{"id":230,"date":"2021-11-15T12:55:39","date_gmt":"2021-11-15T12:55:39","guid":{"rendered":"https:\/\/nordtech.ubm.ro\/?page_id=230"},"modified":"2024-05-14T07:26:30","modified_gmt":"2024-05-14T07:26:30","slug":"scientific-bulletin-series-c-volume-xxii-2008","status":"publish","type":"page","link":"https:\/\/nordtech.ubm.ro\/index.php\/issues\/scientific-bulletin-series-c-volume-xxii-2008\/","title":{"rendered":"Scientific Bulletin Series C, Volume XXII (2008)"},"content":{"rendered":"\n<p><strong>SOME ASPECTS REGARDING INSTANTANEOUS SQUEEZE FORCE TO THE NARROW RADIAL BEARING WORKING UNDER HARD SHOCKS<\/strong><\/p>\n\n\n\n<p><em>Marius Alexandrescu, Radu Cote\u0163iu, Adriana Cote\u0163iu, Marius Cosma, Mihai Tiron, Dinu Darab\u0103<\/em><\/p>\n\n\n\n<p id=\"block-ff7a2d93-f69d-4586-90eb-c59984be4140\"><strong>Abstract<\/strong>: Due to the very short time of loading radial bearings exposed to shocks and vibrations, of about 0.5-1 ms, the effect of the lubricant expulsion be prevalent in the achieving of the self-carrying film. We consider only the approaching motion between spindle\/axle and bushing on the direction of the center line, without the rotation of the spindle\/axle (the case of the non-rotating bearing). We present the determining relationship of carriage in non-dimensional form for narrow radial bearings exposed to shocks and vibrations, as well as the determining relationships of the lubricant minimum thickness in relation to the dynamic loading.<\/p>\n\n\n\n<p id=\"block-0ead5a36-b57f-49f1-adec-4182d2cbe36d\"><strong>Keywords<\/strong>: impulse loading, squeeze film, radial hydrodynamic bearing.<\/p>\n\n\n\n<p id=\"block-3e33d244-d11d-4cb9-8b9c-25cf1834ca38\"><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2008\/2008.01.01.pdf\" data-type=\"link\" data-id=\"https:\/\/nordtech.ubm.ro\/issues\/2008\/2008.01.01.pdf\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" id=\"block-eeaabd32-8105-4ec8-9f7f-cce117355a3a\"\/>\n\n\n\n<p><strong>COMPARATIVE ANALYSIS OF DIFFERENT METHODS OF RELIABILITY ASSESSMENT FOR CONTINUOUS MINING TECHNOLOGICAL SYSTEMS<\/strong><\/p>\n\n\n\n<p><em>Iosif ANDRAS, Stela DINESCU, Andrei ANDRAS<\/em><\/p>\n\n\n\n<p id=\"block-ff7a2d93-f69d-4586-90eb-c59984be4140\"><strong>Abstract<\/strong>: The paper deals with the analysis of reliability parameters of continuous mining systems using different approaches in order to perform a quick assessment of the overall equipment effectiveness of this kind of production systems, such as Monte Carlo simulation and stress-strength interference.<\/p>\n\n\n\n<p id=\"block-0ead5a36-b57f-49f1-adec-4182d2cbe36d\"><strong>Keywords<\/strong>: mining, reliability, simulation, effectiveness.<\/p>\n\n\n\n<p id=\"block-3e33d244-d11d-4cb9-8b9c-25cf1834ca38\"><a href=\"https:\/\/nordtech.ubm.ro\/issues\/2008\/2008.01.02.pdf\" data-type=\"link\" data-id=\"https:\/\/nordtech.ubm.ro\/issues\/2008\/2008.01.02.pdf\">Download article<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" id=\"block-eeaabd32-8105-4ec8-9f7f-cce117355a3a\"\/>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"376\" src=\"https:\/\/nordtech.ubm.ro\/wp-content\/uploads\/2021\/11\/loading-e.gif\" alt=\"\" class=\"wp-image-351\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>SOME ASPECTS REGARDING INSTANTANEOUS SQUEEZE FORCE TO THE NARROW RADIAL BEARING WORKING UNDER HARD SHOCKS Marius Alexandrescu, Radu Cote\u0163iu, Adriana Cote\u0163iu, Marius Cosma, Mihai Tiron,<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":37,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-230","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/230"}],"collection":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/comments?post=230"}],"version-history":[{"count":5,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/230\/revisions"}],"predecessor-version":[{"id":1027,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/230\/revisions\/1027"}],"up":[{"embeddable":true,"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/pages\/37"}],"wp:attachment":[{"href":"https:\/\/nordtech.ubm.ro\/index.php\/wp-json\/wp\/v2\/media?parent=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}