine speed: The speed of the turbine is directly proportional to the flow rate of the fluid. The sensor will measure the speed of the turbine and convert the speed signal into the corresponding flow value.
2. High score reward~~Water conservancy and hydropower professional English translation, declined soft
Absolute manual translation took me a long time. Please donate more. The tailwater channel refers to the channel where water flows through the turbine and is discharged.
. If the power station is relatively close to the river, the water flowing out can be directly discharged into the river, but in other cases, there may be a certain length of diversion canal between the plant and the river. In the design of some hydropower stations, the tailwater pipe plays a seriously neglected and important role. In many low head power stations, if a little attention is paid to the design of the tailwater pipe, the gross water head of the power station can be utilized to a greater extent within a small range of cost control. The unlined tailwater channel is prone to damage, which means that the tailwater level will decrease due to erosion at the bottom of the channel. Sometimes, this situation occurs when the tailwater level drops below the top of the tailwater pipe outlet, which can reduce the efficiency of the turbine. To solve this problem, an overflow dam must be built in the tailwater channel to ensure that the tailwater level returns to the normal level. Sometimes, when the tailwater level rises, it can cause the riverbed to rise, resulting in a decrease in the gross water head of the power station. This situation may occur when the spillway overflow is very close to the tailwater channel and there is no suitable diversion embankment. If there is excessive sedimentation, it is necessary to remove it through dredging or other methods. In any case, for the hydraulic design of the tailwater channel, it is necessary to understand the tailwater level status at different flow velocities. In some cases, resear
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