{"id":700699,"date":"2024-08-23T00:43:22","date_gmt":"2024-08-22T23:43:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700699"},"modified":"2024-08-23T00:43:22","modified_gmt":"2024-08-22T23:43:22","slug":"chat-long-truyen-nhiet-trong-he-thong-nang-luong-mat-troi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chat-long-truyen-nhiet-trong-he-thong-nang-luong-mat-troi\/","title":{"rendered":"Ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi"},"content":{"rendered":"<p class=\"sidekick\">Ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t thu nhi\u1ec7t, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chat_long_truyen_nhiet_trong_he_thong_nang_luong_mat_troi.png\" alt=\"Ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ch\u1ea5t L\u1ecfng Truy\u1ec1n Nhi\u1ec7t Trong H\u1ec7 Th\u1ed1ng N\u0103ng L\u01b0\u1ee3ng M\u1eb7t Tr\u1eddi<\/h2>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c thu nh\u1eadn v\u00e0 truy\u1ec1n t\u1ea3i nhi\u1ec7t t\u1eeb c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi \u0111\u1ebfn n\u01a1i s\u1eed d\u1ee5ng ho\u1eb7c l\u01b0u tr\u1eef. Vi\u1ec7c ch\u1ecdn l\u1ef1a v\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t ph\u00f9 h\u1ee3p \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h2>Ch\u1ea5t L\u1ecfng Truy\u1ec1n Nhi\u1ec7t Ph\u1ed5 Bi\u1ebfn<\/h2>\n<ul>\n<li><b>N\u01b0\u1edbc<\/b>: D\u1ec5 ki\u1ebfm v\u00e0 gi\u00e1 r\u1ebb, n\u01b0\u1edbc l\u00e0 ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t ph\u1ed5 bi\u1ebfn nh\u1ea5t. Tuy nhi\u00ean, n\u01b0\u1edbc c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng ho\u1eb7c \u0103n m\u00f2n n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/li>\n<li><b>Glycol<\/b>: \u0110\u00e2y l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng d\u1ec5 \u0111\u00f3ng b\u0103ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00f3ng b\u0103ng trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh gi\u00e1.<\/li>\n<li><b>D\u1ea7u nhi\u1ec7t<\/b>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9 cao, d\u1ea7u nhi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 400\u00b0C, v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi n\u01b0\u1edbc v\u00e0 glycol.<\/li>\n<\/ul>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 Quan Tr\u1ecdng Khi Ch\u1ecdn Ch\u1ea5t L\u1ecfng Truy\u1ec1n Nhi\u1ec7t<\/h2>\n<ol>\n<li><b>Kh\u1ea3 N\u0103ng D\u1eabn Nhi\u1ec7t<\/b>: Ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t l\u01b0\u1ee3ng t\u1eeb c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i hi\u1ec7u qu\u1ea3.<\/li>\n<li><b>\u0110\u1ed9 Nh\u1edbt<\/b>: Ch\u1ea5t l\u1ecfng c\u1ea7n c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p \u0111\u1ec3 d\u1ec5 d\u00e0ng ch\u1ea3y qua c\u00e1c h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn m\u00e0 kh\u00f4ng g\u00e2y ra m\u1ea5t m\u00e1t n\u0103ng l\u01b0\u1ee3ng l\u1edbn.<\/li>\n<li><b>\u0110\u1ed9 \u0102n M\u00f2n<\/b>: Ch\u1ea5t l\u1ecfng c\u1ea7n \u00edt \u0103n m\u00f2n \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i trong h\u1ec7 th\u1ed1ng.<\/li>\n<li><b>\u0110i\u1ec3m \u0110\u00f3ng B\u0103ng V\u00e0 S\u00f4i<\/b>: \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00e1c nhau.<\/li>\n<\/ol>\n<h2>C\u00f4ng Th\u1ee9c V\u00e0 C\u00e1c Ti\u00eau Chu\u1ea9n<\/h2>\n<p>Hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng c\u00e1c c\u00f4ng th\u1ee9c v\u00e0 ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n<p>C\u00f4ng th\u1ee9c t\u00ednh t\u1ed5ng nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i:<\/p>\n<p style=\"text-align:center;\"><i>Q = m * c * \u0394T<\/i><\/p>\n<p>Trong \u0111\u00f3, <i>Q<\/i> l\u00e0 t\u1ed5ng nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i (Joule), <i>m<\/i> l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng (kg), <i>c<\/i> l\u00e0 nhi\u1ec7t dung ri\u00eang (J\/(kg\u00b7K)), v\u00e0 <i>\u0394T<\/i> l\u00e0 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 (K).<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Ch\u1ecdn l\u1ef1a ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t ph\u00f9 h\u1ee3p l\u00e0 b\u01b0\u1edbc r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Vi\u1ec7c n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng thu nh\u1eadn v\u00e0 truy\u1ec1n t\u1ea3i nhi\u1ec7t, m\u00e0 c\u00f2n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 gi\u1ea3m thi\u1ec3u chi ph\u00ed b\u1ea3o tr\u00ec.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t trong h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t thu nhi\u1ec7t, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh.<\/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>Ch\u1ea5t l\u1ecfng truy\u1ec1n nhi\u1ec7t 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