{"id":553,"date":"2022-08-29T16:02:00","date_gmt":"2022-08-29T16:02:00","guid":{"rendered":"https:\/\/insyte.website\/WordPress\/?post_type=glossary&#038;p=553"},"modified":"2022-09-25T16:12:23","modified_gmt":"2022-09-25T16:12:23","slug":"portance","status":"publish","type":"glossary","link":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/","title":{"rendered":"Portance et Tra\u00een\u00e9e"},"content":{"rendered":"<p>La&nbsp;<strong>portance&nbsp;<\/strong>a&eacute;rodynamique est la composante de la&nbsp;force&nbsp;subie par un corps en mouvement dans un&nbsp;fluide&nbsp;qui s&rsquo;exerce&nbsp;perpendiculairement&nbsp;&agrave; la direction du mouvement. <\/p>\n\n\n\n<p>La&nbsp;<strong>tra&icirc;n&eacute;e<\/strong>&nbsp;est la force qui s&rsquo;oppose au mouvement d&rsquo;un corps dans un fluide (liquide ou gaz) et agit comme un <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Frottements Solide et Fluide&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_1f91f0-e8&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_1f91f0-e8&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-60  kt-custom-second-width-40&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_51f212-6c&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-inside-inner-col&amp;quot;&amp;gt;En m&eacute;caniques on parle deux de cat&eacute;gories de frottements : &amp;lt;br\/&amp;gt;Frottements &amp;lt;strong&amp;gt;Solides &amp;lt;\/strong&amp;gt;(encore appel&eacute;s frottements &amp;lt;strong&amp;gt;Secs&amp;lt;\/strong&amp;gt;)&amp;lt;br\/&amp;gt;Frottements &amp;lt;strong&amp;gt;Fluides&amp;lt;\/strong&amp;gt; (&amp;lt;strong&amp;gt;Visqueux &amp;lt;\/strong&amp;gt;et &amp;lt;strong&amp;gt;Turbulents&amp;lt;\/strong&amp;gt; selon la vitesse de placement dans le(...)&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;iframe width=&#039;380&#039; height=&#039;214&#039; src=&#039;https:\/\/www.youtube.com\/embed\/3Urka71l1P4&#039; title=&#039;Les frottements secs et visqueux&#039; frameborder=&#039;0&#039; allow=&#039;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture&#039; allowfullscreen&gt;&lt;\/iframe&gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/frottement\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>frottement<\/a> fluide (visqueux ou turbulent)<\/p>\n\n\n<style>#kt-layout-id_dfd0c1-cd > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_dfd0c1-cd > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_dfd0c1-cd > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, calc(50% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(50% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}#kt-layout-id_dfd0c1-cd > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_dfd0c1-cd > .kt-row-column-wrap{grid-template-columns:minmax(0, 2fr) minmax(0, 1fr);}}@media all and (max-width: 767px){#kt-layout-id_dfd0c1-cd > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_dfd0c1-cd\" class=\"kt-row-layout-inner kt-layout-id_dfd0c1-cd\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-left-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-50  kt-custom-second-width-50\"><style>.kadence-column_d68c89-0d > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_d68c89-0d > .kt-inside-inner-col,.kadence-column_d68c89-0d > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_d68c89-0d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_d68c89-0d > .kt-inside-inner-col{flex-direction:column;}.kadence-column_d68c89-0d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_d68c89-0d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_d68c89-0d{position:relative;}@media all and (max-width: 1024px){.kadence-column_d68c89-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_d68c89-0d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_d68c89-0d\"><div class=\"kt-inside-inner-col\">\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Le fonctionnement des avions\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/TtTUkrgnNtI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div><\/div>\n\n\n<style>.kadence-column_fafb7e-ea > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_fafb7e-ea > .kt-inside-inner-col,.kadence-column_fafb7e-ea > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_fafb7e-ea > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_fafb7e-ea > .kt-inside-inner-col{flex-direction:column;}.kadence-column_fafb7e-ea > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_fafb7e-ea > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_fafb7e-ea{position:relative;}@media all and (max-width: 1024px){.kadence-column_fafb7e-ea > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_fafb7e-ea > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_fafb7e-ea\"><div class=\"kt-inside-inner-col\"><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>.kadence-column_fb5678-6a > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_fb5678-6a > .kt-inside-inner-col,.kadence-column_fb5678-6a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_fb5678-6a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_fb5678-6a > .kt-inside-inner-col{flex-direction:column;}.kadence-column_fb5678-6a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_fb5678-6a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_fb5678-6a{position:relative;}@media all and (max-width: 1024px){.kadence-column_fb5678-6a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_fb5678-6a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_fb5678-6a\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"879\" height=\"276\" src=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/08\/image-16.png\" alt=\"\" class=\"wp-image-496\" srcset=\"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/08\/image-16.png 879w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/08\/image-16-300x94.png 300w, https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/08\/image-16-768x241.png 768w\" sizes=\"auto, (max-width: 879px) 100vw, 879px\"\/><figcaption><strong>Figure 3&nbsp;: <\/strong>coupe d&rsquo;un hydrofoil<\/figcaption><\/figure>\n<\/div>\n\n<style>#kt-layout-id_5b29c7-3d > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_5b29c7-3d > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_5b29c7-3d > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_5b29c7-3d > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_5b29c7-3d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 767px){#kt-layout-id_5b29c7-3d > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_5b29c7-3d\" class=\"kt-row-layout-inner kt-layout-id_5b29c7-3d\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_2fa789-2d > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_2fa789-2d > .kt-inside-inner-col,.kadence-column_2fa789-2d > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_2fa789-2d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_2fa789-2d > .kt-inside-inner-col{flex-direction:column;}.kadence-column_2fa789-2d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_2fa789-2d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_2fa789-2d{position:relative;}@media all and (max-width: 1024px){.kadence-column_2fa789-2d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_2fa789-2d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_2fa789-2d\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-medium-font-size\">\\(F_z=\\frac{1}{2}\\cdot \\rho \\cdot S \\cdot C_<strong>z<\/strong> \\cdot v^2\\)<\/p>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\">Formule de la Portance<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_1d1c9e-62 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_1d1c9e-62 > .kt-inside-inner-col,.kadence-column_1d1c9e-62 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_1d1c9e-62 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_1d1c9e-62 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_1d1c9e-62 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_1d1c9e-62 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_1d1c9e-62{position:relative;}@media all and (max-width: 1024px){.kadence-column_1d1c9e-62 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_1d1c9e-62 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_1d1c9e-62\"><div class=\"kt-inside-inner-col\">\n<p style=\"font-size:18px\">La force Fz qui tend &agrave; faire monter le profil s&rsquo;appelle la portance.<br>avec&nbsp;:<br>Cz&nbsp;: Coefficient de portance.<br>&rho;&nbsp;: 1025 kg.m<sup>-3<\/sup> (<a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Masse volumique&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;La&amp;nbsp;&amp;lt;strong&amp;gt;masse volumique&amp;lt;\/strong&amp;gt;, dont le symbole est&amp;nbsp;\\(\\rho\\)&amp;nbsp;(rh&ocirc;), est une&amp;nbsp;propri&eacute;t&eacute; caract&eacute;ristique&amp;nbsp;qui repr&eacute;sente la quantit&eacute; de mati&egrave;re&amp;nbsp;(masse)&amp;nbsp;se trouvant dans un espace&amp;nbsp;(une unit&eacute; de&amp;nbsp;volume)&amp;nbsp;donn&eacute;.&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_ea646c-d6&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_ea646c-d6&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-3-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-half kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-25  kt-custom-second-width-10  kt-custom-third-width-65&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_df07b7-71&amp;quot;&amp;gt;&amp;lt;div(...)&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/masse-volumique\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>masse volumique<\/a> de l&rsquo;eau de mer<br>S&nbsp;: 0.08 m&sup2; (surface &laquo;&nbsp;projet&eacute;e&nbsp;&raquo; sur l&rsquo;axe z)<br>V&nbsp;: Vitesse de d&eacute;placement en m.s<sup>-1<\/sup><\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<style>#kt-layout-id_25ad0d-63 > .kt-row-column-wrap{align-content:start;}:where(#kt-layout-id_25ad0d-63 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}#kt-layout-id_25ad0d-63 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:var( --global-kb-row-default-top, 25px );padding-bottom:var( --global-kb-row-default-bottom, 25px );padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}#kt-layout-id_25ad0d-63 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){#kt-layout-id_25ad0d-63 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 767px){#kt-layout-id_25ad0d-63 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style>\n<div class=\"wp-block-kadence-rowlayout alignnone\"><div id=\"kt-layout-id_25ad0d-63\" class=\"kt-row-layout-inner kt-layout-id_25ad0d-63\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row\"><style>.kadence-column_933e57-b0 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_933e57-b0 > .kt-inside-inner-col,.kadence-column_933e57-b0 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_933e57-b0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_933e57-b0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_933e57-b0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_933e57-b0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_933e57-b0{position:relative;}@media all and (max-width: 1024px){.kadence-column_933e57-b0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_933e57-b0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_933e57-b0\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-center has-medium-font-size\">\\(F_x=\\frac{1}{2}\\cdot \\rho \\cdot S \\cdot C_<strong>x<\/strong> \\cdot v^2\\)<\/p>\n\n\n\n<p class=\"has-text-align-center has-small-font-size\">Formule de la Portance<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column_822025-0a > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_822025-0a > .kt-inside-inner-col,.kadence-column_822025-0a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_822025-0a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_822025-0a > .kt-inside-inner-col{flex-direction:column;}.kadence-column_822025-0a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_822025-0a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_822025-0a{position:relative;}@media all and (max-width: 1024px){.kadence-column_822025-0a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_822025-0a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-2 kadence-column_822025-0a\"><div class=\"kt-inside-inner-col\">\n<p style=\"font-size:18px\">La force Fx (tel qu&rsquo;&eacute;crit ci-contre) est un <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Frottements Solide et Fluide&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_1f91f0-e8&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_1f91f0-e8&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-60  kt-custom-second-width-40&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_51f212-6c&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-inside-inner-col&amp;quot;&amp;gt;En m&eacute;caniques on parle deux de cat&eacute;gories de frottements : &amp;lt;br\/&amp;gt;Frottements &amp;lt;strong&amp;gt;Solides &amp;lt;\/strong&amp;gt;(encore appel&eacute;s frottements &amp;lt;strong&amp;gt;Secs&amp;lt;\/strong&amp;gt;)&amp;lt;br\/&amp;gt;Frottements &amp;lt;strong&amp;gt;Fluides&amp;lt;\/strong&amp;gt; (&amp;lt;strong&amp;gt;Visqueux &amp;lt;\/strong&amp;gt;et &amp;lt;strong&amp;gt;Turbulents&amp;lt;\/strong&amp;gt; selon la vitesse de placement dans le(...)&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;iframe width=&#039;380&#039; height=&#039;214&#039; src=&#039;https:\/\/www.youtube.com\/embed\/3Urka71l1P4&#039; title=&#039;Les frottements secs et visqueux&#039; frameborder=&#039;0&#039; allow=&#039;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture&#039; allowfullscreen&gt;&lt;\/iframe&gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/frottement\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>frottement<\/a> fluide (turbulent) qui s&rsquo;oppose au d&eacute;placement.<br>avec&nbsp;:<br>Cx&nbsp;: Coefficient de portance.<br>&rho;&nbsp;: 1025 kg.m<sup>-3<\/sup> (<a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Masse volumique&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;La&amp;nbsp;&amp;lt;strong&amp;gt;masse volumique&amp;lt;\/strong&amp;gt;, dont le symbole est&amp;nbsp;\\(\\rho\\)&amp;nbsp;(rh&ocirc;), est une&amp;nbsp;propri&eacute;t&eacute; caract&eacute;ristique&amp;nbsp;qui repr&eacute;sente la quantit&eacute; de mati&egrave;re&amp;nbsp;(masse)&amp;nbsp;se trouvant dans un espace&amp;nbsp;(une unit&eacute; de&amp;nbsp;volume)&amp;nbsp;donn&eacute;.&amp;lt;br\/&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_ea646c-d6&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_ea646c-d6&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-3-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-half kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-25  kt-custom-second-width-10  kt-custom-third-width-65&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_df07b7-71&amp;quot;&amp;gt;&amp;lt;div(...)&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;\/div&gt;\"  href=\"https:\/\/insyte.website\/WordPress\/glossary\/masse-volumique\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>masse volumique<\/a> de l&rsquo;eau de mer<br>S&nbsp;: 0.08 m&sup2; (surface &laquo;&nbsp;projet&eacute;e&nbsp;&raquo; sur l&rsquo;axe x)<br>V&nbsp;: Vitesse de d&eacute;placement en m.s<sup>-1<\/sup><\/p>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>La&nbsp;portance&nbsp;a&eacute;rodynamique est la composante de la&nbsp;force&nbsp;subie par un corps en mouvement dans un&nbsp;fluide&nbsp;qui s&rsquo;exerce&nbsp;perpendiculairement&nbsp;&agrave; la direction du mouvement. La&nbsp;tra&icirc;n&eacute;e&nbsp;est la force qui s&rsquo;oppose au mouvement d&rsquo;un corps dans un fluide (liquide ou gaz) et agit comme un <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Frottements Solide et Fluide&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;div class=&amp;quot;wp-block-kadence-rowlayout alignnone&amp;quot;&amp;gt;&amp;lt;div id=&amp;quot;kt-layout-id_1f91f0-e8&amp;quot; class=&amp;quot;kt-row-layout-inner kt-layout-id_1f91f0-e8&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-row-column-wrap kt-has-2-columns kt-gutter-default kt-v-gutter-default kt-row-valign-top kt-row-layout-right-golden kt-tab-layout-inherit kt-m-colapse-left-to-right kt-mobile-layout-row  kt-custom-first-width-60  kt-custom-second-width-40&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;wp-block-kadence-column inner-column-1 kadence-column_51f212-6c&amp;quot;&amp;gt;&amp;lt;div class=&amp;quot;kt-inside-inner-col&amp;quot;&amp;gt;En m&#xE9;caniques on parle deux de cat&#xE9;gories de frottements : &amp;lt;br\/&amp;gt;Frottements &amp;lt;strong&amp;gt;Solides &amp;lt;\/strong&amp;gt;(encore appel&#xE9;s frottements &amp;lt;strong&amp;gt;Secs&amp;lt;\/strong&amp;gt;)&amp;lt;br\/&amp;gt;Frottements &amp;lt;strong&amp;gt;Fluides&amp;lt;\/strong&amp;gt; (&amp;lt;strong&amp;gt;Visqueux &amp;lt;\/strong&amp;gt;et &amp;lt;strong&amp;gt;Turbulents&amp;lt;\/strong&amp;gt; selon la vitesse de placement dans le(...)&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&amp;lt;\/div&amp;gt;&lt;iframe width='380' height='214' src='https:\/\/www.youtube.com\/embed\/3Urka71l1P4' title='Les frottements secs et visqueux' frameborder='0' allow='accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture' allowfullscreen&gt;&lt;\/iframe&gt;&lt;\/div&gt;\" href=\"https:\/\/insyte.website\/WordPress\/glossary\/frottement\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>frottement<\/a> fluide (visqueux ou turbulent)<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"glossary-categories":[],"glossary-tags":[],"glossary-languages":[],"class_list":["post-553","glossary","type-glossary","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Portance et Tra\u00een\u00e9e - Insyte.website<\/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:\/\/insyte.website\/WordPress\/glossary\/portance\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Portance et Tra\u00een\u00e9e - Insyte.website\" \/>\n<meta property=\"og:description\" content=\"La&nbsp;portance&nbsp;a&eacute;rodynamique est la composante de la&nbsp;force&nbsp;subie par un corps en mouvement dans un&nbsp;fluide&nbsp;qui s&rsquo;exerce&nbsp;perpendiculairement&nbsp;&agrave; la direction du mouvement. La&nbsp;tra&icirc;n&eacute;e&nbsp;est la force qui s&rsquo;oppose au mouvement d&rsquo;un corps dans un fluide (liquide ou gaz) et agit comme un frottement fluide (visqueux ou turbulent)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/insyte.website\/WordPress\/glossary\/portance\/\" \/>\n<meta property=\"og:site_name\" content=\"Insyte.website\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-25T16:12:23+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/glossary\\\/portance\\\/\",\"url\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/glossary\\\/portance\\\/\",\"name\":\"Portance et Tra\u00een\u00e9e - Insyte.website\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/#website\"},\"datePublished\":\"2022-08-29T16:02:00+00:00\",\"dateModified\":\"2022-09-25T16:12:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/glossary\\\/portance\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/insyte.website\\\/WordPress\\\/glossary\\\/portance\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/glossary\\\/portance\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Portance et Tra\u00een\u00e9e\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/#website\",\"url\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/\",\"name\":\"Insyte.website\",\"description\":\"Tout est simple \u00e0 qui fait l&#039;effort de comprendre...\",\"publisher\":{\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/#organization\",\"name\":\"Insyte.website\",\"url\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/wp-content\\\/uploads\\\/2022\\\/09\\\/cropped-InSyTeRogne400px.jpg\",\"contentUrl\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/wp-content\\\/uploads\\\/2022\\\/09\\\/cropped-InSyTeRogne400px.jpg\",\"width\":400,\"height\":160,\"caption\":\"Insyte.website\"},\"image\":{\"@id\":\"https:\\\/\\\/insyte.website\\\/WordPress\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Portance et Tra\u00een\u00e9e - Insyte.website","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/","og_locale":"fr_FR","og_type":"article","og_title":"Portance et Tra\u00een\u00e9e - Insyte.website","og_description":"La&nbsp;portance&nbsp;a&eacute;rodynamique est la composante de la&nbsp;force&nbsp;subie par un corps en mouvement dans un&nbsp;fluide&nbsp;qui s&rsquo;exerce&nbsp;perpendiculairement&nbsp;&agrave; la direction du mouvement. La&nbsp;tra&icirc;n&eacute;e&nbsp;est la force qui s&rsquo;oppose au mouvement d&rsquo;un corps dans un fluide (liquide ou gaz) et agit comme un frottement fluide (visqueux ou turbulent)","og_url":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/","og_site_name":"Insyte.website","article_modified_time":"2022-09-25T16:12:23+00:00","twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/","url":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/","name":"Portance et Tra\u00een\u00e9e - Insyte.website","isPartOf":{"@id":"https:\/\/insyte.website\/WordPress\/#website"},"datePublished":"2022-08-29T16:02:00+00:00","dateModified":"2022-09-25T16:12:23+00:00","breadcrumb":{"@id":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/insyte.website\/WordPress\/glossary\/portance\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/insyte.website\/WordPress\/glossary\/portance\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/insyte.website\/WordPress\/"},{"@type":"ListItem","position":2,"name":"Portance et Tra\u00een\u00e9e"}]},{"@type":"WebSite","@id":"https:\/\/insyte.website\/WordPress\/#website","url":"https:\/\/insyte.website\/WordPress\/","name":"Insyte.website","description":"Tout est simple \u00e0 qui fait l&#039;effort de comprendre...","publisher":{"@id":"https:\/\/insyte.website\/WordPress\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/insyte.website\/WordPress\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/insyte.website\/WordPress\/#organization","name":"Insyte.website","url":"https:\/\/insyte.website\/WordPress\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/insyte.website\/WordPress\/#\/schema\/logo\/image\/","url":"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/cropped-InSyTeRogne400px.jpg","contentUrl":"https:\/\/insyte.website\/WordPress\/wp-content\/uploads\/2022\/09\/cropped-InSyTeRogne400px.jpg","width":400,"height":160,"caption":"Insyte.website"},"image":{"@id":"https:\/\/insyte.website\/WordPress\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary\/553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":5,"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary\/553\/revisions"}],"predecessor-version":[{"id":1368,"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary\/553\/revisions\/1368"}],"wp:attachment":[{"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/media?parent=553"}],"wp:term":[{"taxonomy":"glossary-categories","embeddable":true,"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary-categories?post=553"},{"taxonomy":"glossary-tags","embeddable":true,"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary-tags?post=553"},{"taxonomy":"glossary-languages","embeddable":true,"href":"https:\/\/insyte.website\/WordPress\/wp-json\/wp\/v2\/glossary-languages?post=553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}