T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum<\/p>\n\n\n\n
Cho \u0111\u1ebfn nay th\u00ec \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c l\u00e0 m\u1edbi nh\u1ea5t v\u00e0 m\u1ea1nh nh\u1ea5t d\u00f9ng cho m\u00e1y bay v\u00e0 h\u1ecfa ti\u1ec5n. Nh\u01b0ng nguy\u00ean t\u1eafc ph\u1ea3n l\u1ef1c th\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn t\u1eeb hai ng\u00e0n n\u0103m tr\u01b0\u1edbc. S\u1ee9c t\u1ed1ng (s\u1ee9c \u0111\u1ea9y) ph\u1ea3n l\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u00e0 to\u00e1n h\u1ecdc ng\u01b0\u1eddi Hy L\u1ea1p t\u00ean l\u00e0 Hero of Alexander ph\u00e1t hi\u1ec7n v\u00e0o kho\u1ea3ng n\u0103m 120 tr\u01b0\u1edbc C\u00f4ng Nguy\u00ean. \u00d4ng \u0111\u00e3 d\u00f9ng h\u01a1i n\u01b0\u1edbc tho\u00e1t ra t\u1eeb m\u1ed9t tr\u00e1i banh b\u1eb1ng kim lo\u1ea1i hun n\u00f3ng l\u00e0m cho n\u00f3 l\u0103n tr\u00f2n nh\u01b0 c\u00e1i b\u00e1nh xe. mu\u1ed1n bi\u1ebft s\u1ee9c t\u1ed1ng ph\u1ea3n l\u1ef1c v\u1eadn h\u00e0nh nh\u01b0 th\u1ebf n\u00e0o th\u00ec c\u1ee9 xem m\u1ed9t tr\u00e1i banh b\u1ecb x\u00ec h\u01a1i m\u1ea1nh. Khi tr\u00e1i banh k\u00edn, h\u01a1i trong tr\u00e1i banh tr\u01b0\u01a1ng m\u1ed9t s\u1ee9c \u00e9p b\u1eb1ng nhau tr\u00ean t\u1ea5t c\u1ea3 m\u1ecdi \u0111i\u1ec3m tr\u00ean v\u00e1ch trong c\u1ee7a tr\u00e1i banh. Khi c\u00f3 m\u1ed9t ch\u1ed7 b\u1ecb l\u1ee7ng, \u00e1p su\u1ea5t (ph\u00eda trong) ch\u1ed7 \u0111\u00f3 y\u1ebfu \u0111i v\u00ec kh\u00ed tho\u00e1t ra. Tuy nhi\u00ean, \u1edf ph\u00eda \u0111\u1ed1i di\u1ec7n v\u1edbi ch\u1ed7 b\u1ecb l\u1ee7ng th\u00ec l\u1ea1i \u00e1p su\u1ea5t m\u1ea1nh h\u01a1n. Do \u0111\u00f3, tr\u00e1i banh s\u1ebd chuy\u1ec3n \u0111\u1ed9ng theo h\u01b0\u1edbng \u00e1p su\u1ea5t m\u1ea1nh h\u01a1n t\u1ee9c l\u00e0 ngh\u1ecbch v\u1edbi h\u01b0\u1edbng kh\u00f4ng kh\u00ed tho\u00e1t ra.<\/p>\n\n\n\n
S\u1ef1 ki\u1ec7n di chuy\u1ec3n ngh\u1ecbch chi\u1ec1u n\u00e0y tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt: m\u1ed7i chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ec1u c\u00f3 m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng kh\u00e1c \u0111\u1ed3ng \u0111\u1eb3ng v\u00e0 \u0111\u1ed1i ngh\u1ecbch. Trong m\u00e1y t\u1ed1ng ph\u1ea3n l\u1ef1c th\u00ec h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng l\u00e0 h\u01b0\u1edbng do s\u1ef1 ch\u00e1y nguy\u00ean li\u1ec7u \u201cphun\u201d ra v\u00e0 h\u01b0\u1edbng \u0111\u1ed3ng \u0111\u1eb3ng v\u00e0 \u0111\u1ed1i ngh\u1ecbch l\u00e0 h\u01b0\u1edbng bay t\u1edbi c\u1ee7a h\u1ecfa ti\u1ec5n.<\/p>\n\n\n\n
C\u00f3 hai ki\u1ec3u \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c c\u01a1 b\u1ea3n: \u0111\u1ed9ng c\u01a1 kh\u00ed \u00e9p (ramjet) v\u00e0 \u0111\u1ed9ng c\u01a1 tua-bin (turbojet). \u0111\u1ed9ng c\u01a1 kh\u00ed \u00e9p gi\u1ed1ng nh\u01b0 c\u00e1i \u1ed1ng kh\u00f3i bay. \u0111\u1ed9ng c\u01a1 n\u00e0y kh\u00f4ng c\u00f3 ph\u1ea7n l\u1ef1c \u0111\u1ea9y ra. Kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c \u201ch\u00fat v\u00e0o\u201d \u0111\u1ea7u h\u1edf do ch\u00ednh s\u1ee9c chuy\u1ec3n \u0111\u1ed9ng t\u1edbi c\u1ee7a t\u00ean l\u1eeda. Khi v\u00e0o, kh\u00f4ng kh\u00ed tr\u1ed9n v\u1edbi nhi\u00ean li\u1ec7u v\u00e0 ch\u00e1y l\u00e0m cho th\u1ec3 t\u00edch t\u0103ng l\u00ean g\u1ea5p 5 l\u1ea7n, khi \u0111\u1ee9ng im l\u1eeda trong \u0111\u1ed9ng c\u01a1 kh\u00ed \u00e9p kh\u00f4ng c\u00f3 s\u1ee9c \u0111\u1ea9y nh\u01b0ng khi c\u00e0ng chuy\u1ec3n \u0111\u1ed9ng nhanh th\u00ec n\u00f3 t\u1ea1o ra l\u1ef1c c\u00e0ng m\u1ea1nh.<\/p>\n\n\n\n
Trong \u0111\u1ed9ng c\u01a1 tua-bin, kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c m\u00e1y n\u00e9n com- pressor h\u00fat v\u00e0o, n\u00e9n ch\u1eb7t trong \u201cng\u0103n\u201d \u0111\u1ed1t, t\u1ea1i \u0111\u00e2y, kh\u00f4ng kh\u00ed tr\u1ed9n v\u1edbi kh\u00ed \u0111\u1ed1t v\u00e0 ch\u00e1y. H\u01a1i n\u00f3ng tho\u00e1t ra qua tua-bin v\u00e0 tho\u00e1t ra ngo\u00e0i qua \u0111\u1ea7u \u1ed1ng t\u1ea1o n\u00ean s\u1ee9c \u0111\u1ea9y ph\u1ea3n l\u1ef1c.<\/p>\n\n\n\n
N\u1ebfu n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o tua-bin v\u00e0 tr\u1ee5c truy\u1ec1n l\u1ef1c c\u1ee7a tua-bin l\u00e0m quay c\u00e1nh qu\u1ea1t m\u00e1y bay th\u00ec ta c\u00f3 lo\u1ea1i m\u00e1y bay ph\u1ea3n l\u1ef1c c\u00e1nh qu\u1ea1t.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum Cho \u0111\u1ebfn nay th\u00ec \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c l\u00e0 m\u1edbi nh\u1ea5t v\u00e0 m\u1ea1nh nh\u1ea5t d\u00f9ng cho m\u00e1y bay v\u00e0 h\u1ecfa ti\u1ec5n. Nh\u01b0ng nguy\u00ean t\u1eafc ph\u1ea3n l\u1ef1c th\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c con ng\u01b0\u1eddi bi\u1ebft \u0111\u1ebfn t\u1eeb hai ng\u00e0n n\u0103m tr\u01b0\u1edbc. S\u1ee9c […]<\/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":[15],"tags":[],"class_list":["post-14576","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14576","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=14576"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14576\/revisions"}],"predecessor-version":[{"id":14577,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14576\/revisions\/14577"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}