{"id":20214,"date":"2020-04-23T02:07:48","date_gmt":"2020-04-23T02:07:48","guid":{"rendered":"http:\/\/dgbellvietnam.com\/introduction-of-the-principle-of-climatic-environmental-test-chamber\/"},"modified":"2024-11-08T11:08:21","modified_gmt":"2024-11-08T04:08:21","slug":"introduction-of-the-principle-of-climatic-environmental-test-chamber","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/introduction-of-the-principle-of-climatic-environmental-test-chamber\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u0110\u00e2y l\u00e0 b\u00e0i vi\u1ebft tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a ch\u00fang t\u00f4i: <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/what-is-an-environmental-test-chamber-and-how-does-it-work.html\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , h\u00f4m nay ch\u00fang t\u00f4i mu\u1ed1n gi\u1edbi thi\u1ec7u cho b\u1ea1n nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u00ed h\u1eadu.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Th\u1ec3 t\u00edch l\u00e0m vi\u1ec7c c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u00ed h\u1eadu ph\u1ea3i \u00edt nh\u1ea5t g\u1ea5p 3 \u0111\u1ebfn 5 l\u1ea7n th\u1ec3 t\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. L\u00fd do cho quy \u0111\u1ecbnh n\u00e0y nh\u01b0 sau:<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sau khi s\u1ea3n ph\u1ea9m th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u1eb7t trong bu\u1ed3ng kh\u00ed h\u1eadu, n\u00f3 s\u1ebd \u00e9p m\u1ed9t k\u00eanh tr\u01a1n tru. Vi\u1ec7c thu h\u1eb9p k\u00eanh s\u1ebd l\u00e0m t\u0103ng l\u01b0u l\u01b0\u1ee3ng d\u00f2ng kh\u00ed v\u00e0 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa lu\u1ed3ng kh\u00ed v\u00e0 s\u1ea3n ph\u1ea9m th\u1eed nghi\u1ec7m. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c t\u00e1i t\u1ea1o c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, v\u00ec trong c\u00e1c ti\u00eau chu\u1ea9n c\u00f3 li\u00ean quan, nh\u01b0 sau:<\/span><\/span><\/li>\n<\/ul>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">a) \u0110\u1ed1i v\u1edbi c\u00e1c th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9, t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed xung quanh m\u1eabu th\u1eed trong bu\u1ed3ng th\u1eed kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1,7 m\/s \u0111\u1ec3 tr\u00e1nh m\u1eabu th\u1eed v\u00e0 kh\u00ed h\u1eadu xung quanh t\u1ea1o ra s\u1ef1 d\u1eabn nhi\u1ec7t kh\u00f4ng th\u1ef1c t\u1ebf.<\/span><\/span><\/strong><\/p>\n<p><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">b) T\u1ed1c \u0111\u1ed9 gi\u00f3 trung b\u00ecnh trong bu\u1ed3ng th\u1eed l\u00e0 0,6-0,8m\/s, kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1m\/s.<\/span><\/span><\/strong><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Khi \u0111\u00e1p \u1ee9ng c\u00e1c t\u1ef7 l\u1ec7 kh\u00f4ng gian v\u00e0 di\u1ec7n t\u00edch quy \u0111\u1ecbnh t\u1ea1i hai \u0111i\u1ec3m a) v\u00e0 b), t\u1ed1c \u0111\u1ed9 gi\u00f3 c\u1ee7a tr\u01b0\u1eddng d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 t\u0103ng (50~100)%. T\u1ed1c \u0111\u1ed9 gi\u00f3 c\u1ef1c \u0111\u1ea1i trung b\u00ecnh c\u1ee7a bu\u1ed3ng <\/span><\/span><a href=\"https:\/\/belltestchamber.com\/environmental-chamber\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">th\u1eed<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> nhi\u1ec7t \u1ea9m kh\u00f4ng \u0111\u1ed5i l\u00e0 (1~1,7) m\/s, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n.<\/span><\/span><\/p>\n<ul>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">N\u1ebfu th\u1ec3 t\u00edch ho\u1eb7c di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang h\u01b0\u1edbng gi\u00f3 c\u1ee7a m\u1eabu th\u1eed t\u0103ng l\u00ean m\u00e0 kh\u00f4ng c\u00f3 h\u1ea1n ch\u1ebf trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, t\u1ed1c \u0111\u1ed9 gi\u00f3 c\u1ee7a lu\u1ed3ng kh\u00ed trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf s\u1ebd t\u0103ng l\u00ean v\u01b0\u1ee3t qu\u00e1 t\u1ed1c \u0111\u1ed9 gi\u00f3 t\u1ed1i \u0111a do ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m quy \u0111\u1ecbnh v\u00e0 t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m s\u1ebd b\u1ecb nghi ng\u1edd.<\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ch\u1ec9 s\u1ed1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 m\u00f4i tr\u01b0\u1eddng (nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, t\u1ed1c \u0111\u1ed9 l\u1eafng \u0111\u1ecdng s\u01b0\u01a1ng mu\u1ed1i, v.v.) trong bu\u1ed3ng l\u00e0m vi\u1ec7c c\u1ee7a bu\u1ed3ng kh\u00ed h\u1eadu l\u00e0 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng t\u1ea3i. Sau khi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o, n\u00f3 s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 m\u00f4i tr\u01b0\u1eddng trong bu\u1ed3ng l\u00e0m vi\u1ec7c c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m v\u00e0 kh\u00f4ng gian m\u00e0 s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m chi\u1ebfm gi\u1eef c\u00e0ng l\u1edbn th\u00ec t\u00e1c \u0111\u1ed9ng n\u00e0y c\u00e0ng nghi\u00eam tr\u1ecdng.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">D\u1eef li\u1ec7u th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf cho th\u1ea5y ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa b\u1ec1 m\u1eb7t \u0111\u00f3n gi\u00f3 v\u00e0 khu\u1ea5t gi\u00f3 trong tr\u01b0\u1eddng d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 3-8\u2103, v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, c\u00f3 th\u1ec3 l\u00ean t\u1edbi 10\u2103. Do \u0111\u00f3, hai y\u00eau c\u1ea7u a) v\u00e0 b) ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng t\u1ed1i \u0111a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a c\u00e1c th\u00f4ng s\u1ed1 m\u00f4i tr\u01b0\u1eddng xung quanh s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Theo nguy\u00ean l\u00fd d\u1eabn nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a lu\u1ed3ng kh\u00ed g\u1ea7n th\u00e0nh bu\u1ed3ng th\u01b0\u1eddng ch\u00eanh l\u1ec7ch so v\u1edbi nhi\u1ec7t \u0111\u1ed9 trung t\u00e2m c\u1ee7a tr\u01b0\u1eddng d\u00f2ng kh\u00ed t\u1eeb 2 \u0111\u1ebfn 3\u2103 v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 5\u2103 \u1edf gi\u1edbi h\u1ea1n tr\u00ean v\u00e0 d\u01b0\u1edbi c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a th\u00e0nh bu\u1ed3ng th\u1eed nghi\u1ec7m c\u1ee7a bu\u1ed3ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p kh\u00e1c v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a tr\u01b0\u1eddng d\u00f2ng ch\u1ea3y g\u1ea7n th\u00e0nh bu\u1ed3ng t\u1eeb 2 \u0111\u1ebfn 3\u2103 (t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac v\u00e0 v\u1eadt li\u1ec7u c\u1ee7a th\u00e0nh bu\u1ed3ng th\u1eed nghi\u1ec7m). Ch\u00eanh l\u1ec7ch gi\u1eefa nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n b\u00ean ngo\u00e0i c\u00e0ng l\u1edbn th\u00ec ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 tr\u00ean c\u00e0ng l\u1edbn. Do \u0111\u00f3, kh\u00f4ng gian trong kho\u1ea3ng c\u00e1ch 100-150 mm t\u1eeb th\u00e0nh bu\u1ed3ng th\u1eed nghi\u1ec7m l\u00e0 kh\u00f4ng gian kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">DGBell l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t bu\u1ed3ng kh\u00ed h\u1eadu, nh\u00e0 s\u1ea3n xu\u1ea5t bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng, t\u1ea5t c\u1ea3 gi\u00e1 bu\u1ed3ng kh\u00ed h\u1eadu, gi\u00e1 bu\u1ed3ng m\u00f4i tr\u01b0\u1eddng, v.v. \u0111\u1ec1u l\u00e0 gi\u00e1 xu\u1ea5t x\u01b0\u1edfng, bu\u1ed3ng th\u1eed nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i theo ti\u00eau chu\u1ea9n un38.3. N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn bu\u1ed3ng th\u1eed nghi\u1ec7m, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i theo \u0111\u1ecba ch\u1ec9: <\/span><\/span><a href=\"https:\/\/dgbellvietnam.com\/lien-he\/\" target=\"_blank\" rel=\"noopener\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">https:\/\/dgbellvietnam.com\/lien-he<\/span><\/span><\/a><\/p>\n<div class=\"blog-share text-center\">\n<div class=\"social-icons share-icons share-row relative\"><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u00e2y l\u00e0 b\u00e0i vi\u1ebft tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a ch\u00fang t\u00f4i: bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o , h\u00f4m nay ch\u00fang t\u00f4i mu\u1ed1n gi\u1edbi thi\u1ec7u cho b\u1ea1n nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng kh\u00ed h\u1eadu. Th\u1ec3 t\u00edch l\u00e0m vi\u1ec7c c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng<\/p>\n","protected":false},"author":1,"featured_media":20215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-20214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/20214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=20214"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/20214\/revisions"}],"predecessor-version":[{"id":22171,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/20214\/revisions\/22171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/20215"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=20214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=20214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=20214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}