{"id":2949,"date":"2021-10-15T20:41:30","date_gmt":"2021-10-15T13:41:30","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=2949"},"modified":"2021-10-22T18:08:48","modified_gmt":"2021-10-22T11:08:48","slug":"mpa-la-gi-cach-doi-don-vi-do-mpa","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/mpa-la-gi-cach-doi-don-vi-do-mpa\/","title":{"rendered":"MPa L\u00e0 G\u00ec? C\u00e1ch \u0110\u1ed5i \u0110\u01a1n V\u1ecb \u0110o MPa"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ed9t v\u00e0i lo\u1ea1i m\u00e1y m\u00f3c, ta th\u01b0\u1eddng th\u1ea5y c\u00f3 \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u01a1n v\u1ecb c\u00f3 k\u00ed hi\u1ec7u l\u00e0 MPa. K\u00ed hi\u1ec7u MPa l\u00e0 g\u00ec? MPa l\u00e0 \u0111\u01a1n v\u1ecb \u0111o g\u00ec? c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0o? \u0110\u1ed5i \u0111\u01a1n v\u1ecb \u0111\u00f3 c\u1ee7a MPa sang \u0111\u01a1n v\u1ecb kh\u00e1c nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i vi\u1ebft s\u1ebd gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc cho c\u00e1c b\u1ea1n MPa l\u00e0 g\u00ec? \u0110\u1ecdc b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u0103ng th\u00eam ki\u1ebfn th\u1ee9c cho b\u1ea1n nh\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MPa l\u00e0 g\u00ec? MPa l\u00e0 \u0111\u01a1n v\u1ecb g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01a1n v\u1ecb MPa l\u00e0 k\u00ed hi\u1ec7u c\u1ee7a c\u1ee5m t\u1eeb Mega Pascal. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t c\u1ee7a h\u1ec7 \u0111o l\u01b0\u1eddng qu\u1ed1c t\u1ebf (SI). \u0110\u01a1n v\u1ecb \u0111o xu\u1ea5t ph\u00e1t c\u1ee7a Mega Pascal l\u00e0 Pascal, k\u00ed hi\u1ec7u l\u00e0 Pa. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean t\u1eeb t\u00ean c\u1ee7a m\u1ed9t nh\u00e0 to\u00e1n h\u1ecdc, v\u1eadt l\u00fd h\u1ecdc Ph\u00e1p : Blaise Pascal. MPa th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 \u0111\u01a1n v\u1ecb \u0111o trong c\u00e1c m\u00e1y \u0111o \u00e1p su\u1ea5t, m\u00e1y \u0111o c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng nhi\u1ec7t l\u1ea1nh,\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 1.000.000 Pa<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1Pa=1N\/m<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, b\u1ea3n ch\u1ea5t c\u1ee7a MPa l\u00e0 m\u1ed9t ti\u1ec1n t\u1ed1 c\u1ee7a \u0111\u01a1n v\u1ecb Pascal Pa. V\u00e0 c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n 10^6 l\u1ea7n gi\u00e1 tr\u1ecb c\u1ee7a Pa. \u0110\u01a1n v\u1ecb t\u00ednh c\u1ee7a MPa ch\u00ednh l\u00e0 Pa ho\u1eb7c N\/m\u00b2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i MPa, Pascal c\u00f2n c\u00f3 c\u00e1c ti\u1ec1n t\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00ed hi\u1ec7u ti\u1ec1n t\u1ed1 K\u1ebft h\u1ee3p v\u1edbi \u0111\u01a1n v\u1ecb Pa Gi\u00e1 tr\u1ecb so v\u1edbi 1Pa C\u00e1ch \u0111\u1ecdc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">da daPa 10\u00b9 \u0110eca pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">h hPa 10\u00b2 Hecto pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">k kPa 10\u00b3 Kilo pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M MPa 10<sup>6<\/sup> Mega pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G GPa 10<sup>9<\/sup> Giga pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T TPa 10<sup>12<\/sup> Tera pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P PPa 10<sup>15<\/sup> Peta pascal<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng ti\u1ec1n t\u1ed1 c\u1ee7a MPa<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5i \u0111\u01a1n v\u1ecb MPa sang c\u00e1c \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t kh\u00e1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t l\u00e0 Mpa ho\u1eb7c Pa, h\u1ec7 \u0111o l\u01b0\u1eddng qu\u1ed1c t\u1ebf c\u00f2n c\u00f3 nhi\u1ec1u \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t kh\u00e1c. Tu\u1ef3 v\u00e0o m\u1ee5c \u0111\u00edch \u0111o, v\u1eadt c\u1ea7n \u0111o, tr\u01b0\u1eddng h\u1ee3p \u0111o \u00e1p su\u1ea5t m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o kh\u00e1c nhau. M\u1ed9t v\u00e0i \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t kh\u00e1c nh\u01b0 bar, psi, atm, mmH<sub>2<\/sub>O,\u2026 C\u00e1ch \u0111\u1ed5i c\u00e1c \u0111\u01a1n v\u1ecb \u0111o \u0111\u00f3 so v\u1edbi Pa ho\u1eb7c Mpa nh\u01b0 th\u1ebf n\u00e0o? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng quy \u0111\u1ed5i c\u00e1c \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t chu\u1ea9n qu\u1ed1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i b\u1ea3ng tr\u00ean, ch\u00fang ta c\u00f2n m\u1ed9t s\u1ed1 lo\u1ea1i \u0111o l\u01b0\u1eddng \u00e1p su\u1ea5t v\u1edbi c\u00e1c c\u00e1ch quy \u0111\u1ed5i sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 1000 kN\/m<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 1 N\/mm<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 0,1 kN\/cm<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 0,001kN\/mm<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 1,019 716 \u00d7105 kgf\/m\u00b2 ( \u0111\u1ecdc l\u00e0 kilogam l\u1ef1c tr\u00ean m\u00e9t vu\u00f4ng)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1MPa= 10 bar<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t MPa trong th\u1ef1c t\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n nay, ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t MPa trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u0111i\u1ec7n t\u1eed, m\u00e1y m\u00f3c, nh\u00e0 m\u00e1y, tr\u1ea1m b\u01a1m\u2026 \u0111\u1ec3 \u0111o l\u01b0\u1eddng \u00e1p su\u1ea5t ch\u1ea5t l\u1ecfng, kh\u00ed d\u1eabn qua m\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, khi b\u1ea1n \u0111i mua c\u00e1c lo\u1ea1i m\u00e1y b\u01a1m, m\u00e1y r\u1eeda xe,\u2026 th\u00f4ng tin c\u1ee7a m\u00e1y c\u0169ng c\u00f3 c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 bar, MPa,.. \u0110\u00e2y ch\u00ednh l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 \u00e1p l\u1ef1c n\u01b0\u1edbc, kh\u00ed c\u1ee7a m\u00e1y khi ho\u1ea1t \u0111\u1ed9ng, th\u1ec3 hi\u1ec7n \u0111\u1ed9 m\u1ea1nh y\u1ebfu c\u1ee7a n\u01b0\u1edbc. D\u1ef1a v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 tr\u00ean m\u00e1y r\u1eeda xe, m\u00e1y b\u01a1m,\u2026 b\u1ea1n s\u1ebd ch\u1ecdn cho m\u00ecnh \u0111\u01b0\u1ee3c nh\u1eefng chi\u1ebfc m\u00e1y c\u00f3 \u0111\u1ed9 \u00e1p su\u1ea5t MPa ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t MPa c\u00f2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng b\u1eb1ng c\u00e1c lo\u1ea1i m\u00e1y h\u00fat ch\u00e2n kh\u00f4ng. C\u00e1c thi\u1ebft b\u1ecb c\u1ea3nh b\u00e1o ho\u1eb7c tr\u00ean c\u00e1c c\u00f4ng t\u0103c \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng \u0111\u1ec1u c\u00f3 \u0111\u01a1n v\u1ecb \u0111o MPa n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y, Vietlearn.org \u0111\u00e3 chia s\u1ebb cho b\u1ea1n \u0111\u1ecdc bi\u1ebft MPa l\u00e0 g\u00ec? MPa l\u00e0 \u0111\u01a1n v\u1ecb \u0111o g\u00ec? C\u00e1ch quy \u0111\u1ed5i \u0111\u01a1n v\u1ecb MPa sang c\u00e1c \u0111\u01a1n v\u1ecb \u0111o \u00e1p su\u1ea5t kh\u00e1c. \u1ee8ng d\u1ee5ng c\u1ee7a MPa trong cu\u1ed9c s\u1ed1ng th\u1ef1c ti\u1ec5n hi\u1ec7n nay. Hi v\u1ecdng nh\u1eefng th\u00f4ng tin tr\u00ean h\u1eefu \u00edch cho b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn Trong m\u1ed9t v\u00e0i lo\u1ea1i m\u00e1y m\u00f3c, ta th\u01b0\u1eddng th\u1ea5y c\u00f3 \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u01a1n v\u1ecb c\u00f3 k\u00ed hi\u1ec7u l\u00e0 MPa. K\u00ed hi\u1ec7u MPa l\u00e0 g\u00ec? MPa l\u00e0 \u0111\u01a1n v\u1ecb \u0111o g\u00ec? c\u1ee7a \u0111\u1ea1i l\u01b0\u1ee3ng n\u00e0o? \u0110\u1ed5i \u0111\u01a1n v\u1ecb \u0111\u00f3 c\u1ee7a MPa sang \u0111\u01a1n v\u1ecb kh\u00e1c nh\u01b0 th\u1ebf n\u00e0o? B\u00e0i [&hellip;]<\/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":[7],"tags":[],"class_list":["post-2949","post","type-post","status-publish","format-standard","hentry","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2949","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=2949"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/2949\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=2949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=2949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=2949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}