{"id":3244,"date":"2014-06-07T12:06:12","date_gmt":"2014-06-07T11:06:12","guid":{"rendered":"https:\/\/www.ultraflux.net\/mesure-fluides-gazeux-2\/"},"modified":"2015-05-29T15:15:26","modified_gmt":"2015-05-29T14:15:26","slug":"gas-flow-rate-measurement","status":"publish","type":"page","link":"https:\/\/www.ultraflux.net\/en\/expertise\/gas-flow-rate-measurement\/","title":{"rendered":"Gas flow rate measurement"},"content":{"rendered":"<ul class=\"gallery\"><li class=\"active image-1\"><p><img width=\"1000\" height=\"1000\" src=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/St-Illiers-1000x1000.jpg\" class=\"attachment-large size-large\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/St-Illiers-1000x1000.jpg 1000w, https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/St-Illiers-1000x1000-150x150.jpg 150w, https:\/\/www.ultraflux.net\/wp-content\/uploads\/2014\/06\/St-Illiers-1000x1000-300x300.jpg 300w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p><\/li><\/ul><nav id=\"gallery-nav\"><ul class=\"gallery-nav\"><li class=\"active image-1\"><p><\/p><\/li><\/ul><\/nav>\n<div class=\"block_enhanced\"><p>\nThe method used is the same as for liquids, i.e. measuring using <strong>transit time difference<\/strong> in a <a title=\"Full pipe flow rate measurement\" href=\"https:\/\/www.ultraflux.net\/en\/full-pipe-flow-rate-measurement\/\" target=\"_blank\">full pipe (or pressure conduit)<\/a>. However, there are some differences involved in taking gas measurements.<\/p>\n<\/div>\n<div class=\"block\"><div class=\"title\">Specific features of the probes<\/div><div class=\"text\"><div class=\"text-container\"><p>\nIn order to measure ultrasound flow, the ultrasounds emitted from the transmitter probe must arrive at the receiver probe with sufficient energy. To achieve this with a gas fluid requires probes that enable the best adaptation to the acoustic impedance of the gas to be measured (the acoustic impedance of a medium can be found by multiplying sound propagation speed by the density of the medium). As they are in direct contact with the gas, the probes must also be designed to resist chemicals and withstand high pressure. Ultraflux has developed supports specifically with these constraints in mind. These supports enable the probes to be installed and removed under pressure, in certain conditions.<\/p>\n<\/div><\/div><\/div>\n<div class=\"block\"><div class=\"title\">Specificities relating to acoustic transmission<\/div><div class=\"text\"><div class=\"text-container\"><p>\nThe quantity of energy transmitted in the gas increases with the acoustic impedance of said gas. The higher the pressure, the more energy will be transmitted.<\/p>\n<\/div><\/div><\/div>\n<div class=\"block\"><div class=\"title\">Specificities relating to noisy environments<\/div><div class=\"text\"><div class=\"text-container\"><p>\nControl valves or expansion valves can be found in several industrial applications. These valves generate noise. They interfere with the signals transmitted and adversely affect the measurement quality. It is therefore a good idea to move these disruptive elements away from the measuring point.<\/p>\n<\/div><\/div><\/div>\n<div class=\"block_enhanced\"><p>\n<span style=\"font-size: 13px;\">Ultraflux measures gas flow <strong>up to 100 bar<\/strong>\u00a0for speeds of up to <strong>30 m\/s<\/strong>.<\/span><\/p>\n<\/div>\n<div class=\"block_enhanced\"><p>\n<span style=\"font-size: 13px;\"><em>Click on the following link to discover our <a title=\"Flowmeters \u2013 gas applications\" href=\"https:\/\/www.ultraflux.net\/en\/flowmeters-gas-applications\/\">flow meters for gas<\/a>.<\/em><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":5588,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gas flow rate measurement | Ultraflux - Expert in flow meters<\/title>\n<meta name=\"description\" content=\"Discover ultrasonic gas flow rate measurement and find the best flow meter for your application. 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