1cm水柱等于多少KPa?1cmh2o= kpa?
P=pghp=1.0*10^3
g=10
P=10^3*0.01*10=100pa=0.1kpa
绛旓細1銆kPa.1鏍囧噯澶ф皵鍘=760mm姹炴煴=76cm姹炴煴=1.01325脳10^5Pa=10.336m姘存煴.1鏍囧噯澶ф皵鍘=101325N/銕.锛堝湪璁＄畻涓氬父涓1鏍囧噯澶ф皵鍘=1.01脳10^5銆2銆1涓爣鍑嗗ぇ姘斿帇澶х害涓101.325kPa銆3銆佷竴涓爣鍑嗗ぇ姘斿帇鏄杩欐牱瑙勫畾鐨:鎶婃俯搴︿负0鈩冦佺含搴45搴︽捣骞抽潰涓婄殑姘斿帇绉颁负1涓ぇ姘斿帇,姘撮摱姘斿帇琛ㄤ笂鐨勬暟鍊间负...
绛旓細杩鏄閫氳繃浠ヤ笅璁＄畻寰楀嚭鐨勶細棣栧厛锛屾垜浠煡閬1涓爣鍑嗗ぇ姘斿帇绛変簬1.013脳10^5甯曟柉鍗★紙Pa锛夈傜劧鍚庯紝浣跨敤鍏紡P=蟻gh鏉ヨ绠楀帇寮猴紝鍏朵腑蟻鏄恫浣撶殑瀵嗗害锛堟按涓1000鍗冨厠/绔嬫柟绫筹級锛実鏄噸鍔涘姞閫熷害锛9.8鐗涢】/鍗冨厠锛夛紝h鏄恫浣撶殑楂樺害锛1绫筹級銆傛墍浠ワ紝1绫虫按娣辩殑鍘嬪己涓1000脳9.8脳1=9800甯曟柉鍗°傚皢杩欎釜鍊奸櫎浠1涓爣鍑...
绛旓細1鏍囧噯澶ф皵鍘=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=101325 N/銕°傦紙鍦ㄨ绠椾腑閫氬父涓 1鏍囧噯澶ф皵鍘=1.01脳10^5 N/銕)銆100kPa=0.1MPa 鏍囧噯澶ф皵鍘嬶紝鍦ㄦ爣鍑嗗ぇ姘旀潯浠朵笅娴峰钩闈㈢殑姘斿帇锛屽叾鍊间负101.325kPa锛鏄鍘嬪己鐨勫崟浣嶏紝璁颁綔atm銆傚寲瀛︿腑鏇句竴搴﹀皢鏍囧噯娓╁害鍜屽帇鍔涳紙STP...
绛旓細鍘嬪姏鍗曚綅 Pa 銆Kpa銆 MPa 姣忎釜閮鏄1000杩涘埗 涓绫姘存煴10KPa 1鍏枻鍘嬪姏=760mm姹炴煴=10m姘存煴 鏍规嵁涓嶅悓锛屽彲浠ヨ嚜宸辨帹绠楀嚭鏉ワ紝鍘嬪姏鍙橀佸櫒鍨嬪彿 SDMB-2HZ 瑗垮畨瀹炶揪鍚屽垱 鎵 鐜嬪伐
绛旓細鍦ㄥ浗闄呭崟浣嶅埗涓,鍘嬪己鐨勫崟浣嶆槸甯曟柉鍗1],绠绉板笗(杩欐槸涓轰簡绾康娉曞浗绉戝瀹跺笗鏂崱Blaise pascal鑰屽懡鍚嶇殑),鍗崇墰椤/骞虫柟绫炽傚帇寮虹殑甯哥敤鍗曚綅鏈鍗冨笗銆佸崈鍏嬪姏/骞虫柟鍘樼背銆佹墭銆備竴鑸互鑻辨枃瀛楁瘝銆宲銆嶈〃绀恒 鏍囧噯澶ф皵鍘嬩负1.013x10鐨5娆℃柟,鐩稿綋浜澶х害76cm姘撮摱鏌,灏辨槸澶ф皵鍘嬬殑澶у皬銆 (3)鍏紡:p=F/S p鈥斿帇寮衡斿笗鏂崱(绠绉...
绛旓細鏍囧噯澶ф皵鍘嬶紝鍦ㄦ爣鍑嗗ぇ姘旀潯浠朵笅娴峰钩闈㈢殑姘斿帇锛屽叾鍊间负101.325kPa锛鏄鍘嬪己鐨勫崟浣嶏紝璁颁綔atm銆傚寲瀛︿腑鏇句竴搴﹀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板畾涔変负100 kPa銆1鏍囧噯澶ф皵鍘=760mm姹炴煴=76cm姹炴煴=1.01325脳10^5Pa=10.336m姘存煴銆
绛旓細80672鐗涳紡鍗冨厠銆備簬鏄彲寰760姣背楂樻按閾舵煴浜х敓鐨勫帇寮轰负 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105甯曘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
绛旓細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板畾涔変负100 kPa銆傜害绛変簬1.05*10^5pa 1鏍囧噯澶ф皵鍘=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锛忋帯銆傦紙鍦ㄨ绠椾腑閫氬父涓 1鏍囧噯澶ф皵鍘=1.01脳10^5)...
绛旓細鍥犳:1MPa=10鍏枻鍔=10銕/c銕 1MPa=10鏍囧噯澶ф皵鍘 0.1MPa=1鏍囧噯澶ф皵鍘 锛2锛夋垨鑰呮寜宸ョ▼涓渶甯哥敤鐨勬崲绠鏄1涓ぇ姘斿帇=10m姘存煴=1鍏枻鍔=0.1MPa 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︿腑鏇句竴搴﹀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...
绛旓細1鏍囧噯澶ф皵鍘=760mm姹炴煴锛1鏍囧噯澶ф皵鍘=10.339m姘存煴銆傛爣鍑嗗ぇ姘斿帇鏄湪鏍囧噯澶ф皵鏉′欢涓嬫捣骞抽潰鐨勬皵鍘嬶紝1644骞寸敱鐗╃悊瀛﹀鎵橀噷鎷嗗埄鎻愬嚭锛屽叾鍊间负101.325kPa锛鏄鍘嬪己鐨勫崟浣嶏紝璁颁綔atm銆傚寲瀛︿腑鏇句竴搴﹀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...
