![\"C\u00e1ch](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_thuc_hoat_dong_cua_tu_lanh_tu_tinh.png\")
<\/p>\nC\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh: T\u00ecm hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd l\u00e0m m\u00e1t t\u1eeb t\u00ednh, \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n
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T\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng nguy\u00ean l\u00fd t\u1eeb nhi\u1ec7t (magnetocaloric effect) \u0111\u1ec3 l\u00e0m l\u1ea1nh. Nguy\u00ean l\u00fd n\u00e0y d\u1ef1a tr\u00ean s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u khi ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1eb7t trong t\u1eeb tr\u01b0\u1eddng v\u00e0 sau \u0111\u00f3 b\u1ecb lo\u1ea1i b\u1ecf kh\u1ecfi t\u1eeb tr\u01b0\u1eddng \u0111\u00f3.<\/p>\n
Nguy\u00ean l\u00fd t\u1eeb nhi\u1ec7t x\u1ea3y ra khi m\u1ed9t v\u1eadt li\u1ec7u t\u1eeb t\u00ednh thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 do s\u1ef1 thay \u0111\u1ed5i t\u1eeb tr\u01b0\u1eddng. C\u1ee5 th\u1ec3, khi m\u1ed9t v\u1eadt li\u1ec7u t\u1eeb t\u00ednh (th\u01b0\u1eddng l\u00e0 ch\u1ea5t t\u1eeb nhi\u1ec7t) \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t t\u1eeb tr\u01b0\u1eddng m\u1ea1nh, t\u1eeb tr\u1eadt t\u1ef1 c\u1ee7a c\u00e1c nguy\u00ean t\u1eed ho\u1eb7c ph\u00e2n t\u1eed c\u1ee7a n\u00f3 s\u1ebd thay \u0111\u1ed5i, l\u00e0m cho v\u1eadt li\u1ec7u n\u00e0y n\u00f3ng l\u00ean. Khi t\u1eeb tr\u01b0\u1eddng b\u1ecb lo\u1ea1i b\u1ecf, v\u1eadt li\u1ec7u s\u1ebd m\u1ea5t \u0111i l\u01b0\u1ee3ng nhi\u1ec7t n\u00e0y v\u00e0 l\u00e0m l\u1ea1nh.<\/p>\n
Trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng, m\u1ed9t t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o ch\u1ea5t t\u1eeb nhi\u1ec7t. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong qu\u00e1 tr\u00ecnh l\u00e0m l\u1ea1nh.<\/p>\n
Do \u00e1p d\u1ee5ng t\u1eeb tr\u01b0\u1eddng, ch\u1ea5t t\u1eeb nhi\u1ec7t s\u1ebd n\u00f3ng l\u00ean. L\u00fac n\u00e0y, ch\u1ea5t n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t th\u00f4ng qua ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed l\u00e0m l\u1ea1nh.<\/p>\n
Sau khi l\u00e0m l\u1ea1nh ch\u1ea5t t\u1eeb nhi\u1ec7t, t\u1eeb tr\u01b0\u1eddng s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf. Khi \u0111\u00f3, ch\u1ea5t t\u1eeb nhi\u1ec7t s\u1ebd l\u1ea1nh \u0111i v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m l\u1ea1nh m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n
Qu\u00e1 tr\u00ecnh l\u00e0m l\u1ea1nh di\u1ec5n ra l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n d\u01b0\u1edbi c\u01a1 ch\u1ebf \u00e1p d\u1ee5ng v\u00e0 lo\u1ea1i b\u1ecf t\u1eeb tr\u01b0\u1eddng. M\u1ed7i chu k\u1ef3 s\u1ebd t\u1ea1o ra m\u1ed9t s\u1ef1 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh v\u00e0 gi\u00fap l\u00e0m l\u1ea1nh kh\u00f4ng gian b\u00ean trong t\u1ee7 l\u1ea1nh.<\/p>\n<\/ul>\n
T\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh th\u01b0\u1eddng c\u00f3 hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n so v\u1edbi t\u1ee7 l\u1ea1nh truy\u1ec1n th\u1ed1ng, do kh\u00f4ng s\u1eed d\u1ee5ng m\u00e1y n\u00e9n v\u00e0 ch\u1ea5t l\u00e0m l\u1ea1nh l\u1ecfng c\u00f3 h\u1ea1i.<\/p>\n
T\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh c\u00f3 h\u1ea1i cho t\u1ea7ng ozone v\u00e0 \u00edt g\u00e2y hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh, gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n<\/ul>\n
T\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0 h\u1ee9a h\u1eb9n s\u1ebd \u0111em l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong vi\u1ec7c l\u00e0m l\u1ea1nh hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nguy\u00ean l\u00fd t\u1eeb nhi\u1ec7t, t\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta l\u00e0m l\u1ea1nh \u0111\u1ed3 \u0103n v\u00e0 th\u1ee9c u\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n
N\u1ebfu c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, n\u00f3 s\u1ebd l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 l\u1edbn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p l\u00e0m l\u1ea1nh, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng x\u1ea5u \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1ee7 l\u1ea1nh t\u1eeb t\u00ednh: T\u00ecm hi\u1ec3u v\u1ec1 nguy\u00ean l\u00fd l\u00e0m m\u00e1t t\u1eeb t\u00ednh, \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/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":"\n