{"id":834,"date":"2021-12-01T20:21:03","date_gmt":"2021-12-01T19:21:03","guid":{"rendered":"https:\/\/anclademia.com\/?p=834"},"modified":"2022-06-08T15:23:35","modified_gmt":"2022-06-08T14:23:35","slug":"rumbs","status":"publish","type":"post","link":"https:\/\/anclademia.com\/ca\/blog\/rumbos\/","title":{"rendered":"Definici\u00f3 dels rumbs"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Rumb veritable, magn\u00e8tic i d&#039;agulla: Definicions<\/h2>\n\n\n\n<p>Els rumbs es defineixen a&nbsp;<strong><em>funci\u00f3 del meridi\u00e0 que es prengui com a origen&nbsp;<\/em><\/strong>(veritable, magn\u00e8tic o d&#039;agulla) i la l\u00ednia proa-popa del vaixell.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><em>Rumb VERITABLE&nbsp;<\/em>(Rv)<\/strong>: el&nbsp;<strong><em>angle format pel meridi\u00e0 veritable del lloc i l\u00ednia proapopa<\/em><\/strong>.<\/li><li><strong><em>Rumb MAGN\u00c8TIC&nbsp;<\/em>(Rm):&nbsp;<\/strong>el&nbsp;<strong><em>angle format pel meridi\u00e0 magn\u00e8tic del lloc i l\u00ednia proapopa<\/em><\/strong>.<\/li><li><strong><em>Rumb d&#039;AGULLA&nbsp;<\/em>(Ra)<\/strong>: el&nbsp;<strong><em>angle format pel meridi\u00e0 d&#039;agulla&nbsp;<\/em><\/strong>(determinat per l&#039;orientaci\u00f3 de l&#039;agulla i que difereix del magn\u00e8tic per ra\u00f3 dels materials magn\u00e8tics del vaixell)&nbsp;<strong><em>i l\u00ednia proa popa<\/em><\/strong>.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Relaci\u00f3 entre ells<\/h2>\n\n\n\n<p>Si observem la figura 9.11, podem deduir que: Rv = Ra + \u0394 + dm, i at\u00e8s que la Ct = dm + \u0394.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Rv = Ra + Ct<\/strong><\/li><li><strong>Ra = Rv \u2013 Ct<\/strong><\/li><\/ul>\n\n\n\n<p>De la mateixa figura \u00e9s f\u00e0cil deduir tamb\u00e9 que:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Rm = Ra + \u0394 Rm = Rv \u2013 dm<\/strong><\/li><\/ul>\n\n\n\n<div class=\"btn-groc-cta\"><br><strong>T&#039;interessa: <\/strong><a href=\"https:\/\/anclademia.com\/ca\/bloc\/agulla-nautica\/\"> Agulla n\u00e0utica <\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Formes de mesurar rumb quadrantal i circular<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><em>Circulars<\/em>:&nbsp;<\/strong>a partir de&nbsp;<strong><em>0o a 360o&nbsp;<\/em><\/strong>i en sentit horari. El seu valor sempre \u00e9s positiu.<\/li><li><strong><em>Quadrantals (o per quadrants)<\/em>:&nbsp;<\/strong>dividint a la circumfer\u00e8ncia a&nbsp;<strong><em>quatre quadrants<\/em><\/strong>.<\/li><\/ul>\n\n\n\n<p>Per evitar confusions els rumbs s&#039;han de dir o&nbsp;<strong><em>enunciar per xifres<\/em><\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">De valor quadrantal a circular<\/h2>\n\n\n\n<p>De&nbsp;<strong><em>graus a quadrantals&nbsp;<\/em><\/strong>o&nbsp;<strong>\u201c<em>quadrants<\/em>\u201d&nbsp;<\/strong>a&nbsp;<strong>graus circulars:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Entre&nbsp;<strong><em>000-090&nbsp;<\/em><\/strong>\u2013 pertanyen al 1r quadrant (NE) i corresponen al&nbsp;<strong><em>mateix nombre de graus<\/em><\/strong><\/li><li>Entre&nbsp;<strong><em>090-180&nbsp;<\/em><\/strong>\u2013 pertanyen al 2n quadrant (SE) \u2013 Es&nbsp;<strong><em>resten de 180o<\/em><\/strong><\/li><li>Entre&nbsp;<strong><em>180-270&nbsp;<\/em><\/strong>\u2013 pertanyen al 3r quadrant (SW) \u2013 Es&nbsp;<strong><em>els resta 180o<\/em><\/strong><\/li><li>Entre&nbsp;<strong><em>270-360&nbsp;<\/em><\/strong>\u2013 pertanyen al 4t quadrant (NW) \u2013 Es&nbsp;<strong><em>resten de 360o<\/em><\/strong><\/li><\/ul>\n\n\n\n<p><strong><em>Exemples:<\/em><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><em>N45oE = 045o&nbsp;<\/em><\/strong><em>(Primer quadrant).<\/em><\/li><li><strong><em>S10oE =&nbsp;<\/em><\/strong><em>180o \u2013 45o =&nbsp;<\/em><strong><em>135\u00e8&nbsp;<\/em><\/strong><em>(Segon quadrant)<\/em>.<\/li><li><strong><em>S10oW =&nbsp;<\/em><\/strong><em>180o + 45o =&nbsp;<\/em><strong><em>225o&nbsp;<\/em><\/strong><em>(Tercer quadrant)<\/em><\/li><li><strong><em>N45oW =&nbsp;<\/em><\/strong><em>360o \u2013 45o =&nbsp;<\/em><strong><em>315o&nbsp;<\/em><\/strong><em>(Quart quadrant)<\/em>.<\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Rumb veritable, magn\u00e8tic i d&#039;agulla: Definicions Els rumbs es defineixen en funci\u00f3 del meridi\u00e0 que es prengui com a origen (veritable, magn\u00e8tic o d&#039;agulla) i la l\u00ednia proa-popa del vaixell. Rumb VERITABLE (Rv): l&#039;angle format pel meridi\u00e0 veritable del lloc i l\u00ednia proapopa. Rumb MAGN\u00c8TIC (Rm): l&#039;angle format pel meridi\u00e0 magn\u00e8tic del lloc i l\u00ednia proa- \u2026 <a title=\"Definici\u00f3 dels rumbs\" class=\"read-more\" href=\"https:\/\/anclademia.com\/ca\/blog\/rumbos\/\" aria-label=\"M\u00e9s informaci\u00f3 sobre Definici\u00f3 dels rumbs\">Llegiu m\u00e9s<\/a><\/p>","protected":false},"author":1,"featured_media":14129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[69],"tags":[],"class_list":["post-834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-navegacion"],"jetpack_featured_media_url":"https:\/\/anclademia.com\/wp-content\/uploads\/2021\/12\/Rumbo.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/posts\/834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/comments?post=834"}],"version-history":[{"count":0,"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/posts\/834\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/media\/14129"}],"wp:attachment":[{"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/media?parent=834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/categories?post=834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/anclademia.com\/ca\/wp-json\/wp\/v2\/tags?post=834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}