绶ㄨ集鎺ㄨ枽锛�2021骞磋閰嶅紡寤虹瓚甯繏(x铆)椤�

婧Θ鎻愮ず锛氫腑鍦嬪缓瑷�(sh猫)鏁欒偛鍗�(xi茅)鏈冨皣鍦�6鏈�19鏃�閫�(j矛n)琛岃閰嶅紡鑰冭│锛岄粸鎿� 鍏嶈不闋�(y霉)绱勭煭淇℃彁閱�锛屽強鏅傜嵅鍙栬閰嶅紡鑰冭│绡€(ji茅)榛炰俊鎭�銆�

纰惧娣峰嚌鍦�(RCC)澹╃殑鏂藉伐鐗归粸鏄€氬€�銆佽杽灞ら€ｇ簩(x霉)閶瓚骞剁⒕澹撱€傜⒕澹撴贩鍑濆湡澹╂柦宸ラ€熷害蹇湪涓栫晫鑼冨湇鍏�(n猫i)寰楀埌寤ｆ硾瑾�(r猫n)鍙�锛屼絾灏嶇⒕澹撴贩鍑濆湡闃叉徊鎬ц兘鍙堝瓨鍦ㄧ枒铏�锛岄€欑ó鐤戞叜渚嗚嚜纰惧娣峰嚌鍦熺殑鏂藉伐鏂规硶鍙婄瓚澹╂潗鏂欑殑鐗规畩鎬с€傜敱浜庡垎灞ょ⒕澹撴柦宸�锛屽堡闈㈠嚭鐝�(xi脿n)钖勫急鐠�(hu谩n)绡€(ji茅)鐨勬鐜囪姣斿父瑕�(gu墨)娣峰嚌鍦熷ぇ锛岄€欎簺钖勫急鐠�(hu谩n)绡€(ji茅)灏嶆姉鍓挤搴﹀拰婊查€忔€у奖闊挎槸鐩哥暥(d膩ng)澶х殑銆傚ぇ澹╀綔鐐烘搵姘村缓绛戠墿锛岀┅(w臎n)瀹氭€�銆佹徊閫忔€ф槸浜哄€戞渶闂�(gu膩n)蹇冪殑鍟忛銆傚湪纰惧娣峰嚌鍦熷）鏂藉伐鎶€琛�(sh霉)鏃ヨ定鎴愮啛锛岀⒕澹撴贩鍑濆湡澹╂柦宸ヨ唱(zh矛)閲忎笉鏂锋彁楂樼殑鍚屾檪锛屽浣曟纰烘脯瑭︾⒕澹撴贩鍑濆湡澹╁畯瑙€婊查€忔€�锛岀壒鍒ユ槸纰惧娣峰嚌鍦熸徊閫忔€х殑鐝�(xi脿n)鍫寸簿纰烘脯瑭�锛岄棞(gu膩n)绯诲埌灏嶇⒕澹撴贩鍑濆湡澹╃殑瀹夊叏鑸囪€愪箙鎬�?锛佺顔愩仱闆哄く鐐奉惗娼︹敃銇�?gu墨)鑼冦€嬩腑鎶婄従(xi脿n)鍫村姘磋│椹椾綔鐐虹従(xi脿n)鍫磋⿻瀹氱⒕澹撴贩鍑濆湡鎶�?ji茅)B鎬х殑鏂规硶锛屽叾鍙潬鎬с€佹簴(zh菙n)纰烘€ф槸鑷抽棞(gu膩n)閲嶈鐨�銆傚弽鏄犳贩鍑濆湡婊查€忔€ф寚妯�(bi膩o)鏈夛細閫忔按鐜�銆佹徊閫忕郴鏁�(sh霉)鍙婃姉?ji茅)B妯�(bi膩o)铏熴€傜敱浜庣洰鍓嶅皻鐒℃按宸ョ⒕澹撴贩鍑濆湡澹撴按瑭﹂瑕�(gu墨)绋�锛屽彧鑳藉鐢ㄣ€婃按鍒╂按闆诲伐绋嬮墕瀛斿姘磋│椹楄(gu墨)绋婼L-25-92銆嬮€�(j矛n)琛屾搷浣�銆係L-25-92鏄嚌灏嶈闅欏窎楂斿姘磋│椹楄€岀法鍒剁殑锛岃闅欏窎楂斿姘磋│椹楀鏄撻仈(d谩)鍒版徊娴侀噺Q鐨勬亽瀹氬€�锛屾噳(y墨ng)鐗瑰垾鎻愬嚭鐨勬槸锛孲L-25-92鎺ㄨ枽閲囩敤濡備笅鍏紡瑷堢畻婊查€忕郴鏁�(sh霉)锛�

K=Q/2πHLlnL/r0 (1)

寮忎腑锛欿—缍滃悎婊查€忕郴鏁�(sh霉)锛屽柈浣嶏細cm/s;Q—瑭︽鍏�(n猫i)鐨勫姘存亽瀹氭祦閲忥紝鍠綅锛歝m3/s;H—瑭﹂姘撮牠(鐢辫│椹楀鍔涙彌绠楃偤姘撮牠)锛屽柈浣嶏細cm;L—澹撴按娈甸暦锛屽柈浣嶏細cm锛宺0—閴嗗瓟鍗婂緫锛屽柈浣嶏細cm.

寮�(1)鏄寜鐓у姘磋嚦鎭掑畾鐙€鎱�(t脿i)(鍗砆缍寔涓€涓嶈畩鐨勫父閲�)鎵€姹傚緱鐨勫姘存宸栭珨骞冲潎婊查€忕郴鏁�(sh霉)锛岀敱浜庡湪澹撴按瑭﹂鍓峈CC鍏�(n猫i)閮ㄥ瓨鍦ㄦ湭琚按濉豢鐨勫瓟闅�锛岃閬�(d谩)鍒版亽瀹氫笉璁婄殑澹撴按娴侀噺闇€瑕佹サ闀风殑鏅傞枔锛岄€欏湪瀵﹂殯涓婅睛涓嶅埌鐨�銆傚洜姝�锛屼笉鑳界敤寮�(1)渚嗙⒑瀹氬叾婊查€忕郴鏁�(sh霉)銆�

1 娣峰嚌鍦熻│濉婂揩閫熸徊閫忚│椹楁徊閫忕郴鏁�(sh霉)鍒嗘瀽

鐢变簬娣峰嚌鍦熻│浠跺瓨鏈夊瓟闅�锛屽姘磋│椹楀彧鏈夎│浠跺瓟闅欏叏閮ㄨ姘村～鍏呭悗鎵嶈兘閬�(d谩)鍒版亽瀹氭徊娴佺媭鎱�(t脿i)锛屽嵆婊查€忔祦閲忛仈(d谩)鍒颁竴鎭掑畾鍊�銆傜敱浜庢贩鍑濆湡婊查€忔€у緢寰皬锛屾贩鍑濆湡婊查€忚│椹楅仈(d谩)鍒版亽瀹氭祦鐙€鎱�(t脿i)姝锋檪闈炲父闀�锛岃ō(sh猫)鍌欐晥鐜囨サ浣�锛屼笖瑭﹂姝锋檪閬庨暦锛岀櫦(f膩)鐢熸剰澶栬│浠剁殑姒傜巼灏辫秺楂�銆傚洜姝�锛岄€欑ó姝ｈ(gu墨)瑭﹂鏂规硶蹇呴爤鏈夎鍌欒壇濂界殑瑭﹂瀹ゅ収(n猫i)閫�(j矛n)琛�锛屼笖涓嶅彈鏅傞枔鐨勯檺鍒舵檪鎵嶈兘閫�(j矛n)琛�銆傚揩閫熸眰寰楁贩鍑濆湡瑭︿欢婊查€忕郴鏁�(sh霉)锛岀壒鍒ユ槸鍦ㄥ伐鍦拌│椹楀姊濅欢涓嬫贩鍑濆湡婊查€忚│椹楀父閲囩敤濡備笅绨℃槗鏂规硶锛氬嵆閫氶亷杓冪煭鏅傞枔(T)澹撴按锛屼笉绛夊緟姘村皣鏁村€嬭│浠跺畬鍏ㄩ＝鍜屽氨灏囪│浠跺妶闁�锛屾脯寰楅＝鍜屾按涓婂崌楂樺害Dm锛屽嵆鍙眰寰楁徊閫忕郴鏁�(sh霉)K.

娣峰嚌鍦熻│濉婂鍦�1锛岀敱搴曢潰鍚戜笂澹撴按锛屽姘寸殑姘撮牠鐐�?H.瑷�(sh猫)鏅傞枔鐐簍鏅傦紝椋藉拰姘撮潰涓婂崌楂樺害鐐簓锛岃┎铏曟按鍔涙搴︾偤J=H/y.渚濋仈(d谩)瑗垮畾寰嬫按闈笂鍗囬€熷害鐐猴細v=KJ=KH/y锛岃ō(sh猫)鏅傞枔澧為噺dt锛屾按闈㈠崌楂榙y锛屾贩鍑濆湡瀛旈殭鐜囩偤m锛屽墖姘撮噺澧為噺鐐猴細dq=mBdy=Bvdt锛屾垨mydy=KHdt.澹撴按鏅傞枔T鏅傛按闈笂鍗囧埌Dm锛岄€氶亷绌嶅垎锛�锛岀⿳鍒嗗悗鍙眰寰楋細

K=mD2m/2TH (2)

娣峰嚌鍦熷瓟闅欑巼鎳�(y墨ng)閫氶亷瑭﹂姹傚緱锛屾垨鏍规摎(j霉)缍�(j墨ng)椹楀彲鍙杕=0.03閫欏氨鏄贩鍑濆湡蹇€熸徊閫忚│椹楁墍甯哥敤鐨勫叕寮�銆傞€欑ó蹇€熻│椹椾笉濡傛瑕�(gu墨)瑭﹂绮惧害楂橈紝寮�(2)鍦ㄧ悊璜栦笂涔熶笉澶犲毚(y谩n)瀵�锛屼絾缍�(j墨ng)灏嶆瘮瑭﹂锛屾贩鍑濆湡瑭︿欢蹇€熻│椹楁柟娉曞彲浠ユ豢瓒冲伐绋嬭姹�锛屽洜鑰屼粛琚唬娉涙噳(y墨ng)鐢�銆�

2 RCC閴嗗瓟澹撴按瑭﹂婊查€忕郴鏁�(sh霉)鍒嗘瀽

瀵﹁笎琛ㄦ槑锛孯CC閫�(j矛n)琛屽姘磋│椹楁檪瑕侀仈(d谩)鍒版亽瀹氭祦閲忓€兼墍闇€鐨勬檪闁撴瘮娣峰嚌鍦熻│浠跺鍏�(n猫i)瑭﹂閬�(d谩)鍒版€涘畾娴侀噺鐨勬檪闁撹闀峰緱澶�锛屽湪宸ュ湴鐝�(xi脿n)鍫存浠朵笅鏄笉鍙兘鐨勩€傚湪娴侀噺Q浠嶅湪璁婂寲鏅�锛岀敤鎭掑畾娴佹帹灏�(d菐o)鐨勫紡(1)鏄笉鍙兘鐨勩€傚鏋滅敤澹撴按瑭﹂绲傜祼(ji茅)鏅傜殑娴侀噺鎴栫敤澹撴按閬庣▼鐨勫钩鍧囨祦閲忕敤寮�(1)姹傛徊閫忕郴鏁�(sh霉)锛屼笉鍍呯悊璜栦笂鏄尟瑾ょ殑锛岃€屼笖寰楀嚭鐨勭祼(ji茅)鏋滆宸ぇ锛岀敋鑷虫槸閷鐨�銆�

RCC澹╅墕瀛斿姘磋│椹楅潪鎭掑畾鐙€鎱�(t脿i)鑸囨贩鍑濆湡瑭︿欢蹇€熷姘磋│椹楃殑姗熺悊鐩稿悓銆傚墠鑰呮槸椋藉拰鍦堟摯澶х殑閬庣▼锛屽悗鑰呮槸椋藉拰姘撮潰涓婂崌鐨勯亷绋�銆傛墍涓嶅悓鐨勬槸RCC澹撴按瑭﹂涓嶅彲鑳芥脯鍒癟鏅傞枔椋藉拰鍗婂緫r1锛屼絾r1鍊煎彲浠ラ€氶亷瑷堢畻渚嗘眰寰�銆�

RCC澹╅墕瀛斿姘磋│椹楁槸涓€杩戜技杌稿皪绋卞晱椤岋紝澹撴按姘撮牠鐐篽.閴嗗瓟鍗婂緫鐐簉0锛屽瓟鍏�(n猫i)姘村鍔沨=H0;鐣�(d膩ng)椋藉拰姘撮潰鍗婂緫鐐簉锛宧=0锛岄＝鍜屽崁(q奴)鍏�(n猫i)姘村鍔涘垎甯冪偤h=H0lnr/r0/lnr1/r0;姘村姏姊害鐐篔=dh/dr=H0/lnr0/r1/r;椋藉拰姘撮潰杌稿悜澶栨摯鏁ｇ殑閫熷害鐐篣r=Kdh/dr.

瑷�(sh猫)澹撴按瑭﹂娈甸暦鐐篖锛屾檪闁揹t鍚庨＝鍜屽崁(q奴)鍗婂緫澧炲ぇdr锛屽墖鐢辨按閲忓钩琛★細2πrLurdt=2πrLmdr锛屽叐閭婇€�(j矛n)琛岀⿳鍒�锛屽墖澹撴按娈电稖鍚堟徊閫忕郴鏁�(sh霉)鐐�

K=m/H0T[r21/2lnr0/r1 r21-r20/4] (3)

寮忎腑锛歳0—閴嗗瓟鍗婂緫;r1—T鏅�?娈靛悗椋藉拰鍗€(q奴)鍗婂緫銆�

鍦ㄥ姘撮亷绋嬩腑濡傛灉娌掓湁姘撮噺鎼嶅け锛岄偅涔堝鍏ョ⒕澹撴贩鍑濆湡鍏�(n猫i)鐨勭附姘撮噺鎳�(y墨ng)绛変簬

w=π(r21-r20)m (4)

w鍙敱瑭﹂姹傚緱锛屽洜鑰宺1鍗冲彲姹�銆傜煡r1鍚庯紝K鐢卞紡(3)鍗冲彲姹傚緱銆�

3 宸ョ▼鎳�(y墨ng)鐢�

鐐轰簡鐮旂┒纰惧娣峰嚌鍦熺殑婊查€忔€�锛岀偤楂樼⒕澹撴贩鍑濆湡閲嶅姏澹╄ō(sh猫)瑷堟彁渚涗緷鎿�(j霉)锛屽湪姹熷煛澶у）閫�(j矛n)琛岀従(xi脿n)鍫村姘磋│椹�锛屼緷鎿�(j霉)鏈枃寮�(3)鍙婂紡(4)瑷堢畻姣忎竴澹撴按娈电殑缍滃悎婊查€忕郴鏁�(sh霉)銆�

渚嬪鏌愬姘存澹撴按锛岀附鏅傞枔65min锛岀附姘撮噺2.6l锛岀敱(4)姹傚緱r1=10.3cm锛屽啀鐢卞紡(3)瑙ｅ緱婊查€忕郴鏁�(sh霉)k=3.9×10-8cm/s.閫欎竴婊查€忕郴鏁�(sh霉)鏄）楂旇┎澹撴按娈电殑缍滃悎婊查€忕郴鏁�(sh霉)锛岃純鐐虹湡瀵︾殑鍙嶆槧浜嗚┎娈电⒕澹撴贩鍑濆湡鐨勬徊閫忕壒鎬�銆�

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