H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 l\u00e0 g\u00ec? Nh\u1eefng chuy\u1ebfn bay c\u1ee7a m\u00e1y bay tr\u1ef1c th\u0103ng, m\u00e1y bay ch\u1edf kh\u00e1ch trong b\u1ea7u kh\u00ed quy\u1ec3n g\u1ecdi l\u00e0 chuy\u1ebfn bay h\u00e0ng kh\u00f4ng. C\u00f2n nh\u1eefng chuy\u1ebfn bay c\u1ee7a v\u1ec7 tinh nh\u00e2n t\u1ea1o, c\u1ee7a c\u00e1c con t\u00e0u v\u0169 tr\u1ee5 tr\u00ean t\u1ea7ng cao \u1edf ngo\u00e0i t\u1ea7ng kh\u00ed quy\u1ec3n, ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00f3 l\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. M\u00e1y bay h\u00e0ng kh\u00f4ng v\u0169 tr\u0169 l\u00e0 lo\u1ea1i c\u00f4ng c\u1ee5 v\u1eeba c\u00f3 ch\u1ee9c n\u0103ng v\u1eadn t\u1ea3i trong bay h\u00e0ng kh\u00f4ng v\u00e0 c\u1ea3 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/p>\n\n\n\n
M\u00e1y bay h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 th\u01b0\u1eddng mang nhi\u1ec1u \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda (ho\u1eb7c \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c cao \u00e1p) d\u00f9ng s\u1ee9c \u0111\u1ea9y c\u1ef1c l\u1edbn \u0111\u1ec3 \u0111\u1ea9y m\u00e1y bay bay \u0111i. Sau khi bay ra kh\u1ecfi t\u1ea7ng kh\u00ed quy\u1ec3n, m\u00e1y bay kh\u1edfi \u0111\u1ed9ng c\u00e1c \u0111\u1ed9ng c\u01a1 nh\u1ecf \u0111\u1ec3 bay trong qu\u1ef9 \u0111\u1ea1o kh\u00f4ng gian v\u0169 tr\u1ee5. Khi bay tr\u00ean qu\u1ef9 \u0111\u1ea1o, t\u1ed5 l\u00e1i c\u00f3 th\u1ec3 ph\u1ed1i h\u1ee3p th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5. Khi bay v\u1ec1, m\u00e1y bay h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 c\u0169ng th\u1ef1c hi\u1ec7n h\u1ea1 c\u00e1nh gi\u1ed1ng nh\u01b0 m\u00e1y bay th\u01b0\u1eddng. V\u00ec m\u00e1y bay v\u0169 tr\u1ee5 c\u00f3 th\u1ec3 d\u00f9ng \u0111i d\u00f9ng l\u1ea1i nhi\u1ec1u l\u1ea7n, v\u1eeba c\u00f3 th\u1ec3 bay \u0111i bay v\u1ec1 gi\u1eefa qu\u1ef9 \u0111\u1ea1o v\u0169 tr\u1ee5 v\u00e0 qu\u1ef9 \u0111\u1ea1o g\u1ea7n m\u1eb7t \u0111\u1ea5t, n\u00ean \u0111\u00f3 l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n
Khi ph\u00f3ng v\u00e0 thu h\u1ed3i c\u00e1c lo\u1ea1i kh\u00ed c\u1ee5 bay, c\u00e1c nh\u00e0 chuy\u00ean m\u00f4n r\u1ea5t quan t\u00e2m \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 l\u00e0 v\u1ecf c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb s\u1ebd c\u00f3 nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao khi bay v\u00e0o t\u1ea7ng kh\u00ed quy\u1ec3n. Ch\u00fang ta \u0111\u1ec1u bi\u1ebft, v\u00e0o ban \u0111\u00eam c\u00f3 nhi\u1ec1u sao b\u0103ng s\u00e1ng lo\u00e9 m\u1eaft, ch\u00ednh l\u00e0 do c\u00e1c sao b\u0103ng \u0111\u00e3 b\u00f9ng ch\u00e1y khi bay v\u00e0o l\u1edbp kh\u00ed quy\u1ec3n c\u1ee7a Tr\u00e1i \u0110\u1ea5t v\u00e0 c\u00f3 nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao.<\/p>\n\n\n\n
Khi m\u00e1y bay v\u0169 tr\u1ee5 bay v\u1ec1 Tr\u00e1i \u0110\u1ea5t, khi bay xuy\u00ean qua t\u1ea7ng kh\u00ed quy\u1ec3n, v\u1ecf m\u00e1y bay c\u0169ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 v\u1eady. Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao nh\u01b0 v\u1eady? Lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 nh\u1eefng h\u1ee3p ch\u1ea5t cacbua silic, silic nitrua, ziriconi oxit (nh\u01b0 h\u1ee3p ch\u1ea5t silic, nitrua bo, nh\u00f4m oxit\u2026). \u0110\u00e2y l\u00e0 h\u1ecd v\u1eadt li\u1ec7u g\u1ed1m kh\u00f4ng b\u1ecb m\u1ec1m khi g\u1eb7p nhi\u1ec7t \u0111\u1ed9 cao. V\u00ed d\u1ee5 g\u1ed1m cacbua silic c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn 1500\u00b0C m\u00e0 c\u01b0\u1eddng \u0111\u1ed9 v\u1eabn kh\u00f4ng thay \u0111\u1ed5i. V\u1ec1 m\u1eb7t n\u00e0y kh\u00f4ng kim lo\u1ea1i n\u00e0o c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c. D\u00f9ng lo\u1ea1i g\u1ed1m n\u00e0y l\u00e0m v\u1ecf cho m\u00e1y bay v\u0169 tr\u1ee5 kh\u00f4ng ch\u1ec9 nh\u1eb9, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ecbu \u0111\u01b0\u1ee3c va \u0111\u1eadp m\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111i, s\u1eed d\u1ee5ng l\u1ea1i \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1ea7n. Ngo\u00e0i m\u00e1y bay v\u0169 tr\u1ee5, \u0111\u1ea7u c\u1ee7a t\u00ean l\u1eeda v\u01b0\u1ee3t \u0111\u1ea1i ch\u00e2u, m\u0169i c\u1ee7a c\u00e1c v\u1ec7 tinh nh\u00e2n t\u1ea1o, l\u1edbp trong c\u1ee7a c\u00e1c \u1ed1ng phun l\u1eeda, l\u00e0 nh\u1eefng n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 l\u1edbn h\u01a1n ngh\u00ecn \u0111\u1ed9, ng\u01b0\u1eddi ta hay d\u00f9ng c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao n\u00e0y.<\/p>\n\n\n\n
C\u00e1c lo\u1ea1i g\u1ed1m ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng gi\u00f2n, d\u1ec5 v\u1ee1 n\u00ean ng\u01b0\u1eddi ta ph\u1ea3i th\u00eam v\u00e0o g\u1ed1m lo\u1ea1i v\u1eadt li\u1ec7u s\u1ee3i c\u00f3 ch\u1ee9a bo; ch\u1ebf t\u1ea1o \u0111\u01b0\u1ee3c lo\u1ea1i v\u1eadt li\u1ec7u v\u1eeba ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9, c\u00f3 \u0111\u1ed9 c\u1ee9ng l\u1edbn, c\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng thay \u0111\u1ed5i khi g\u1eb7p nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 th\u1ec3 d\u00f9ng \u0111i d\u00f9ng l\u1ea1i nhi\u1ec1u l\u1ea7n. \u0110\u00e2y l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u ph\u1ee9c h\u1ee3p d\u00f9ng l\u00e0m v\u1ecf ngo\u00e0i cho m\u00e1y bay v\u0169 tr\u1ee5 c\u00f3 th\u1ec3 bay xuy\u00ean qua t\u1ea7ng kh\u00ed quy\u1ec3n m\u00e0 v\u1eabn an to\u00e0n.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: M\u00e1y bay v\u0169 tr\u1ee5; G\u1ed1m ch\u1ecbu nhi\u1ec7t \u0111\u1ed9.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 l\u00e0 g\u00ec? Nh\u1eefng chuy\u1ebfn bay c\u1ee7a m\u00e1y bay tr\u1ef1c th\u0103ng, m\u00e1y bay ch\u1edf kh\u00e1ch trong b\u1ea7u kh\u00ed quy\u1ec3n g\u1ecdi l\u00e0 chuy\u1ebfn bay h\u00e0ng kh\u00f4ng. C\u00f2n nh\u1eefng chuy\u1ebfn bay c\u1ee7a v\u1ec7 tinh nh\u00e2n t\u1ea1o, c\u1ee7a c\u00e1c con t\u00e0u v\u0169 tr\u1ee5 tr\u00ean t\u1ea7ng cao \u1edf ngo\u00e0i t\u1ea7ng kh\u00ed quy\u1ec3n, ng\u01b0\u1eddi ta g\u1ecdi \u0111\u00f3 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-7914","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7914"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7914\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}