{"id":695279,"date":"2024-10-12T09:52:29","date_gmt":"2024-10-12T08:52:29","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=695279"},"modified":"2024-10-12T09:52:29","modified_gmt":"2024-10-12T08:52:29","slug":"dong-luc-hoc-chat-long-trong-khoa-hoc-the-thao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-luc-hoc-chat-long-trong-khoa-hoc-the-thao\/","title":{"rendered":"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong khoa h\u1ecdc th\u1ec3 thao"},"content":{"rendered":"<p class=\"sidekick\">\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong khoa h\u1ecdc th\u1ec3 thao: C\u00e1ch n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u1eadn \u0111\u1ed9ng vi\u00ean, c\u00f4ng ngh\u1ec7 c\u1ea3i ti\u1ebfn gi\u00fap t\u1ed1i \u01b0u h\u00f3a th\u00e0nh t\u00edch thi \u0111\u1ea5u.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_luc_hoc_chat_long_trong_khoa_hoc_the_thao.png\" alt=\"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong khoa h\u1ecdc th\u1ec3 thao\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng Trong Khoa H\u1ecdc Th\u1ec3 Thao<\/h2>\n<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t nh\u00e1nh c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng nghi\u00ean c\u1ee9u v\u1ec1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 c\u00e1c l\u1ef1c li\u00ean quan. Trong khoa h\u1ecdc th\u1ec3 thao, ng\u00e0nh n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t thi \u0111\u1ea5u v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 r\u00e0ng trong c\u00e1c m\u00f4n th\u1ec3 thao nh\u01b0 b\u01a1i l\u1ed9i, ch\u1ea1y b\u1ed9, v\u00e0 \u0111ua xe \u0111\u1ea1p.<\/p>\n<h2>\u1ee8ng D\u1ee5ng Trong C\u00e1c M\u00f4n Th\u1ec3 Thao<\/h2>\n<p><strong>B\u01a1i L\u1ed9i<\/strong>: Trong b\u01a1i l\u1ed9i, hi\u1ec3u v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng gi\u00fap c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean t\u1ed1i \u01b0u h\u00f3a h\u00ecnh d\u1ea1ng c\u01a1 th\u1ec3 v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt b\u01a1i l\u1ed9i \u0111\u1ec3 gi\u1ea3m s\u1ee9c c\u1ea3n c\u1ee7a n\u01b0\u1edbc. S\u1ee9c c\u1ea3n n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <em>drag force<\/em>, \u0111\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c:<\/p>\n<p style=\"text-align: center;\">F<sub>d<\/sub> = \\(\\frac{1}{2}\\) * \u03c1 * v<sup>2<\/sup> * C<sub>d<\/sub> * A<\/p>\n<p>\u1ede \u0111\u00e2y:<\/p>\n<ul>\n<li><strong>F<sub>d<\/sub><\/strong>: L\u1ef1c c\u1ea3n<\/li>\n<li><strong>\u03c1<\/strong>: M\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng (n\u01b0\u1edbc)<\/li>\n<li><strong>v<\/strong>: V\u1eadn t\u1ed1c c\u1ee7a v\u1eadt th\u1ec3 (v\u1eadn \u0111\u1ed9ng vi\u00ean)<\/li>\n<li><strong>C<sub>d<\/sub><\/strong>: H\u1ec7 s\u1ed1 c\u1ea3n<\/li>\n<li><strong>A<\/strong>: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang \u0111\u1ed1i di\u1ec7n v\u1edbi d\u00f2ng ch\u1ea3y<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, v\u1eadn \u0111\u1ed9ng vi\u00ean c\u00f3 th\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 b\u01a1i v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><strong>Ch\u1ea1y B\u1ed9<\/strong>: \u0110\u1ed1i v\u1edbi ch\u1ea1y b\u1ed9, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c cu\u1ed9c thi marathon, hi\u1ec3u bi\u1ebft v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t b\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn qu\u1ea7n \u00e1o v\u00e0 gi\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 gi\u1ea3m s\u1ee9c c\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed. Ngo\u00e0i ra, t\u01b0 th\u1ebf ch\u1ea1y c\u0169ng c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 gi\u1ea3m l\u1ef1c c\u1ea3n n\u00e0y.<\/p>\n<p><strong>\u0110ua Xe \u0110\u1ea1p<\/strong>: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea1y b\u1ed9, trong \u0111ua xe \u0111\u1ea1p, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a trang ph\u1ee5c v\u00e0 t\u01b0 th\u1ebf c\u1ee7a ng\u01b0\u1eddi \u0111ua \u0111\u1ec3 gi\u1ea3m s\u1ee9c c\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u00ecnh d\u00e1ng v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a chi\u1ebfc xe \u0111\u1ea1p c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn l\u1ef1c c\u1ea3n kh\u00f4ng kh\u00ed, gi\u00fap ng\u01b0\u1eddi \u0111ua \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t chung c\u1ee7a h\u1ecd.<\/p>\n<h2>Vai Tr\u00f2 C\u1ee7a K\u1ef9 Thu\u1eadt S\u1ed1 v\u00e0 M\u00f4 Ph\u1ecfng<\/h2>\n<p>C\u00e1c c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng v\u00e0 ph\u1ea7n m\u1ec1m k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong khoa h\u1ecdc th\u1ec3 thao. C\u00e1c ph\u1ea7n m\u1ec1m n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ea1o ra m\u00f4 ph\u1ecfng 3D ch\u00ednh x\u00e1c v\u1ec1 c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, t\u1eeb \u0111\u00f3 gi\u00fap h\u1ecd \u0111\u01b0a ra c\u00e1c \u0111i\u1ec1u ch\u1ec9nh h\u1ee3p l\u00fd cho v\u1eadn \u0111\u1ed9ng vi\u00ean.<\/p>\n<p>V\u00ed d\u1ee5, c\u00e1c m\u00f4 h\u00ecnh s\u1ed1 c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng d\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc xung quanh m\u1ed9t v\u1eadn \u0111\u1ed9ng vi\u00ean b\u01a1i l\u1ed9i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c t\u1ea1o ra nhi\u1ec1u l\u1ef1c c\u1ea3n nh\u1ea5t v\u00e0 t\u00ecm c\u00e1ch gi\u1ea3m thi\u1ec3u ch\u00fang.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong khoa h\u1ecdc th\u1ec3 thao hi\u1ec7n \u0111\u1ea1i. N\u00f3 cung c\u1ea5p c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c thi\u1ebft k\u1ebf trang ph\u1ee5c thi \u0111\u1ea5u, thi\u1ebft b\u1ecb v\u00e0 k\u1ef9 thu\u1eadt \u0111\u1ec3 gi\u00fap v\u1eadn \u0111\u1ed9ng vi\u00ean ph\u00e1t huy t\u1ed1i \u0111a kh\u1ea3 n\u0103ng c\u1ee7a m\u00ecnh. Nh\u1edd c\u00f3 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 m\u00f4 ph\u1ecfng, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng tr\u1edf n\u00ean d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n bao gi\u1edd h\u1ebft.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong khoa h\u1ecdc th\u1ec3 thao: C\u00e1ch n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u1eadn \u0111\u1ed9ng vi\u00ean, c\u00f4ng ngh\u1ec7 c\u1ea3i ti\u1ebfn gi\u00fap t\u1ed1i \u01b0u h\u00f3a th\u00e0nh t\u00edch thi \u0111\u1ea5u.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast 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