涓�銆侀洟蹇冩车鐨勯棞(gu膩n)閸靛畨瑁濇妧琛�(sh霉)
绠￠亾闆㈠績娉�鐨勫畨瑁濇妧琛�(sh霉)闂�(gu膩n)閸靛湪浜庣⒑瀹氭按娉靛畨瑁濋珮搴�(鍗冲惛绋�)銆傞�欏��(g猫)楂樺害鏄寚姘存簮姘撮潰鍒版按娉佃憠杓腑蹇冪窔鐨勫瀭鐩磋窛闆�锛屽畠鑸囧厑瑷卞惛涓婄湡绌洪珮搴︿笉鑳芥贩鐐轰竴璜�锛屾按娉电敘(ch菐n)鍝佽鏄庢浉鎴栭姌鐗屼笂妯�(bi膩o)绀虹殑鍏佽ū鍚镐笂鐪熺┖楂樺害鏄寚姘存车閫�(j矛n)姘村彛鏂烽潰涓婄殑鐪熺┖鍊�锛岃�屼笖鏄湪1妯�(bi膩o)婧�(zh菙n)澶ф埃澹撲笅銆佹按婧�20鏀濇皬搴︽儏娉佷笅锛岄��(j矛n)琛岃│椹�(y脿n)鑰屾脯瀹氬緱鐨�銆傚畠骞舵矑鏈夎�冩叜鍚告按绠￠亾閰嶅浠ュ悗鐨勬按娴佺媭娉�銆傝�屾按娉靛畨瑁濋珮搴︽噳(y墨ng)瑭叉槸鍏佽ū鍚镐笂鐪熺┖楂樺害鎵ｉ櫎浜嗗惛姘寸閬撴悕澶辨彋(y谩ng)绋嬩互鍚�锛屾墍鍓╀笅鐨勯偅閮ㄥ垎?j菒n)?sh霉)鍊�锛屽畠瑕佸厠鏈嶅(sh铆)闅涘湴褰㈠惛姘撮珮搴�銆傛按娉靛畨瑁濋珮搴︿笉鑳借秴閬庤▓(j矛)绠楀��锛屽惁鍓囷紝姘存车灏囨渻鎶戒笉涓婃按渚�銆傚彟澶�锛屽奖闊胯▓(j矛)绠楀�肩殑澶у皬鏄惛姘寸閬撶殑闃诲姏鎼嶅け鎻�(y谩ng)绋嬶紝鍥犳锛屽疁閲囩敤鏈�鐭殑绠¤矾甯冪疆锛屽苟鐩￠噺灏戣褰庨牠绛夐厤浠�锛屼篃鍙�冩叜閬╃暥(d膩ng)閰嶅ぇ涓�浜涘彛寰戠殑姘寸锛屼互娓涚鍏�(n猫i)娴侀�熴��
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�(sh铆)锛屽鐣�(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(sh铆)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(sh铆)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э紝涓嶈兘婕忔埃銆佹紡姘达紝鍚﹀墖灏囨渻鐮村姘存车閫�(j矛n)姘村彛铏曠殑鐪熺┖搴�锛屼娇姘存车鍑烘按閲忔笡灏�锛屽毚(y谩n)閲嶆檪(sh铆)鐢氳嚦鎶戒笉涓婃按渚嗐�傚洜姝�锛岃瑾�(r猫n)鐪熷湴鍋氬ソ绠￠亾鐨勬帴鍙ｅ伐浣�锛屼繚璀夌閬撻�ｆ帴鐨勬柦宸ヨ唱(zh矛)閲忋��
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��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�
澶氱礆闆㈠績娉佃�愯厫铦曢洟蹇冩车绠￠亾闆㈠績娉靛柈绱氶洟蹇冩车澶氱礆娉电珛寮忛洟蹇冩车鑷ュ紡闆㈠績娉佃嚜鍚搁洟蹇冩车鍖栧伐闆㈠績娉�
(1)杓搁�佹竻姘达紝浣嗘搷浣滄浠惰垏瀵�(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
灏嶄簬鑷惛寮忛洟蹇冩补娉�锛岃▓(j矛)绠楀畨瑁濋珮搴︽檪(sh铆)鐢ㄦ苯铦曚綑閲�Δh渚嗚▓(j矛)绠楋紝鍗虫车鍏佽ū鍚告恫楂旂殑鐪熺┖搴�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鈩冩竻姘存脯瀹氥�傝嫢杓搁�佸叾瀹冩恫楂�锛屼害闇�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�)
绠￠亾闆㈠績娉靛畨瑁濋珮搴﹁垏鍚哥▼鐨勯伕鐢�
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��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¤矾涓殑鍕曞闋彲蹇界暐銆傝│瑷�(j矛)绠楋細
(1)杓搁��20鈩冩竻姘存檪(sh铆)娉电殑瀹夎;
(2)鏀圭偤杓搁��80鈩冩按鏅�(sh铆)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=4.2m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=47.4×103Pa=4.83mH2O
Hs1=5.7+10-10.33-4.83+0.24=0.78m
灏嘓s1鍊间唬鍏ュ紡涓眰寰楀畨瑁濋珮搴�
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銆�
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