闆㈠績娉�鐨勬按鍔涘(xu茅)鍩烘湰鏂圭▼寮�
闆㈠績娉靛伐浣滄檪(sh铆)锛屾恫楂斾竴鏂归潰闅ㄨ憲钁夎吉涓�璧锋棆杞�(zhu菐n)锛屽悓鏅�(sh铆)鍙堝緸杞�(zhu菐n)鍕�(d貌ng)钁楃殑钁夎吉閲屽悜澶栨祦銆�闆㈠績娉�钁夎吉涓粛浠绘剰涓�榛�(di菐n)锝夌殑娑查珨绲曞皪(du矛)閫熷害c锝夌瓑浜庡湏鍛ㄩ�熷害Ui鍜岀浉灏�(du矛)锛凤綁鐨勫悜閲忓拰鍗筹細
ci=Ui+W锝�
鍏紡涓� ci---i榛�(di菐n)娑叉祦鐨勭禃灏�(du矛)閫熷害锛宮/s锛�
Ui---i榛�(di菐n)铏曟恫娴侀毃钁夎吉鏃嬭綁(zhu菐n)鐨勯�熷害锛屽嵆鍦撳懆閫熷害锛宮/s锛�
W锝�--i榛�(di菐n)娑叉祦鐨勭浉灏�(du矛)浜庢棆杞�(zhu菐n)钁夎吉鐨勯�熷害m/s锛�
β锝�-----锛凤綁鑸嘦i鍙嶆柟鍚戠殑澶捐锛岀ū鐩稿皪(du矛)娑叉祦瑙�
瑭蹭笁鍊�(g猫)閫熷害妲�(g貌u)鎴愪竴鍊�(g猫)灏侀枆鐨勪笁瑙掑瀷锛岀ū鐐洪�熷害涓夎褰���
閫熷害涓夎褰㈠弽鏄犱簡娑查珨鍦ㄨ憠杓収(n猫i)娴佸嫊(d貌ng)鐙�鎱�(t脿i)銆�
姝愭媺鏂圭▼---------闆㈠績娉垫按鍔涘(xu茅)鍩烘湰鏂圭▼寮�
娑查珨閫�(j矛n)鍏ヨ憠杓彈鍒拌憠鐗囨帹鍕�(d貌ng)鑰屽鍔犺兘閲忥紝寤虹珛钁夎吉灏�(du矛)娑查珨鍋氬姛鑸囨恫楂旈亱(y霉n)鍕�(d貌ng)鐙�鎱�(t脿i)涔嬮枔闂�(gu膩n)绯荤殑鑳介噺鏂圭▼锛屽嵆闆㈠績娉�鐨勫熀鏈柟绋嬪紡----姝愭媺鏂圭▼寮忋�傚畠鍙互鏈夊嫊(d貌ng)閲忕偓瀹氱悊灏�(d菐o)鍑恒��
寮忎腑Ht----闆㈠績娉�鐨勭悊璜栨彋(y谩ng)绋嬶紝m
C2u---钁夎吉鍑哄彛铏曟恫娴佺禃灏�(du矛)閫熷害鍦ㄥ湏鍛ㄦ柟鍚戠殑鍒嗛�熷害锛宮/s
C1u---钁夎吉閫�(j矛n)鍙ｈ檿娑叉祦绲曞皪(du矛)閫熷害鍦ㄥ湏鍛ㄦ柟鍚戠殑鍒嗛�熷害锛宮/s
U2----钁夎吉鍑哄彛铏曠殑鍦撳懆閫熷害锛坲2=R2w),m/s
U1----钁夎吉閫�(j矛n)鍙ｈ檿鐨勫湏鍛ㄩ�熷害锛坲1=R1w),m/s
鐣�(d膩ng)娑叉祦鐒�(w煤)闋�(y霉)鏃嬮��(j矛n)钁夎吉鏅�(sh铆)锛宑1u=0;姝愭媺鏂圭▼涔熷彲绨�(ji菐n)瀵�(xi臎)鎴愶細
Ht=1/g(c2uU2)
寰炴瓙鎷夋柟绋嬪彲浠ョ湅鍑猴紝闆㈠績娉电殑鐞嗚珫鎻�(y谩ng)绋婬t姹哄畾浜庢车鐨勮憠杓殑骞句綍灏哄銆佸伐浣滆綁(zhu菐n)鏁�(sh霉)锛�
鑰岃垏杓搁�佷粙璩�(zh矛)鐨勭壒鎬ц垏瀵嗗害鐒�(w煤)闂�(gu膩n)銆傚洜姝ゅ悓涓�鑷�(t谩i)闆㈠績娉�鍦ㄥ悓妯ｈ綁(zhu菐n)閫熷拰娴侀噺涓嬪伐浣滐紝鐒�(w煤)璜栬几閫佷綍绋恫楂旓紙濡傛按鍜屾按閵�锛夛紝钁夎吉绲﹀嚭鐨勭悊璜栨彋(y谩ng)绋嬫槸鐩稿悓鐨勩��
鍒╃敤浣欏鸡瀹氱悊涔熷彲灏囨瓙鎷夋柟绋嬪皫(d菐o)鍑轰互涓嬪舰寮忥細
Ht=(u2²-u1²)/2g+(w1²-w2²)/2g+(c2²-c1²)/2g
寮忎腑(u2²-u1²)/2g---钁夎吉涓洟蹇冨姏灏�(du矛)鍠綅璩�(zh矛)閲忔恫楂斿仛鍔�
(w1²-w2²)/2g---鍠綅璩�(zh矛)閲忔祦楂旂稉(j墨ng)钁夎吉鏅�(sh铆)鐩稿皪(du矛)閫熷害闄嶄綆鑰岀嵅寰楀姛锛�
(c2²-c1²)/2g---鍠綅璩�(zh矛)閲忔祦楂旀祦缍�(j墨ng)钁夎吉鍓嶅悗鍔熻兘鐨勫閲忋��
鏈夐檺钁夌墖鏁�(sh霉)鍜岀劇(w煤)闄愯憠鐗囨暩(sh霉)鐞嗚珫鎻�(y谩ng)绋嬬殑宸垾
闆㈠績娉�钁夎吉鐨勮憠鐗囨暩(sh霉)涓�鑸偤5-8鐗囷紝鐞嗚珫鐮旂┒鏅�(sh铆)寮曞叆浜嗙劇(w煤)闄愯憠鐗囨暩(sh霉)鐨勫亣瀹氥��
鐒�(w煤)闄愯憠鐗囨暩(sh霉)涓嬶紝娑查珨鍙楀埌钁夌墖鐨勭磩鏉燂紝娑查珨鐩稿皪(du矛)閬�(y霉n)鍕�(d貌ng)鐨勬祦绶氬拰钁夌墖褰㈢媭瀹屽叏涓�鑷淬�傛湁闄愯憠鐗囨暩(sh霉)涓嬶紝鐢变簬娑叉祦鐨勬叄鎬у瓨鍦ㄨ桓鍚戞缉娓﹂亱(y霉n)鍕�(d貌ng)锛屽洜姝ゆ恫楂旂浉灏�(du矛)閬�(y霉n)鍕�(d貌ng)鐨勬祦绶氬拰钁夌墖褰㈢媭骞朵笉涓�鑷淬��
鏈夐檺钁夌墖鏁�(sh霉)鍜岀劇(w煤)闄愯憠鐗囨暩(sh霉)钁夎吉鐢�(ch菐n)鐢熺殑鐞嗚珫鎻�(y谩ng)绋嬬殑宸垾绋辩偤钁夎吉涓殑娴佸嫊(d貌ng)婊戠Щ銆傛粦绉诲苟涓嶆剰鍛宠憲鑳介噺鎼嶅け锛岃�屽彧瑾�(shu艒)鏄庡悓涓�宸ユ硜涓嬪(sh铆)闅涜憠杓敱浜庤憠鐗囨暩(sh霉)鏈夐檺锛岃�屼笉鑳藉儚鐒�(w煤)闄愯憠鐗囦竴妯ｆ帶鍒舵恫楂旂殑娴佸嫊(d貌ng)锛屼篃灏辨槸娑查珨鐨勬叄鎬у奖闊夸簡閫熷害鐨勮畩鍖栥�� |
