涓�銆侀洟蹇冩车鐨勫畨瑁濋珮搴g
銆�銆�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�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卞埗閫犲粻瀹跺(sh铆)椹�(y脿n)娓畾鐨勫��锛屾鍊奸檮浜庢车妯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�
銆�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�
銆�銆�Hs1=Hs+(Ha-10.33)-(Hυ-0.24)
銆�銆�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
銆�銆�姹借潟浣欓噺Δh
銆�銆�灏�(du矛)浜庢补娉碉紝瑷�(j矛)绠楀畨瑁濋珮搴︽檪(sh铆)鐢ㄦ苯铦曚綑閲�Δh渚嗚▓(j矛)绠�锛屽嵆鐢ㄦ苯铦曚綑閲�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�銆傝嫢杓搁�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�
銆�銆�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�傚張锛岀暥(d膩ng)瑷�(j矛)绠椾箣Hg鐐鸿矤(f霉)鍊兼檪(sh铆)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��
銆�銆�渚嬫煇闆㈠績娉靛緸妯ｆ湰涓婃煡寰楀厑瑷卞惛涓婄湡绌洪珮搴s=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
銆�銆�1.杓搁��20鈩冩竻姘存檪(sh铆)娉电殑瀹夎;
銆�銆�2.杓搁��80鈩冩按鏅�(sh铆)娉电殑瀹夎楂樺害
銆�銆�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)琛屾彌绠楋紝鍗矵s1=Hs+(Ha-10.33)-(Hυ-0.24)
銆�銆�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�
銆�銆�Hv=47.4×103Pa=4.83mH2O
銆�銆�Hs1=5.7+10-10.33-4.83+0.24=0.78m
銆�銆�3.鏀圭偤杓搁��80鈩冩按鏅�(sh铆)娉电殑瀹夎楂樺害銆�
銆�銆�瑙ｏ細(1)杓搁��20鈩冩竻姘存檪(sh铆)娉电殑瀹夎楂樺害
銆�銆�宸茬煡锛欻s=5.7m
銆�銆�Hf0-1=1.5m
銆�銆�u12/2g≈0
銆�銆�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=4.2m銆�
銆�銆�浜�銆侀洟蹇冩车鐨勬苯铦曠従(xi脿n)璞�
銆�銆�闆㈠績娉电殑姹借潟鐝�(xi脿n)璞℃槸鎸囪杓搁�佹恫楂旂敱浜庡湪杓搁�佹韩搴︿笅椋藉拰钂告苯澹撶瓑浜庢垨浣庝簬娉靛叆鍙ｈ檿(瀵�(sh铆)闅涚偤钁夌墖鍏ュ彛铏曠殑)鐨勫鍔涜�岄儴鍒嗘苯鍖栵紝寮曡捣娉电敘(ch菐n)鐢熷櫔闊冲拰闇囧嫊(d貌ng)锛屽毚(y谩n)閲嶆檪(sh铆)锛屾车鐨勬祦閲�銆佸闋強鏁堢巼鐨勯’钁椾笅闄嶏紝椤劧锛屾苯铦曠従(xi脿n)璞℃槸闆㈠績娉垫甯告搷浣滄墍涓嶅厑瑷辩櫦(f膩)鐢熺殑銆�
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