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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�锛岃�屾槸鐢辨车鍒堕�犲粻瀹跺(sh铆)椹�(y脿n)娓�(c猫)瀹氱殑鍊硷紝姝ゅ�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�(sh铆)鐨勫��锛岀暥(d膩ng)鎿嶄綔姊濅欢鍙婂伐浣滀粙璩�(zh矛)涓嶅悓鏅�(sh铆)锛岄渶閫�(j矛n)琛屾彌绠�銆�
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�(sh铆)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�(du矛)浜庢补娉�锛岃▓(j矛)绠楀畨瑁濋珮搴︽檪(sh铆)鐢ㄦ苯铦曚綑閲�Δh渚�(l谩i)瑷�(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�锛屽柈浣嶇敤绫�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(c猫)瀹�銆傝嫢杓搁�佸叾瀹冩恫楂�锛屼害闇�閫�(j矛n)琛屾牎姝ｏ紝瑭虫煡鏈夐棞(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绫筹紝姹傚惛绋�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��銆傜暥(d膩ng)瑷�(j矛)绠椾箣Hg鐐鸿矤(f霉)鍊兼檪(sh铆)锛岃(shu艒)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�銆�
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�(d貌ng)澹撻牠鍙拷鐣�銆傝│瑷�(j矛)绠楋細
1 杓搁��20鈩冩竻姘存檪(sh铆)闆㈠績娉电殑瀹夎;
2 鏀圭偤杓搁��80鈩冩按鏅�(sh铆)闆㈠績娉电殑瀹夎楂樺害銆�
瑙ｏ細1 杓搁��20鈩冩竻姘存檪(sh铆)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(sh铆)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�(sh铆)娉电殑瀹夎楂樺害
杓搁��80鈩冩按鏅�(sh铆)锛屼笉鑳界洿鎺ラ噰鐢ㄦ车妯ｆ湰涓殑Hs鍊艰▓(j矛)绠楀畨瑁濋珮搴�锛岄渶鎸変笅寮忓皪(du矛)Hs鏅�(sh铆)琛屾彌绠�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
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