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1. What are the differences between a vortex flowmeter and a turbine?
Firstly, the measurement principles are different. Secondly, the measurement accuracy is also different: the vortex street measurement accuracy for liquids is 1.0, and the measurement accuracy for gases and vapors is 1.5; The maximum accuracy of measuring liquid with the vortex collapse flowmeter in the liquid reserve book is 0.2, which can also reach 0.5 in the imitation of Xiaohong; Measurement accuracy of gas 0.5.
2. Differences between turbine flowmeter and vortex flowmeter
1. Different design principles. Turbine flowmeter focuses on measuring liquids and belongs to the velocity beam flowmeter. The principle is to use the relationship between the rotational angular velocity of the impeller placed in the liquid and the liquid flow velocity to calculate the liquid flow rate by measuring the impeller speed. The vortex flowmeter is designed and manufactured based on the Karman vortex principle. The principle of fluid oscillation is applied to measure flow rate. When the fluid passes through the vortex flow transmitter in the pipeline, two columns of vortices proportional to the flow velocity are alternately generated up and down behind the vortex generator in the triangular column. The release frequency of the vortices is related to the average velocity of the fluid flowing through the vortex generator and the characteristics of the vortex generator.
2、 The vortex flowmeter is mainly used for flow measurement of industrial pipeline media fluids, such as gases, liquids, vapors, and other media, with different application ranges. Turbine flow meters are widely used to measure the amount of trapped gas in various obj
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3、 Different characteristics of turbine flow meters include simple structure, few processed parts, light weight, easy maintenance, high flow capacity (large flow rate that can pass through the same caliber), and adaptability to high parameters (high temperature, high pressure, and low temperature). The characteristics of vortex flowmeter are small pressure loss, large range, high accuracy, and it is almost unaffected by parameters such as fluid density, pressure, temperature, viscosity, etc. when measuring volumetric flow rate under working conditions. No movable mechanical parts, therefore high reliability and low maintenance. The instrument parameters can be stable for a long time.
3. Differences between turbine flowmeter and vortex flowmeter
1. The design principles of turbine flowmeter and vortex flowmeter are different.. Turbine flowmeter is mainly used for measuring liquids, and it is a velocity flowmeter. Its working principle is based on the relationship between the rotational angular velocity and flow velocity of the impeller in the fluid, and the flow rate of the liquid is determined by measuring the rotational speed of the impeller. The vortex flowmeter is manufactured based on the Karman vortex principle, which calculates the flow rate by measuring the vortex frequency generated by the fluid passing through a specific device in the pipeline. This frequency is related to the flow velocity and device characteristics. The application scope of the two flowmeters is also different. Vortex flowmeters are widely used in industrial applications to measure the flow of
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