{"id":699423,"date":"2024-07-30T04:56:57","date_gmt":"2024-07-30T03:56:57","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=699423"},"modified":"2024-07-30T04:56:57","modified_gmt":"2024-07-30T03:56:57","slug":"qua-trinh-truyen-nhiet-trong-pin-nang-luong-mat-troi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/qua-trinh-truyen-nhiet-trong-pin-nang-luong-mat-troi\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi"},"content":{"rendered":"<p class=\"sidekick\">Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi: t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng pin m\u1eb7t tr\u1eddi.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/qua_trinh_truyen_nhiet_trong_pin_nang_luong_mat_troi.png\" alt=\"Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Qu\u00e1 tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t trong Pin N\u0103ng L\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi<\/h2>\n<p>Pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 pin quang \u0111i\u1ec7n (PV), ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng t\u1eeb \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi th\u00e0nh \u0111i\u1ec7n n\u0103ng. M\u1ed9t ph\u1ea7n quan tr\u1ecdng trong hi\u1ec7u su\u1ea5t c\u1ee7a pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n<h2>Qu\u00e1 tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t<\/h2>\n<p>Truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi x\u1ea3y ra th\u00f4ng qua ba c\u01a1 ch\u1ebf ch\u00ednh:<\/p>\n<p><u1><\/p>\n<li>Truy\u1ec1n nhi\u1ec7t d\u1eabn<\/li>\n<li>Truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u<\/li>\n<li>Truy\u1ec1n nhi\u1ec7t b\u1ee9c x\u1ea1<\/li>\n<p><\/u1><\/p>\n<h2>Truy\u1ec1n Nhi\u1ec7t D\u1eabn<\/h2>\n<p>Trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t d\u1eabn \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Truy\u1ec1n nhi\u1ec7t d\u1eabn x\u1ea3y ra khi nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb m\u1ed9t ph\u1ea7n c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ebfn m\u1ed9t ph\u1ea7n kh\u00e1c th\u00f4ng qua chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9. C\u00f4ng th\u1ee9c t\u00ednh truy\u1ec1n nhi\u1ec7t d\u1eabn nh\u01b0 sau:<\/p>\n<p><i>Q = -k \\cdot A \\cdot \\frac{\\Delta T}{\\Delta x}<\/i><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>Q: L\u01b0\u1ee3ng nhi\u1ec7t (W)<\/li>\n<li>k: H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u (W\/m*K)<\/li>\n<li>A: Di\u1ec7n t\u00edch truy\u1ec1n nhi\u1ec7t (m<sup>2<\/sup>)<\/li>\n<li>\u2206T: \u0110\u1ed9 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (K)<\/li>\n<li>\u2206x: Chi\u1ec1u d\u00e0y c\u1ee7a l\u1edbp v\u1eadt li\u1ec7u (m)<\/li>\n<p><\/u1><\/p>\n<h2>Truy\u1ec1n Nhi\u1ec7t \u0110\u1ed1i L\u01b0u<\/h2>\n<p>Truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u x\u1ea3y ra khi kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng chuy\u1ec3n \u0111\u1ed9ng mang theo nhi\u1ec7t. Trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, kh\u00f4ng kh\u00ed xung quanh t\u1ea5m pin s\u1ebd truy\u1ec1n nhi\u1ec7t qua qu\u00e1 tr\u00ecnh \u0111\u1ed1i l\u01b0u t\u1ef1 nhi\u00ean ho\u1eb7c c\u01b0\u1ee1ng b\u1ee9c, ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ki\u1ec7n gi\u00f3. C\u00f4ng th\u1ee9c t\u00ednh truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u l\u00e0:<\/p>\n<p><i>Q = h \\cdot A \\cdot (T_s &#8211; T_f)<\/i><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>h: H\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u (W\/m<sup>2<\/sup>*K)<\/li>\n<li>A: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t (m<sup>2<\/sup>)<\/li>\n<li>T_s: Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1ea5m pin (K)<\/li>\n<li>T_f: Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed (K)<\/li>\n<p><\/u1><\/p>\n<h2>Truy\u1ec1n Nhi\u1ec7t B\u1ee9c X\u1ea1<\/h2>\n<p>Truy\u1ec1n nhi\u1ec7t b\u1ee9c x\u1ea1 l\u00e0 s\u1ef1 truy\u1ec1n nhi\u1ec7t qua c\u00e1c s\u00f3ng \u0111i\u1ec7n t\u1eeb. Trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, qu\u00e1 tr\u00ecnh n\u00e0y \u1ea3nh h\u01b0\u1edfng b\u1edfi vi\u1ec7c h\u1ea5p th\u1ee5 v\u00e0 ph\u00e1t ra b\u1ee9c x\u1ea1 c\u1ee7a c\u00e1c t\u1ea5m pin v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh. C\u00f4ng th\u1ee9c t\u00ednh truy\u1ec1n nhi\u1ec7t b\u1ee9c x\u1ea1 nh\u01b0 sau:<\/p>\n<p><i>Q = \u03b5 \\cdot \u03c3 \\cdot A \\cdot (T_s<sup>4<\/sup> &#8211; T_a<sup>4<\/sup>)<\/i><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>\u03b5: H\u1ec7 s\u1ed1 ph\u00e1t x\u1ea1<\/li>\n<li>\u03c3: H\u1eb1ng s\u1ed1 Stefan-Boltzmann (5.67\u00d710<sup>-8<\/sup> W\/m<sup>2<\/sup>*K<sup>4<\/sup>)<\/li>\n<li>A: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t (m<sup>2<\/sup>)<\/li>\n<li>T_s: Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t t\u1ea5m pin (K)<\/li>\n<li>T_a: Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng (K)<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi bao g\u1ed3m c\u00e1c c\u01a1 ch\u1ebf truy\u1ec1n nhi\u1ec7t d\u1eabn, \u0111\u1ed1i l\u01b0u v\u00e0 b\u1ee9c x\u1ea1. Hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, n\u00e2ng cao kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u1ec1n v\u1eefng. \u0110i\u1ec1u n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi: t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng pin m\u1eb7t tr\u1eddi.<\/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 SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/title>\n<meta name=\"description\" content=\"Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi: t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng pin m\u1eb7t tr\u1eddi.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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