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1. May I ask how to translate "vortex flowmeter" in English?
Vortex flowmeter: Vortex Flowmeter. Translation of other flowmeters for reference: Electromagnetic flowmeter: Electromagnetic flowmeter. Coriolis mass flowmeter. Open channel flowmeter: Orifice Plate flowmeter. Rotary flowmeter: Rotameter. Turbine flowmeter: Turbine flowmeter. Thermal flowmeter: Calorimetric flowmeter. Volume flowmeter: Positive Displacement (PD) flowmeter. Ultrasonic flowmeter: Ultrasonic flowmeter. Venturi flowmeter: Venturi flowmeter. Thermal mass flowmeter: Thermal Mass flowmeter. Multiphase flowmeter: Flumes and Weirs flowmeter
2. Advantages and disadvantages of electromagnetic flowmeter?
Analysis of the Current Advantages and Disadvantages of Electromagnetic Flowmeters Electromagnetic Flowmeters (EMF) are a new type of flow measurement instrument that rapidly developed in the 1950s and 1960s with the advancement of electronic technology.
. Electromagnetic flowmeter is an instrument made according to Faradays law of electromagnetic induction, used to measure the volumetric flow rate of conductive liquids. Due to its unique advantages, it has been widely used for flow measurement of various conductive liquids in industrial processes, such as corrosive media such as acids, alkalis, salts, etc; Various slurry flow measurements have formed unique application fields. Structurally, an electromagnetic flowmeter consists of two parts: an electromagnetic flow sensor and a converter. Sensors are installed on industrial process pipelines, and their function is to linearly transform the volume flow rate value of the liquid flowing into the pipeline into an induced potential signal, and send this signal to the converter through a transmission line. The converter is installed not too far from the sensor, which amplifies the flow signal sent by the sensor and converts it into a standard electrical signal output proportional to the flow signal for display, accumulation, and adjustment control. The main advantages of electromagnetic flowmeter are as follows: 1) The sensor structure of electromagnetic flowmeter is simple, there are no movable parts in the measuring tube, and there are no throttling components that hinder fluid flow. So when the fluid passes through the flowmeter, it will not cause any additional pressure loss, making it one of the flow meters with the lowest operating energy consumption. 2) It can measure the flow rate of contaminated media, corrosive media, and suspended liquid-solid two-phase flow. This is because there are no obstructing flow components inside the instrument measuring tube, and only the inner lining and electrodes of the measuring tube are in contact with the measured fluid. The material can be selected according to the properties of the measured fluid. For example, using polytetrafluoroethylene or polytetrafluoroethylene as lining can measure various corrosive media such as acids, alkalis, salts, etc; The use of wear-resistant rubber as an inner lining is particularly suitable for measuring liquid-solid two-phase flows such as slurry and cement slurry with solid particles and high wear, as well as various suspended liquids such as fibrous liquids and pulp. 3) Electromagnetic flowmeter is a volumetric flow measurement instrument that is not affected by the temperature, viscosity, density, or conductivity (within a certain range) of the measured medium during the measurement process. Therefore, after bei