{"id":6405,"date":"2021-03-24T16:48:44","date_gmt":"2021-03-24T15:48:44","guid":{"rendered":"https:\/\/soclema.com\/?p=6405"},"modified":"2021-04-01T17:27:15","modified_gmt":"2021-04-01T15:27:15","slug":"profondeur-dinsertion-vibration-dune-canne-de-prelevement","status":"publish","type":"post","link":"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/","title":{"rendered":"Profondeur d&#8217;insertion et vibration d&#8217;une canne de pr\u00e9l\u00e8vement"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>Dans l\u2019industrie, la pratique voulait et veut parfois encore que l&#8217;on ins\u00e8re <strong>la canne de pr\u00e9l\u00e8vement jusqu&#8217;au deuxi\u00e8me tiers de la canalisation<\/strong>. Cela peut poser des probl\u00e8mes car la sonde peut se mettre \u00e0 vibrer.<\/p>\n<p>Il est vrai que l\u2019extr\u00e9mit\u00e9 de la canne de pr\u00e9l\u00e8vement doit \u00eatre suffisamment \u00e9loign\u00e9e de la paroi pour que la membrane soit dans le flux de gaz et pour \u00e9viter qu\u2019elle soit en contact avec les liquides \u00e9ventuellement pr\u00e9sents le long de la paroi.<\/p>\n<p>N\u00e9anmoins, il est \u00e9galement indispensable de limiter la longueur de canne \u00e0 l\u2019int\u00e9rieur de la canalisation pour \u00e9viter tout d\u00e9faillance li\u00e9e aux ph\u00e9nom\u00e8nes vibratoires.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4703 alignleft\" src=\"https:\/\/soclema.com\/wp-content\/uploads\/2019\/10\/soclema_longueur-insertion-canne-400x300.jpg\" alt=\"\" width=\"204\" height=\"153\" \/>La norme GPA 2166 pr\u00e9cise que <strong>les cannes ne doivent en aucun cas \u00eatre ins\u00e9r\u00e9es \u00e0 plus de 25 cm<\/strong> (10 pouces).<\/p>\n<p>La norme <strong>ISO 10715<\/strong> qui donne les lignes directrices pour l&#8217;\u00e9chantillonnage de gaz naturel, devrait d&#8217;ailleurs prochainement apporter des modifications dans ce sens.<\/p>\n<p><span style=\"color: red;\">SOCLEMA et A+ Corporation recommandent donc vivement de ne pas ins\u00e9rer les cannes de pr\u00e9l\u00e8vement \u00e0 plus de <strong>3-5&#8243; (environ 10 cm).<\/strong><\/span> D&#8217;une part cela n\u2019est pas n\u00e9cessaire et d&#8217;autre part plus la canne est ins\u00e9r\u00e9e dans la canalisation, plus elle sera sujette aux vibrations.<\/p>\n<p>Des tests ont \u00e9t\u00e9 r\u00e9alis\u00e9s par l\u2019Institut de Recherche du Gaz aux Etats-Unis pour voir l\u2019incidence de la longueur d\u2019insertion sur la densit\u00e9 du gaz et la valeur \u00e9nerg\u00e9tique. Des \u00e9chantillons ont \u00e9t\u00e9 pr\u00e9lev\u00e9s \u00e0 diff\u00e9rents endroits dans la canalisation. Les tests n\u2019ont pas r\u00e9v\u00e9l\u00e9 de diff\u00e9rence significative sur la densit\u00e9 ou la valeur \u00e9nerg\u00e9tique de l\u2019\u00e9chantillon.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Dans l\u2019industrie, la pratique voulait et veut parfois encore que l&#8217;on ins\u00e8re la canne de pr\u00e9l\u00e8vement jusqu&#8217;au deuxi\u00e8me tiers de la canalisation. Cela peut poser des probl\u00e8mes car la sonde peut se mettre \u00e0 vibrer. Il est vrai que l\u2019extr\u00e9mit\u00e9 de la canne de pr\u00e9l\u00e8vement doit \u00eatre suffisamment \u00e9loign\u00e9e de la paroi pour que [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":4673,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Profondeur d&#039;insertion et vibration d&#039;une canne de pr\u00e9l\u00e8vement - Soclema<\/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:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Profondeur d&#039;insertion et vibration d&#039;une canne de pr\u00e9l\u00e8vement - Soclema\" \/>\n<meta property=\"og:description\" content=\"&nbsp; Dans l\u2019industrie, la pratique voulait et veut parfois encore que l&#8217;on ins\u00e8re la canne de pr\u00e9l\u00e8vement jusqu&#8217;au deuxi\u00e8me tiers de la canalisation. Cela peut poser des probl\u00e8mes car la sonde peut se mettre \u00e0 vibrer. Il est vrai que l\u2019extr\u00e9mit\u00e9 de la canne de pr\u00e9l\u00e8vement doit \u00eatre suffisamment \u00e9loign\u00e9e de la paroi pour que [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/\" \/>\n<meta property=\"og:site_name\" content=\"Soclema\" \/>\n<meta property=\"article:published_time\" content=\"2021-03-24T15:48:44+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-04-01T15:27:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/soclema.com\/les-actualites\/wp-content\/uploads\/2019\/10\/soclema_longueur-insertion-canne-pr\u00e9l\u00e8vement-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"250\" \/>\n\t<meta property=\"og:image:height\" content=\"183\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Fabienne Fronti\u00e8re\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fabienne Fronti\u00e8re\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/\"},\"author\":{\"name\":\"Fabienne Fronti\u00e8re\",\"@id\":\"https:\/\/soclema.com\/les-actualites\/#\/schema\/person\/e458f2d36ae1a6f21885f76b85591d45\"},\"headline\":\"Profondeur d&#8217;insertion et vibration d&#8217;une canne de pr\u00e9l\u00e8vement\",\"datePublished\":\"2021-03-24T15:48:44+00:00\",\"dateModified\":\"2021-04-01T15:27:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/\"},\"wordCount\":299,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/soclema.com\/les-actualites\/wp-content\/uploads\/2019\/10\/soclema_longueur-insertion-canne-pr\u00e9l\u00e8vement-2.jpg\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/\",\"url\":\"https:\/\/soclema.com\/les-actualites\/2021\/03\/24\/profondeur-dinsertion-vibration-dune-canne-de-prelevement\/\",\"name\":\"Profondeur d'insertion et vibration d'une canne de pr\u00e9l\u00e8vement - 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