Vortex flowmeter capacity| Jinan water flow meter manufacturer price

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1. Principle and advantages of vortex flowmeter

The vortex flowmeter is based on the Karman vortex principle and calculates the flow rate by measuring the release frequency of alternating vortices in the fluid. It has the advantages of simple structure, low pressure loss, wide measurement range, and strong adaptability to the medium, making it an ideal alternative to throttling flowmeters. Working principle core mechanism: Vortex flowmeter uses the oscillation principle of fluid for measurement. When a fluid flows through a vortex generator (such as a triangular prism) placed inside a pipeline, regular vortices are alternately generated on both sides, and the release frequency of these vortices is proportional to the fluid flow velocity. Calculation formula: By measuring the vortex release frequency (f) and the characteristic width of the vortex generator (d), combined with the formula f=St · v/d, calculate the average flow velocity of the fluid sock cherry (v). Among them, St (Strouhal number) is a function of Reynolds number (Re), when Reynolds number is between 102 and 10? When within the range, St is approximately a constant of 0.2, and the formula is simplified to f=0.2 · v/d. Flow derivation: Based on the product of flow velocity (v) and pipeline cross-sectional area (A), the volumetric flow rate (Q=v · A) can be further calculated. If equipped with temperature and pressure sensors, the standard volumetric flow rate or mass flow rate can also be calculated through compensation. The product has the advantages of simple structure and high reliability. The vortex flowmeter consists of a vortex generator, sensor, and signal processing unit, with no moving parts. After installation, it is not easy to cause pi

peline leakage and has low maintenance costs. Compared to throttling flow meters (such as orifice flow meters), their structure is more compact and their long-term stability is significantly improved. Low pressure loss and optimized energy efficiency. When the fluid flows through the vortex generator, the pressure loss is low, especially suitable for pressure sensitive systems (such as steam pipelines), which can reduce energy consumption and lower system operating costs. Wide measurement range and strong adaptability. The range ratio can reach 10:1~20:1, covering a wide range of scenarios from low to high flow rates. Excellent medium compatibility: It can directly measure various fluids such as steam, air, gas, water, and liquid, without the need to adjust the structure or parameters for different media. No temperature and pressure compensation (basic function) is required when measuring volumetric flow rate under working conditions, without the need for additional temperature and pressure compensation devices, simplifying system configuration. If standard volumetric flow rate or mass flow rate is required, compensation calculation can be achieved through external sensors, with high flexibility. Strong anti-interference ability, stable signal with a linear relationship between vortex frequency and flow velocity, and less affected by fluid density and viscosity, resulting in high measurement accuracy. The signal processing unit can filter out noise interference to ensure stable and reliable output data. Application scenarios in the industrial field: steam metering, gas transportation, liquid filling, and other scenarios that require high-precision flow measurement. Management of energy sources: monitoring of boiler inlet

Vortex flowmeter capacity

1. Principle and advantages of vortex flowmeter

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