压十毫米水柱要多少帕？ 1mm水柱等于多少兆帕
1mm\u6c34\u67f1\u7b49\u4e8e\u591a\u5c11\u5e15\uff0c1mm\u6c34\u67f1\u7b49\u4e8e\u591a\u5c11\u5e15\u77e5\u8bc61mm\u6c34\u67f1\u7b49\u4e8e9.8pa\u3002
\u89e3\uff1a\u56e0\u4e3a\u538b\u5f3aP=F/S=mg/S=\u03c1Sh*g/S=\u03c1gh\u3002\u4e14\u6c34\u7684\u5bc6\u5ea6\u03c1=1g/cm^3\uff0c\u91cd\u529b\u5e38\u6570g=9.8N/kg\uff0c
\u90a3\u4e481mm\u6c34\u67f1\u7684\u538b\u5f3a\u4e3a\uff0c
P=1g/cm^3x9.8N/kgx1mm
=1x10000kg/m^3x9.8N/kgx0.001m
=9.8Pa
\u53731mm\u6c34\u67f1\u7b49\u4e8e9.8pa\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
\u7531p=\u03c1gh,g=9.8m/s^2=9.8N/kg,\u53ef\u77e5,
1kPa=1000Pa=1000kg/m^3*g*h,
\u4ee3\u5165\u6570\u636e\u5f97h=0.102m,
\u56e0\u6b641\u5343\u5e15\u76f8\u5f53\u4e8e102\u6beb\u7c73\u6c34\u67f1.\u6240\u4ee5\u4e00\u6beb\u7c73\u6c34\u67f1=1/102\u5343\u5e15
1个大气压 约 0.1MPa=100000Pa
10mm水柱 就需要100Pa
10。3厘米约等于1kpa
绛旓細1鍏枻鍘嬪姏绛変簬10.336绫虫按鏌便1鍏枻鍔涘帇鍔涙槸鎸1鍏枻锛堝崈鍏嬶級鐨勭墿浣撳瀹冩敮鎾戠墿浣撶殑鍘嬪姏锛屼篃鍙互鐞嗚В鎴愪负閲嶅姏銆1鏍囧噯澶ф皵鍘=1鍏枻/骞虫柟鍘樼背=0.1MPa=100kPa=1bar=1bar1姣背姘存煴=9.80665Pa1鏍囧噯澶ф皵鍘=10.34绫抽珮姘存煴銆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1鏍囧噯澶...
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绛旓細涓鑸及绠楋細1绫姘存煴澶х害绛変簬0.01MPa銆1鍏嗗笗(MPa)绛変簬10宸(bar)銆9.8澶ф皵鍘(atm)锛屽ぇ绾︿负鍗佷釜澶ф皵鍘嬨1鏍囧噯澶ф皵鍘嬬瓑浜760mm姹炴煴锛屽嵆1.01325脳10^5Pa锛屽ぇ绾︿负10.336绫虫按鏌便傚洜姝わ紝1鍏嗗笗绛変簬9.8脳10.336绫虫按鏌憋紝绾︿负101.2928绫虫按鏌便傚弽杩囨潵锛1绫虫按鏌卞ぇ绾︾瓑浜0.0097MPa锛屾垨鑰呯害绛変簬0.01MPa銆
绛旓細鍥炵瓟锛1姣背姹炴煴=1torr=133Pa 1鍘樼背姘存煴=1mbar=100Pa 1姣背姹炴煴=1.33鍘樼背姘存煴 涓銆佹绫虫睘鏌 鍗虫绫虫按閾舵煴锛mmHg锛夛紝鏄寚鐩存帴鐢ㄦ按閾舵煴楂樺害鐨勬绫虫暟琛ㄧず鍘嬪己鍊肩殑鍗曚綅锛屾绫充笌姣反闂村彲浠ヨ繘琛屾崲绠椼備簩銆佸畾涔 姣背姹炴煴鏉ユ簮浜庢墭閲屾媶鍒╁疄楠屻傚叾鍘熺悊鏄互姹炴煴鎵浜х敓鐨勯潤鍘嬪姏鏉ュ钩琛″ぇ姘斿帇鍔汸锛屽洜鑰屾睘鏌辩殑...
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绛旓細锛歱姘撮摱=蟻姘撮摱gh =13.595脳10³鍗冨厠锛忕背3脳9.80672鐗涳紡鍗冨厠脳0.76绫 =1.01325脳10^5甯銆傛爣鍑嗗ぇ姘斿帇锛岃浣渁tm 1鏍囧噯澶ф皵鍘=1atm=760mm姹炴煴=76cm姹炴煴=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133pa:x = 101325:760 x=0.9975mmHg ...
绛旓細鎹㈢畻鐨勬柟娉曪細1mmHg(姣背姹炴煴)锛0锛133kPa(鍗冨笗鏂崱)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=10.336绫虫按鏌便 749.6姣背姹炴煴 = 99.6968鍗冨笗鏂崱 鏍囧噯澶ф皵鍘嬪肩殑瑙勫畾锛屾槸闅忕潃绉戝鎶鏈殑鍙戝睍锛岀粡杩囧嚑娆″彉鍖栫殑銆傛渶鍒濊瀹氬湪鎽勬皬娓╁害0鈩冦佺含搴45掳銆佹櫞澶╂椂娴峰钩闈笂鐨勫ぇ姘斿帇寮轰负鏍囧噯澶...
绛旓細鏍囧噯澶ф皵鍘=760姣背姹炴煴=76鍘樼背姹炴煴=1.013脳105甯曟柉鍗=10.336绫姘存煴銆傛爣鍑嗗ぇ姘斿帇鍊煎強鍏跺彉杩 鈥斺斿紶璁℃ 鏍囧噯澶ф皵鍘嬪肩殑瑙勫畾锛屾槸闅忕潃绉戝鎶鏈殑鍙戝睍锛岀粡杩囧嚑娆″彉鍖栫殑銆傛渶鍒濊瀹氬湪鎽勬皬娓╁害0鈩冦佺含搴45掳銆佹櫞澶╂椂娴峰钩闈笂鐨勫ぇ姘斿帇寮轰负鏍囧噯澶ф皵鍘嬶紝鍏跺煎ぇ绾︾浉褰撲簬76鍘樼背姹炴煴楂樸傚悗鏉ュ彂鐜帮紝鍦ㄨ繖涓潯浠朵笅...
