{"id":2450,"date":"2022-07-08T18:07:34","date_gmt":"2022-07-08T18:07:34","guid":{"rendered":"https:\/\/mecagro.md\/?p=2450"},"modified":"2022-07-08T18:14:46","modified_gmt":"2022-07-08T18:14:46","slug":"performantele-motorului-cu-aprindere-prin-comprimare-alimentat-cu-biocombustibil-si-dotat-cu-sistem-de-preincalzire","status":"publish","type":"post","link":"https:\/\/mecagro.md\/ru\/performantele-motorului-cu-aprindere-prin-comprimare-alimentat-cu-biocombustibil-si-dotat-cu-sistem-de-preincalzire\/","title":{"rendered":"Performan\u0163ele motorului cu aprindere prin comprimare alimentat cu biocombustibil \u015fi dotat cu sistem de pre\u00eenc\u0103lzire"},"content":{"rendered":"\n<p>&nbsp;&nbsp;&nbsp;Mijloacele tehnice, dotate cu motoare cu aprindere prin comprimare, consum\u0103 anual aproximativ 350 mii tone de motorin\u0103, care este importat\u0103, consum\u00e2nd surse financiare considerabile \u015fi tot odat\u0103 afect\u00e2nd starea ecologic\u0103, precum \u015fi securitatea energetic\u0103 a \u0163\u0103rii.<\/p>\n\n\n\n<p>Ca urmare a situa\u0163iei date este necesar de a elabora tehnologii \u015fi mijloace tehnice pentru utilizarea surselor regenerabile de energie. Cum demonstreaz\u0103 practica exploat\u0103rii motoarelor cu aprindere prin comprimare[1,2,3] , \u00een calitate de materie prim\u0103 pentru producerea \u015fi utilizarea biocombustibilului este binevenit ulei vegetal, \u00een deosebi ulei de rapi\u0163\u0103, care \u00een baza procesului de esterificare permite ob\u0163inerea biocombustibilului \u2013 esterului metilic. Esterul ob\u0163inut are capacitatea energetic\u0103 practic de aceea\u015fi valoare ca \u015fi motorin\u0103 (Hi= 42 MJ\/kg), iar viscozitatea cinematic\u0103 a esterului este mai mare (7,5 mm2\/s) dec\u00e2t cea a motorinei (3,8 \u00f7 4,2 mm2\/s). Viscozitatea majorat\u0103 face dificil\u0103 exploatarea motorului \u00een perioada rece a anului. \u00cen surse existente de informa\u0163ii sunt numai date fragmentare privind condi\u0163ionarea biocombustibilului pentru exploatarea \u00een perioada rece a anului. Prin urmare este necesar\u0103 elaborarea \u015fi cercetarea utilajului pentru condi\u0163ionarea (pre\u00eenc\u0103lzirea) biocombustibilului nemijlocit pe motor<\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/mecagro.md\/wp-content\/uploads\/2022\/07\/Articol_Performanta_motoarelor_Diesel.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of Embed of Articol_Performanta_motoarelor_Diesel..\"><\/object><a id=\"wp-block-file--media-cfccda39-69d3-4feb-b9a1-d9e8038a55f8\" href=\"https:\/\/mecagro.md\/2022\/07\/08\/performantele-motorului-cu-aprindere-prin-comprimare-alimentat-cu-biocombustibil-si-dotat-cu-sistem-de-preincalzire\/articol_performanta_motoarelor_diesel\/\" target=\"_blank\" rel=\"noreferrer noopener\">Articol_Performanta_motoarelor_Diesel<\/a><a href=\"https:\/\/mecagro.md\/wp-content\/uploads\/2022\/07\/Articol_Performanta_motoarelor_Diesel.pdf\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-cfccda39-69d3-4feb-b9a1-d9e8038a55f8\">Download<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;&nbsp;&nbsp;Mijloacele tehnice, dotate cu motoare cu aprindere prin comprimare, consum\u0103 anual aproximativ 350 mii tone de motorin\u0103, care este importat\u0103, consum\u00e2nd surse financiare considerabile \u015fi tot odat\u0103 afect\u00e2nd starea ecologic\u0103, precum \u015fi securitatea energetic\u0103 a \u0163\u0103rii. Ca urmare a situa\u0163iei date este necesar de a elabora tehnologii \u015fi mijloace tehnice pentru utilizarea surselor regenerabile de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":311,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-2450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publicatii"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Performan\u0163ele motorului cu aprindere prin comprimare alimentat cu biocombustibil \u015fi dotat cu sistem de pre\u00eenc\u0103lzire - \u0413\u041f \u0418\u0421\u0425\u0422 \u201d\u041c\u0415\u041a\u0410\u0413\u0420\u041e\u201d<\/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:\/\/mecagro.md\/ru\/performantele-motorului-cu-aprindere-prin-comprimare-alimentat-cu-biocombustibil-si-dotat-cu-sistem-de-preincalzire\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Performan\u0163ele motorului cu aprindere prin comprimare alimentat cu biocombustibil \u015fi dotat cu sistem de pre\u00eenc\u0103lzire - \u0413\u041f \u0418\u0421\u0425\u0422 \u201d\u041c\u0415\u041a\u0410\u0413\u0420\u041e\u201d\" \/>\n<meta property=\"og:description\" content=\"&nbsp;&nbsp;&nbsp;Mijloacele tehnice, dotate cu motoare cu aprindere prin comprimare, consum\u0103 anual aproximativ 350 mii tone de motorin\u0103, care este importat\u0103, consum\u00e2nd surse financiare considerabile \u015fi tot odat\u0103 afect\u00e2nd starea ecologic\u0103, precum \u015fi securitatea energetic\u0103 a \u0163\u0103rii. 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