{"id":566,"date":"2009-12-13T06:35:50","date_gmt":"2009-12-13T06:35:50","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/12\/13\/lavion-russe-irkut-mc21-sera-equipe-des-futurs-reacteurs-pratt-whitney-pw1000g\/"},"modified":"2012-07-12T12:02:54","modified_gmt":"2012-07-12T12:02:54","slug":"lavion-russe-irkut-mc21-sera-equipe-des-futurs-reacteurs-pratt-whitney-pw1000g","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/12\/13\/lavion-russe-irkut-mc21-sera-equipe-des-futurs-reacteurs-pratt-whitney-pw1000g\/","title":{"rendered":"L&rsquo;avion russe Irkut MC21 sera \u00e9quip\u00e9 des futurs r\u00e9acteurs Pratt &amp;Whitney PW1000G"},"content":{"rendered":"<p>L&#039;aviation civile va devoir am\u00e9liorer sa rentabilit\u00e9 et r\u00e9duire ses \u00e9missions de GHG dans les ann\u00e9es \u00e0 venir. Les deux param\u00e8tres qui sont li\u00e9s \u00e0 la consommation de k\u00e9ros\u00e8ne par passager x kilom\u00e8tre vont heureusement de pair. Pour cela elle dispose d&#039;une large panoplie d&#039;actions possibles et parmi elles figure naturellement l&#039;utilisation de r\u00e9acteurs de nouvelle g\u00e9n\u00e9ration \u00e0 rendement accru. Pour l&#039;instant c&#039;est <strong><span>Pratt &amp; Whitney<\/span><\/strong>, avec son moteur PurePower PW1000G, qui semble avoir pris l&#039;avantage par rapport \u00e0 ses concurrents pour \u00e9quiper les futurs avions monocouloirs de 100 \u00e0 200 places. Pour atteindre de meilleurs rendements il faut accro\u00eetre la temp\u00e9rature dans la chambre de combustion, r\u00e9duire les masses et acc\u00e9l\u00e9rer ainsi la vitesse de rotation du r\u00e9acteur. Afin d&#039;\u00e9viter d&#039;accro\u00eetre inutilement l&#039;arriv\u00e9e d&#039;air dans la chambre de combustion, outre d&#039;augmenter le by-pass ratio en d\u00e9rivant le flux d&#039;air autour du coeur du r\u00e9acteur il est n\u00e9cessaire d&#039;\u00e9quiper le fan d&#039;un r\u00e9ducteur de vitesse (FIG.). Ce moteur, plus \u00e9conome et moins bruyant, constitue donc le premier exemplaire d&#039;une g\u00e9n\u00e9ration compl\u00e8tement modifi\u00e9e par rapport aux pr\u00e9c\u00e9dentes avec l&#039;utilisation de nouveaux mat\u00e9riaux r\u00e9fractaires et de mat\u00e9riaux composites plus l\u00e9gers.<\/p>\n<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20128764c8bd4970c-pi.png\"><img decoding=\"async\" alt=\"P&amp;W-PW1000G-r\u00e9ducteur\" class=\"asset asset-image at-xid-6a00d83451b18369e20128764c8bd4970c \" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/6a00d83451b18369e20128764c8bd4970c-450wi.png\" \/><\/a>&#160;<\/p>\n<p>P&amp;W vient d&#039;annoncer qu&#039;apr\u00e8s les choix de <strong><span>Bombardier <\/span><\/strong>et du japonais <strong><span>MHI <\/span><\/strong>pour leurs futurs avions monocouloirs c&#039;est au russe <strong><span>Irkut<\/span><\/strong> de choisir ce r\u00e9acteur de nouvelle g\u00e9n\u00e9ration pour son futur avion MC21 de 150 \u00e0 210 places qui devrait entrer en service en 2016.<\/p>\n<p>Voila un bel exemple de greenbusiness de la part de P&amp;W qui a per\u00e7u avant les autres, comme CFM International (alliance Snecma-GE), la n\u00e9cessit\u00e9 de r\u00e9duire de 10 \u00e0 15% les consommations en carburant des futurs r\u00e9acteurs.<\/p>\n<p><a href=\"http:\/\/www.prnewswire.com\/news-releases\/pratt--whitney-purepowerr-pw1000g-engine-selected-to-power-russias-irkut-mc-21-aircraft-78992637.html\" target=\"_blank\" title=\"Pratt &amp; Whitney\">LIRE<\/a> le communiqu\u00e9 relatif \u00e0 cette information.<\/p>\n<p>Le 13 D\u00e9cembre 2009<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#039;aviation civile va devoir am\u00e9liorer sa rentabilit\u00e9 et r\u00e9duire ses \u00e9missions de GHG dans les ann\u00e9es \u00e0 venir. Les deux param\u00e8tres qui sont li\u00e9s \u00e0 la consommation de k\u00e9ros\u00e8ne par passager x kilom\u00e8tre vont heureusement de pair. Pour cela elle dispose d&#039;une large panoplie d&#039;actions possibles et parmi elles figure naturellement l&#039;utilisation de r\u00e9acteurs de [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":21385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[166,165,167],"class_list":["post-566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rechauffement-climatique","tag-irkut","tag-pratt-whitney","tag-turbofan"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L&#039;avion russe Irkut MC21 sera \u00e9quip\u00e9 des futurs r\u00e9acteurs Pratt &amp;Whitney PW1000G - leblogenergie.com<\/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:\/\/blogs.thesocialmedia.com\/leblogenergie\/2009\/12\/13\/lavion-russe-irkut-mc21-sera-equipe-des-futurs-reacteurs-pratt-whitney-pw1000g\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"L&#039;avion russe Irkut MC21 sera \u00e9quip\u00e9 des futurs r\u00e9acteurs Pratt &amp;Whitney PW1000G - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"L&#039;aviation civile va devoir am\u00e9liorer sa rentabilit\u00e9 et r\u00e9duire ses \u00e9missions de GHG dans les ann\u00e9es \u00e0 venir. Les deux param\u00e8tres qui sont li\u00e9s \u00e0 la consommation de k\u00e9ros\u00e8ne par passager x kilom\u00e8tre vont heureusement de pair. 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