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鎳�(y墨ng)鐣�(d膩ng)鎸囧嚭锛岀閬撻洟蹇冩车瀹夎鍦伴粸(di菐n)鐨勯珮绋嬪拰姘存韩涓嶅悓浜庤│椹�(y脿n)姊濅欢鏅傦紝濡傜暥(d膩ng)?sh霉)鐫撅紣?00绫充互涓婃垨琚娊姘寸殑姘存韩瓒呴亷20鏀濇皬搴�锛屽墖瑷�(j矛)绠楀�艰閫�(j矛n)琛屼慨姝ｃ�傚嵆涓嶅悓娴锋嫈楂樼▼铏曠殑澶ф埃澹撳姏鍜岄珮浜�20鏀濇皬搴︽按婧檪鐨勯＝鍜岃捀姹藉鍔�銆備絾鏄�锛屾按婧偤20鏀濇皬搴︿互涓嬫檪锛岄＝鍜岃捀姹藉鍔涘彲蹇界暐涓嶈▓(j矛)銆�
寰炵閬撳畨瑁濇妧琛�(sh霉)涓�锛屽惛姘寸閬撹姹傛湁鍤�(y谩n)鏍肩殑瀵嗗皝鎬�锛屼笉鑳芥紡姘ｃ�佹紡姘�锛屽惁鍓囧皣鏈冪牬澹為洟蹇冩车閫�(j矛n)姘村彛铏曠殑鐪熺┖搴�锛屼娇闆㈠績娉靛嚭姘撮噺娓涘皯锛屽毚(y谩n)閲嶆檪鐢氳嚦鎶戒笉涓婃按渚�銆傚洜姝�锛岃瑾�(r猫n)鐪熷湴鍋氬ソ绠￠亾鐨勬帴鍙ｅ伐浣滐紝淇濊瓑绠￠亾閫ｆ帴鐨勬柦宸ヨ唱(zh矛)閲�銆�
绠￠亾闆㈠績娉电殑瀹夎闂�(gu膩n)閸垫妧琛�(sh霉) 闆㈠績娉靛畨瑁濋珮搴﹀嵆鍚哥▼閬哥敤
浜�銆侀洟蹇冩车鐨勫畨瑁濋珮搴g瑷�(j矛)绠�
鍏佽ū鍚镐笂鐪熺┖楂樺害Hs鏄寚娉靛叆鍙ｈ檿澹撳姏p1鍙厑瑷遍仈(d谩)鍒扮殑鏈�澶х湡绌哄害銆�
鑰屽(sh铆)闅涚殑鍏佽ū鍚镐笂鐪熺┖楂樺害Hs鍊煎苟涓嶆槸鏍规摎(j霉)寮忚▓(j矛)绠楃殑鍊硷紝鑰屾槸鐢辨车鍒堕�犲粻瀹跺(sh铆)椹�(y脿n)娓畾鐨勫�硷紝姝ゅ�奸檮浜庢车妯ｆ湰涓緵鐢ㄦ埗鏌ョ敤銆備綅鎳�(y墨ng)娉ㄦ剰鐨勬槸娉垫ǎ鏈腑绲﹀嚭鐨凥s鍊兼槸鐢ㄦ竻姘寸偤宸ヤ綔浠嬭唱(zh矛)锛屾搷浣滄浠剁偤20鈩冨強鍙婂鍔涚偤1.013×105Pa鏅傜殑鍊硷紝鐣�(d膩ng)鎿嶄綔姊濅欢鍙婂伐浣滀粙璩�(zh矛)涓嶅悓鏅�锛岄渶閫�(j矛n)琛屾彌绠椼��
1 杓搁�佹竻姘�锛屼絾鎿嶄綔姊濅欢鑸囧(sh铆)椹�(y脿n)姊濅欢涓嶅悓锛屽彲渚濅笅寮忔彌绠�
Hs1=Hs+Ha-10.33 - Hυ-0.24
2 杓搁�佸叾瀹冩恫楂旂暥(d膩ng)琚几閫佹恫楂斿強鍙嶆淳浜虹墿姊濅欢鍧囪垏瀵�(sh铆)椹�(y脿n)姊濅欢涓嶅悓鏅�锛岄渶閫�(j矛n)琛屽叐姝ユ彌绠楋細绗竴姝ヤ緷涓婂紡灏囩敱娉垫ǎ鏈腑鏌ュ嚭鐨凥s1;绗簩姝ヤ緷涓嬪紡灏嘓s1鎻涚畻鎴怘?s
2 姹借潟浣欓噺Δh
灏嶄簬娌规车锛岃▓(j矛)绠楀畨瑁濋珮搴︽檪鐢ㄦ苯铦曚綑閲�Δh渚嗚▓(j矛)绠�锛屽嵆娉靛厑瑷卞惛娑查珨鐨勭湡绌哄害锛屼害鍗虫车鍏佽ū鐨勫畨瑁濋珮搴︼紝鍠綅鐢ㄧ背銆傜敤姹借潟浣欓噺Δh鐢辨补娉垫ǎ鏈腑鏌ュ彇锛屽叾鍊间篃鐢�20鈩冩竻姘存脯瀹氥�傝嫢杓搁�佸叾瀹冩恫楂旓紝浜﹂渶閫�(j矛n)琛屾牎姝�锛岃┏鏌ユ湁闂�(gu膩n)鏇哥睄銆�
鍚哥▼=妯�(bi膩o)婧�(zh菙n)澶ф埃澹�(10.33绫�)-姹借潟浣欓噺-瀹夊叏閲�(0.5绫�)
妯�(bi膩o)婧�(zh菙n)澶ф埃澹撹兘澹撶璺湡绌洪珮搴�10.33绫�銆�
渚嬪锛氭煇娉靛繀闇�姹借潟浣欓噺鐐�4.0绫�锛屾眰鍚哥▼Δh?
瑙ｏ細Δh=10.33-4.0-0.5=5.83绫�
寰炲畨鍏ㄨ搴﹁�冩叜锛屾车鐨勫(sh铆)闅涘畨瑁濋珮搴﹀�兼噳(y墨ng)灏忎簬瑷�(j矛)绠楀�笺�傜暥(d膩ng)瑷�(j矛)绠椾箣Hg鐐鸿矤(f霉)鍊兼檪锛岃鏄庢车鐨勫惛鍏ュ彛浣嶇疆鎳�(y墨ng)鍦ㄨ帛妲芥恫闈箣涓嬨��
渚�2-3 鏌愰洟蹇冩车寰炴ǎ鏈笂鏌ュ緱鍏佽ū鍚镐笂鐪熺┖楂樺害Hs=5.7m銆傚凡鐭ュ惛鍏ョ璺殑鍏ㄩ儴闃诲姏鐐�1.5mH2O锛岀暥(d膩ng)?sh霉)鍗閳敖?.81×104Pa锛屾恫楂斿湪鍚稿叆绠¤矾涓殑鍕曞闋彲蹇界暐銆傝│瑷�(j矛)绠楋細
1 杓搁��20鈩冩竻姘存檪闆㈠績娉电殑瀹夎;
2 鏀圭偤杓搁��80鈩冩按鏅傞洟蹇冩车鐨勫畨瑁濋珮搴�銆�
瑙ｏ細1 杓搁��20鈩冩竻姘存檪娉电殑瀹夎楂樺害
宸茬煡锛欻s=5.7m
Hf0-1=1.5m
u12/2g≈0
鐣�(d膩ng)?sh霉)鍗閳敖?.81×104Pa锛岃垏娉靛嚭寤犳檪鐨勫(sh铆)椹�(y脿n)姊濅欢鍩烘湰鐩哥锛屾墍浠ユ车鐨勫畨瑁濋珮搴︾偤Hg=5.7-0-1.5=4.2 m銆�
2 杓搁��80鈩冩按鏅傛车鐨勫畨瑁濋珮搴�
杓搁��80鈩冩按鏅傦紝涓嶈兘鐩存帴閲囩敤娉垫ǎ鏈腑鐨凥s鍊艰▓(j矛)绠楀畨瑁濋珮搴︼紝闇�鎸変笅寮忓皪Hs鏅傝鎻涚畻锛屽嵆
Hs1=Hs+Ha-10.33 - Hυ-0.24
宸茬煡Ha=9.81×104Pa≈10mH2O锛岀敱闄勯寗鏌ュ緱80鈩冩按鐨勯＝鍜岃捀姹藉鐐�47.4kPa銆�
Hv=47.4×103 Pa=4.83 mH2O
Hs1=5.7+10-10.33-4.83+0.24=0.78m
灏嘓s1鍊间唬鍏� 寮忎腑姹傚緱瀹夎楂樺害
Hg=Hs1-Hf0-1=0.78-1.5=-0.72m
Hg鐐鸿矤(f霉)鍊�锛岃〃绀烘车鎳�(y墨ng)瀹夎鍦ㄦ按姹犳恫闈互涓�锛岃嚦灏戞瘮娑查潰浣�0.72m
鍠礆闆欏惛闆㈠績娉�
鍠礆闆欏惛闆㈠績娉电偤鏂板瀷楂樻晥绡�(ji茅)鑳芥按娉�锛屽悓绛夌敤鑳芥浠朵笅锛屽叾閬�(y霉n)琛屾晥鐜囧彲楂樺嚭鍘熸按娉佃繎20%
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