The effect of the physical properties of the fluid on the flow meter

Abstract: The information on the influence of the physical properties of the fluid on the flow meter is provided by the excellent manufacturers of flow meters and flow meters. When customers are purchasing a flowmeter, as a flowmeter manufacturer, we will definitely ask a series of questions, what is the density of the fluid, whether the fluid is corrosive, the working pressure of the fluid, the temperature of the fluid, etc. These questions Is it necessary to ask? More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the article on the influence of the physical properties of the fluid on the flowmeter. When customers are purchasing a flowmeter, as a flowmeter manufacturer, we will definitely ask a series of questions, what is the density of the fluid, whether the fluid is corrosive, the working pressure of the fluid, the temperature of the fluid, etc. These questions Is it necessary to ask? The above mentioned are actually related to the physical property parameters of the fluid. The influence of the physical property parameters of the fluid on the flow characteristics is one of the main issues in the design, calculation and use of flowmeters. The influence of physical properties on the flowmeter varies depending on the working principle. At present, the general flowmeter has some smooth physical properties: 1 density; 2 viscosity; 3 electrical conductivity; 4 sound velocity; 5 thermal conductivity; 6 isentropic index; 7 specific heat capacity; 8 chemical corrosion; 9 scaling; 10 lubricity; 11 phase transition; 12 abrasiveness. Why must master the physical parameters? What is the use of mastering physical parameters? 1. Selection based on the flowmeter selection is mainly to understand the performance of the instrument and the physical properties of the measured medium. The physical parameters of the fluid are an important part of the characteristics of the measured object. When used in the field, there are many instances in which the measurement fails to meet the requirements due to insufficient or inaccurate grasp of the physical parameters of the fluid. 2. Design and calculation of flowmeter In the design and calculation of flowmeter, physical parameters are one of the main parameters. To make the design calculation accurate and reliable, the provision of basic data is indispensable. 3. On-site use and maintenance The change of the physical properties of the fluid is one of the main reasons for the additional error of flow measurement during on-site use. To reduce the additional error of the measurement, the influence of physical parameters on the characteristics of the flowmeter should be discussed in depth. Some problems existing in the physical parameters of the instrument industry at present 1. Lack of online physical property measuring instruments, poor quality and narrow application range In order to improve the accuracy of flow measurement, it is urgent to develop online physical property measuring instruments, so that online corrections can be made during the measurement process. Density and viscosity online measuring instruments (transmitters) are not only technically complex, expensive, and have a narrow range of applications, so they cannot be widely used; 2. The accuracy of physical parameter data is low, the confidence level is poor, and the data is not uniform. The fluid used for flow measurement The physical parameter data are generally taken from various physical, chemical and engineering manuals. Due to the mixed sources, inconsistent data, and different requirements for the use of various manuals, it is difficult to meet the requirements of high accuracy of flow measurement and the need to clarify the accuracy value. The physical properties of many fluids Insufficient data, or even no data at all, especially the physical parameters of high-parameter (high pressure, high temperature, low temperature, high vacuum, etc.) fluids and multi-component fluids (fluid mixtures), not only have poor confidence, but are even completely lacking; 3. Lack of dedicated physical properties The manual takes into account the influence of fluid physical parameters on the measurement accuracy. Foreign national standards for physical properties have been formulated for a few physical parameters. However, it is more realistic to compile a special manual for flow measurement physical parameters for a large number of physical parameters. The manual can provide more complete and unified The data. Especially with the popularization of computer use, physical parameters can no longer meet the requirements only with graphs, and it is urgent to provide various calculation formulas for easy use. Shichengfeng flow meter, 30 years of brand, 30 years of professionalism, professional selection, professional quotation, summarizes the experience of production practice in the past 30 years, and strives to develop various flow measurement products, according to the needs of different customers, different customers According to the requirements of the equipment, we professionally customize all kinds of non-standard flowmeter products for customers in full accordance with the parameters and requirements provided by customers.“Tailored”,persist in“Quality*, User*”The factory management policy ensures long-term stability and continuous improvement of product quality, and provides users with high-quality products and perfect services. To ensure that the factory flowmeter exerts the greatest effect, and brings more convenience and benefits to customers. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'The influence of the physical properties of the fluid on the flow meter'

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