1个标准大气压等于多少厘米水银柱等于多少帕 1个标准大气压等于多少mm汞柱？等于多少mm的水柱？等于多少...
1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\u7b49\u4e8e\u591a\u5c11mm\u6c5e\u67f1\u7b49\u4e8e\u591a\u5c11mm\u7684\u6c34\u67f1\u7b49\u4e8e\u591a\u5c11Pa1\u6807\u51c6\u5927\u6c14\u538b=760mm\u6c5e\u67f1=10.339m\u6c34\u67f1=1.01325\u00d710^5Pa\u3002
p\u6c34\u94f6=\u03c1\u6c34\u94f6gh=13.595\u00d710^3\u5343\u514b/m³\u00d79.80672\u725b/\u5343\u514b\u00d70.76\u7c73=1.01325\u00d710^5\u5e15\u3002\u5927\u6c14\u538b\u7684\u6807\u51c6\u73af\u5883\u4e3a\uff1a\u5728\u7eac\u5ea645\u00b0\u7684\u6d77\u5e73\u9762\u4e0a\uff0c\u5f53\u6e29\u5ea6\u4e3a0\u2103\u65f6\uff0c760\u6beb\u7c73\u9ad8\u6c34\u94f6\u67f1\u4ea7\u751f\u7684\u538b\u5f3a\u53eb\u505a\u6807\u51c6\u5927\u6c14\u538b\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u5927\u6c14\u538b\u7684\u53d8\u5316\u8ddf\u9ad8\u5ea6\u6709\u5173\u3002\u5927\u6c14\u538b\u662f\u7531\u5927\u6c14\u5c42\u53d7\u5230\u91cd\u529b\u4f5c\u7528\u800c\u4ea7\u751f\u7684\uff0c\u79bb\u5730\u9762\u8d8a\u9ad8\u7684\u5730\u65b9\uff0c\u5927\u6c14\u5c42\u5c31\u8d8a\u8584\uff0c\u90a3\u91cc\u7684\u5927\u6c14\u538b\u5c31\u5e94\u8be5\u8d8a\u5c0f\u3002\u4e0d\u8fc7\uff0c\u7531\u4e8e\u8ddf\u5927\u6c14\u5c42\u53d7\u5230\u7684\u91cd\u529b\u6709\u5173\u7684\u7a7a\u6c14\u5bc6\u5ea6\u968f\u9ad8\u5ea6\u53d8\u5316\u4e0d\u5747\u5300\uff0c\u56e0\u6b64\u5927\u6c14\u538b\u968f\u9ad8\u5ea6\u51cf\u5c0f\u4e5f\u662f\u4e0d\u5747\u5300\u7684\u3002\u968f\u9ad8\u5ea6\u7684\u53d8\u5316\u60c5\u51b5\uff1a\u5927\u6c14\u538b\u5f3a\u968f\u9ad8\u5ea6\u7684\u589e\u52a0\u800c\u51cf\u5c0f\u3002
\u5927\u6c14\u538b\u7684\u53d8\u5316\u8fd8\u8ddf\u5929\u6c14\u6709\u5173\u3002\u5728\u4e0d\u540c\u65f6\u95f4\uff0c\u540c\u4e00\u5730\u65b9\u7684\u5927\u6c14\u538b\u5e76\u4e0d\u5b8c\u5168\u76f8\u540c\u3002\u6211\u4eec\u77e5\u9053\uff0c\u6c34\u84b8\u6c14\u7684\u5bc6\u5ea6\u6bd4\u7a7a\u6c14\u5bc6\u5ea6\u5c0f\uff0c\u5f53\u7a7a\u6c14\u4e2d\u542b\u6709\u8f83\u591a\u6c34\u84b8\u6c14\u65f6\uff0c\u7a7a\u6c14\u5bc6\u5ea6\u8981\u53d8\u5c0f\uff0c\u5927\u6c14\u538b\u4e5f\u968f\u7740\u964d\u4f4e\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u6807\u51c6\u5927\u6c14\u538b
1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\u7b49\u4e8e760mm\u6c5e\u67f1\uff0c\u7b49\u4e8e10339mm\u7684\u6c34\u67f1\uff0c\u7b49\u4e8e101325Pa\u3002
\u89e3\uff1a\u4e14\u5df2\u77e5\u6c5e(Hg)\u7684\u5bc6\u5ea6\u03c1=13590kg/m^3\uff0c\u6c34\u7684\u5bc6\u5ea6\u03c1=1000kg/m^3\uff0c\u91cd\u529b\u5e38\u6570g=9.8N/kg\u3002
\u56e0\u4e3a\u6839\u636e\u538b\u5f3a\u516c\u5f0f\uff0cP=F/S=mg/S=\u03c1Sh*g/S=\u03c1gh\uff0c
\u53ef\u6c42\u5f971mm\u6c5e\u67f1\u7684\u538b\u5f3a\u4e3a\uff0c
P=13590kg/m^3x9.8N/kgx1mm
=133.182Pa\u3002
\u540c\u6837\u5229\u7528\u516c\u5f0fP=F/S=mg/S=\u03c1Sh*g/S=\u03c1gh\uff0c
\u53ef\u6c42\u5f971mm\u6c34\u67f1\u7684\u538b\u5f3a\u4e3a\uff0c
P=1000kg/m^3x9.8N/kgx1mm
=9.8Pa
\u800c1atm=101325pa\uff0c\u90a3\u4e48\u53ef\u6c42\u5f97\uff0c
1atm=101325\u00f79.8mm\u6c34\u67f1\u224810339mm\u6c34\u67f1\u3002
1atm=101325\u00f7133.182mmHg\u2248760mmHg\u3002
\u6269\u5c55\u8d44\u6599\uff1a
1\u3001\u538b\u5f3a\u5355\u4f4d\u53ca\u76f8\u4e92\u7684\u6362\u7b97
\uff081\uff09\u538b\u5f3a\u7684\u5355\u4f4d\u6709\u5146\u5e15\u3001\u5343\u5e15\u3001\u5e15\u3001\u5df4\u3001\u6beb\u7c73\u6c5e\u67f1(mmHg)\u4ee5\u53ca\u6807\u51c6\u5927\u6c14\u538b\u3002
\uff082\uff09\u538b\u5f3a\u5355\u4f4d\u7684\u6362\u7b97
1 MPa\uff08\u5146\u5e15\uff09=1000 kPa\uff08\u5343\u5e15\uff09=1000000 Pa\uff08\u5e15\uff09
1bar\uff08\u5df4\uff09=0.1MPa\uff08\u5146\u5e15\uff09=100000Pa\uff08\u5e15\uff09
1 atm\uff08\u6807\u51c6\u5927\u6c14\u538b\uff09=101325Pa
1 atm\uff08\u6807\u51c6\u5927\u6c14\u538b\uff09=760mmHg
2\u3001\u538b\u5f3a\u6d4b\u91cf\u5de5\u5177
\u6d4b\u91cf\u538b\u5f3a\u7684\u4eea\u5668\uff0c\u6700\u5e38\u89c1\u7684\u6709\u6c34\u94f6\u6c14\u538b\u8868\u548c\u7a7a\u76d2\u6c14\u538b\u8868\u4e24\u79cd\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u538b\u5f3a\u5355\u4f4d
760mm汞柱 1.01×10^5帕
绛旓細涓鏍囧噯澶ф皵鍘嬩笅绛変簬76鍘樼背鐨勬按閾舵煴鍘嬪己
绛旓細涓鏍囧噯澶ф皵鍘嬬殑鏁板兼槸1.01脳10 5 Pa锛鐩稿綋浜760mm姘撮摱鏌变骇鐢熺殑鍘嬪己锛庝袱鑰呬箣闂村彲浠ラ氳繃娑蹭綋鍘嬪己鐨勫叕寮弍=蟻gh杩涜璁＄畻锛760mm=76cm锛庢晠绛旀涓猴細76锛
绛旓細1鏍囧噯澶ф皵鍘嬬瓑浜庯紙76锛塩m姘撮摱鏌遍珮鐨勫帇寮 鏈嬪弸锛岃銆愰噰绾崇瓟妗堛戯紝鎮ㄧ殑閲囩撼鏄垜绛旈鐨勫姩鍔涳紝璋㈣阿銆
绛旓細1鏍囧噯澶ф皵鍘=760姣背姹炴煴=76鍘樼背姹炴煴=1.013脳10^5甯曟柉鍗=10.336绫虫按鏌銆傛爣鍑嗗ぇ姘斿帇锛屽湪鏍囧噯澶ф皵鏉′欢涓嬫捣骞抽潰鐨勬皵鍘嬶紝鍏跺间负101.325kPa锛屾槸鍘嬪己鐨勫崟浣嶏紝璁颁綔atm銆 涔熷氨鏄0.101325MPa锛屽彲浠ヨ繎浼肩湅鍋0.1MPa銆 1鏍囧噯澶ф皵鍘=760mm姹炴煴=76cm姹炴煴=1.01325脳10^5Pa=10.339m姘存煴銆
绛旓細涓涓ぇ姘斿帇锛岀瓑浜760姣背姹炴煴銆鏍囧噯澶ф皵鍘=760姣背姹炴煴=76鍘樼背姹炴煴=1.013脳105甯曟柉鍗=100.336绫虫按鏌銆俻姘撮摱=蟻姘撮摱gh=13.595脳10^3鍗冨厠/m脳9.80672鐗/鍗冨厠脳0.76绫=1.01325脳10^5甯曘傚ぇ姘斿帇鐨勬爣鍑嗙幆澧冧负锛氬湪绾害45掳鐨勬捣骞抽潰涓婏紝褰撴俯搴︿负0鈩冩椂锛760姣背楂樻按閾舵煴浜х敓鐨勫帇寮哄彨鍋氭爣鍑嗗ぇ姘斿帇...
绛旓細涓涓爣鍑嗗ぇ姘斿帇绛変簬绾10.33绫虫按鏌辨垨绾76鍘樼背姘撮摱鏌便傝В閲婏細涓涓爣鍑嗗ぇ姘斿帇鏄寚鑳藉浠ｈ〃鐗瑰畾鐜鏉′欢涓嬬殑骞冲潎澶ф皵鍘嬪姏锛岄氬父琚畾涔変负鐩稿綋浜庡湴鐞冧笂鏌愪竴鐗瑰畾楂樺害鐨勫ぇ姘旀煴鎵浜х敓鐨勫帇鍔涖備负浜嗘洿鐩磋鍦扮悊瑙ｈ繖涓鍘嬪姏鍊硷紝鎴戜滑鍙互灏嗗叾涓庢恫浣撲骇鐢熺殑鍘嬪己浣滄瘮杈冦傝繖鏄敱浜庢恫浣撶殑鏌遍珮鍜屾墍鍙楃殑閲嶅姏鍐冲畾鐨勫帇寮哄叿鏈夎緝涓...
绛旓細1涓爣鍑嗗ぇ姘斿帇锛屽嵆1atm=101.325kPa銆傦紙1鏍囧噯澶ф皵鍘=760mm姹炴煴=76cm姹鏌=1.01325脳10^5Pa=10.339m姘存煴銆傦級
绛旓細1鏍囧噯澶ф皵鍘=760mm姹鏌憋紝1鏍囧噯澶ф皵鍘=10.339m姘存煴銆鏍囧噯澶ф皵鍘嬫槸鍦ㄦ爣鍑嗗ぇ姘旀潯浠朵笅娴峰钩闈㈢殑姘斿帇锛1644骞寸敱鐗╃悊瀛﹀鎵橀噷鎷嗗埄鎻愬嚭锛屽叾鍊间负101.325kPa锛屾槸鍘嬪己鐨勫崟浣嶏紝璁颁綔atm銆傚寲瀛︿腑鏇涓搴﹀皢鏍囧噯娓╁害鍜屽帇鍔涳紙STP锛夊畾涔変负0掳C锛273.15K锛夊強101.325kPa锛1atm锛夛紝浣1982骞磋捣IUPAC灏嗏滄爣鍑嗗帇鍔涒濋噸鏂...
绛旓細P=蟻gh h=P/蟻g=1.01*10^5/(1000*9.8)=10.3m 鐩稿綋浜10.3m姘存煴浜х敓鐨勫帇寮 涓嶆噦鍙互杩介棶婊℃剰璇烽噰绾宠阿璋紒
绛旓細1鏍囧噯澶ф皵鍘=760mm姹炴煴=76cm姹鏌=1.01325脳10^5Pa=10.336m姘存煴銆1鏍囧噯澶ф皵鍘嬶紳101325 N锛忋帯銆傦紙鍦ㄨ绠椾腑閫氬父涓 1鏍囧噯澶ф皵鍘=1.01脳10^5)涓涓爣鍑嗗ぇ姘斿帇鏈夊澶э紵鍏枻涓嶆槸鍗曚綅锛屼竴鑸垜浠氬父璇寸殑锛屼簨瀹炰笂鏄竴绉嶉潪鏍囧噯鍗曚綅锛屽悕绉板彨锛氬叕鏂ゅ姏/骞虫柟鍘樼背[Kgf/cm^2]1鏍囧噯澶ф皵鍘=0.1MPa[鍏嗗笗]=...
