{"id":2373,"date":"2023-10-20T03:06:10","date_gmt":"2023-10-19T20:06:10","guid":{"rendered":"https:\/\/www.tneutron.net\/industri\/?p=2373"},"modified":"2023-10-18T09:19:49","modified_gmt":"2023-10-18T02:19:49","slug":"fluid-flow-sensor","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/industri\/fluid-flow-sensor\/","title":{"rendered":"Fluid Flow Sensor"},"content":{"rendered":"<p><span class=\"notranslate\">Flow measurements began to be known since 1732 when Henry Pitot regulated the amount of fluid flowing.<\/span> <span class=\"notranslate\"> In fluid measurements it is necessary to determine the amount and vector of the flow velocity at a point in the fluid and how the fluid changes from point to point.<\/span> <span class=\"notranslate\"> Measurement or censorship of fluid flow can be classified as follows:<\/span><br \/>\n<span class=\"notranslate\"> <strong>1. Quantity measurement<\/strong><\/span><br \/>\n<span class=\"notranslate\"> These measurements provide clues that are proportional to the total quantity that has been flowing in a given time.<\/span> <span class=\"notranslate\"> The fluid flows through the primary elements successively in a quantity more or less isolated by alternately filling and emptying the measuring vessel of known capacity.<\/span> <span class=\"notranslate\"> Quantity measurements are classified according to:<\/span><br \/>\n<span class=\"notranslate\"> a.<\/span> <span class=\"notranslate\"> Gravimetry gauge or weight measurement<\/span><br \/>\n<span class=\"notranslate\"> b.<\/span> <span class=\"notranslate\"> Volumetry gauge for liquids<\/span><br \/>\n<span class=\"notranslate\"> c.<\/span> <span class=\"notranslate\"> Volumetric meter for gas<\/span><\/p>\n<p><span class=\"notranslate\"> <strong>2. Flow rate measurement<\/strong><\/span><br \/>\n<span class=\"notranslate\"> The flow rate of <i>Q<\/i> is a function of the area of \u200b\u200bpipes <i>A<\/i> and velocity of fluid flowing through the pipe, namely:<\/span><br \/>\n<span class=\"notranslate\"> <i><strong>Q = AV<\/strong><\/i><\/span><br \/>\n<span class=\"notranslate\"> but in practice, the speed is uneven, larger at the center.<\/span> <span class=\"notranslate\"> Thus the average measured velocity of a liquid or gas may differ from the actual average speed.<\/span> <span class=\"notranslate\"> These symptoms can be corrected as follows:<\/span><br \/>\n<span class=\"notranslate\"> <i><strong>Q = KAV<\/strong><\/i><\/span><br \/>\n<span class=\"notranslate\"> where <i>K<\/i> is a constant for a given pipe and illustrates the relationship between actual average velocity and measured speed.<\/span> <span class=\"notranslate\"> Constant values \u200b\u200bcan be obtained through experiments.<\/span> <span class=\"notranslate\"> Flow rate measurements are used to measure the velocity of a liquid or gas flowing through a pipe.<\/span> <span class=\"notranslate\"> These measurements are grouped again by jemis of measured materials, liquids or gases, and according to the properties of the primary elements as follows:<\/span><br \/>\n<span class=\"notranslate\"> <strong>a.<\/strong><\/span> <span class=\"notranslate\"> <strong>Measurement of flow rates for liquids<\/strong><\/span><br \/>\n<span class=\"notranslate\"> 1) the type of deflection vane<\/span><br \/>\n<span class=\"notranslate\"> 2) the type of rotary propeller<\/span><br \/>\n<span class=\"notranslate\"> 3) helical vane type<\/span><br \/>\n<span class=\"notranslate\"> 4) type of turbine<\/span><br \/>\n<span class=\"notranslate\"> 5) the combination meter<\/span><br \/>\n<span class=\"notranslate\"> 6) magnetic flow meter<\/span><br \/>\n<span class=\"notranslate\"> 7) ultrasonic flow meter<\/span><br \/>\n<span class=\"notranslate\"> 8) range flow meters ( <i>vortex<\/i> )<\/span><br \/>\n<span class=\"notranslate\"> 9) swirl measure ( <i>swirl<\/i> )<\/span><\/p>\n<p><span class=\"notranslate\"> <strong>b.<\/strong><\/span> <span class=\"notranslate\"> <strong>Measurement of gas flow rate<\/strong><\/span><br \/>\n<span class=\"notranslate\"> 1) the type of deflection vane<\/span><br \/>\n<span class=\"notranslate\"> 2) the type of rotary propeller<\/span><br \/>\n<span class=\"notranslate\"> 3) thermal type<\/span><\/p>\n<p><span class=\"notranslate\"> <strong>3. Measurement of pressure differential method<\/strong><\/span><br \/>\n<span class=\"notranslate\"> The most widely used type of flow meter is the differential pressure measurement.<\/span> <span class=\"notranslate\"> In principle, the difference in cross sectional area of \u200b\u200bthe stream is reduced by the resulting speed increase, thus increasing the energy of movement or kinetic energy.<\/span> <span class=\"notranslate\"> Since energy can not be created or eliminated (Law of energy transfer), then this kinetic energy increase is obtained from the pressure energy that changes.<\/span><\/p>\n<p><span class=\"notranslate\"> Moreover, if the fluid moves through a uniform (pipe) carrier at a low velocity, then the motion of each particle is generally parallel along the pipe wall line.<\/span> <span class=\"notranslate\"> If the flow rate increases, the peak point is reached when the particle movement becomes more random and complex.<\/span><\/p>\n<p><span class=\"notranslate\"> The approximate speed at which this change occurs is called the critical velocity and flow at a higher rate of speed is called <i>turbulent<\/i> and at a lower rate of speed is called a <i>laminer.<\/i><\/span> <span class=\"notranslate\"> <i>The critical speed is also called the Reynolds number, written without dimension:<\/i><\/span><br \/>\n<a href=\"https:\/\/i1.wp.com\/www.tneutron.net\/industri\/wp-content\/uploads\/sites\/3\/2018\/04\/image.png?ssl=1\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"https:\/\/i2.wp.com\/www.tneutron.net\/industri\/wp-content\/uploads\/sites\/3\/2018\/04\/image_thumb.png?resize=83%2C56&amp;ssl=1\" alt=\"image\" width=\"83\" height=\"56\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Where :<\/span><br \/>\n<span class=\"notranslate\"> D = dimension of cross section of fluid flow, usually diameter<\/span><br \/>\n<span class=\"notranslate\"> \u03c1 = fluid density<\/span><br \/>\n<span class=\"notranslate\"> V = fluid velocity<\/span><br \/>\n<span class=\"notranslate\"> \u03bc = the absolute speed of the fluid<\/span><\/p>\n<p><span class=\"notranslate\"> The critical speed limits for pipes are usually between 2000 and 2300. The flow measurement of this method can be done in many ways eg using venturi pipe, pitot pipe, orifice plate (narrow opening), turbine flow meter, rotameter, thermal way, using active radio material, electromagnetics, sonic ulters and gyro flowmeter.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flow measurements began to be known since 1732 when Henry Pitot regulated the amount of fluid flowing. In fluid measurements<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[1830],"tags":[2124,5490,5487,5491,5488,5489,2126,5484,5485,5486],"class_list":["post-2373","post","type-post","status-publish","format-standard","hentry","category-english","tag-fluid-flow-meter","tag-fluid-flow-meter-experiment","tag-fluid-flow-meter-lab-report","tag-fluid-flow-meter-observation","tag-fluid-flow-meter-theory","tag-fluid-flow-meter-types","tag-fluid-flow-sensor","tag-fluid-flow-sensor-arduino","tag-fluid-flow-sensor-circuit","tag-fluid-flow-sensor-specification"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fluid Flow Sensor - TN Industri<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tneutron.net\/industri\/fluid-flow-sensor\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Fluid Flow Sensor - TN Industri\" \/>\n<meta name=\"twitter:description\" content=\"Flow measurements began to be known since 1732 when Henry Pitot regulated the amount of fluid flowing. 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