1. 鏂囦笜閲屾晥搴斿畾涔
鏂囦笜閲屾晥搴旀槸娴佷綋鍔涘涓殑涓绉嶇幇璞★紝鐢辨剰澶у埄鐗╃悊瀛﹀涔斾竾灏悸锋枃涓橀噷锛圙iovanni Venturi锛鎻愬嚭銆傚叾鏍稿績鎻忚堪涓猴細
褰撴祦浣擄紙姘斾綋鎴栨恫浣擄級閫氳繃涓娈靛彉寰勭閬撴椂锛屽湪鐙獎娈垫祦閫熷鍔狅紝闈欏帇闄嶄綆锛涜屽湪鎵╁紶娈垫祦閫熷噺灏忥紝闈欏帇鎭㈠銆
杩欎竴鐜拌薄绗﹀悎浼姫鍒╂柟绋嬶紙Bernoulli's Principle锛锛
鍏朵腑锛
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锛氶潤鍘
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锛氭祦閫
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锛氭祦浣撳瘑搴
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锛氶噸鍔涘姞閫熷害
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锛氶珮搴
鍏抽敭缁撹锛
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鎴潰绉噺灏 鈫 娴侀熷鍔 鈫 闈欏帇闄嶄綆锛堢嫮绐勬褰㈡垚浣庡帇鍖猴級銆
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鎴潰绉澶 鈫 娴侀熼檷浣 鈫 闈欏帇鍥炲崌锛堟墿寮犳鍘嬪姏閮ㄥ垎鎭㈠锛夈
2. 鏂囦笜閲屾晥搴旂殑浜у搧搴旂敤
鏂囦笜閲屾晥搴斿箍娉涚敤浜庨渶瑕澧炲帇銆佹贩鍚堛佹娊鍚告垨娴侀噺鎺у埗鐨勫満鏅紝渚嬪锛
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鑷鍘嬫按绠″柗鏋锛堥氳繃浣庡帇鍖哄惛鍏ョ┖姘旀垨姘存贩鍚堝鍘嬶級銆
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姹借溅鍖栨补鍣锛堝埄鐢ㄤ綆鍘嬪惛鍏ョ噧娌逛笌绌烘皵娣峰悎锛夈
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鍠烽浘鍣/鍠锋紗鏋锛堥浘鍖栨恫浣擄級銆
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鍖荤敤鍚哥棸鍣锛堣礋鍘嬫娊鍚革級銆
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宸ヤ笟鍠峰皠娉锛堟棤杩愬姩閮ㄤ欢杈撻佹祦浣擄級銆
3. 鏂囦笜閲岀粨鏋勮璁¤鐐
鍦ㄨ璁℃枃涓橀噷绠℃椂锛岄渶浼樺寲浠ヤ笅鍙傛暟浠ュ疄鐜伴珮鏁堣兘锛
锛1锛夊嚑浣曞弬鏁拌璁
| 鍙傛暟 | 璁捐寤鸿 |
|---|---|
| 鍏ュ彛鐩村緞锛圖鈧侊級 | 涓庤緭鍏ョ閬撳尮閰嶏紝鍑忓皯鍏ュ彛婀嶆祦鎹熷け銆 |
| 鍠夐儴鐩村緞锛圖鈧傦級 | 鍏抽敭鍙傛暟锛侀氬父涓哄叆鍙g殑1/3~1/2锛岃繃灏忎細瀵艰嚧鍘嬫崯杩囧ぇ锛岃繃澶у垯鏁堝簲鍑忓急銆 |
| 鎵╁紶瑙掞紙尾锛 | 寤鸿5掳~15掳锛岃搴﹁繃澶т細瀵艰嚧娴佷綋鍒嗙锛堣竟鐣屽眰鍒嗙锛夛紝鑳介噺鎹熻楀鍔犮 |
| 鏀剁缉瑙掞紙伪锛 | 寤鸿20掳~30掳锛岀‘淇濇祦浣撳钩绋冲姞閫熴 |
| 鍠夐儴闀垮害锛圠锛 | 杩囩煭鏄撴箥娴侊紝杩囬暱澧炲姞鎽╂摝锛涢氬父鍙栧枆閮ㄧ洿寰勭殑0.5~1鍊嶃 |
鍏紡鍙傝锛
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娴侀熸瘮锛
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鍘嬪姏宸細
锛2锛夋潗鏂欎笌琛ㄩ潰澶勭悊
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鏉愭枡锛氳愯厫铓锛堝榛勯摐銆佷笉閿堥挗銆佸伐绋嬪鏂欙級銆
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鍐呭鍏夋磥搴锛氭姏鍏夋垨娑傚眰鍑忓皯鎽╂摝锛堝鐗规盁榫欙級銆
锛3锛夎緟鍔╃粨鏋勪紭鍖
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渚у瓟锛堟娊鍚稿彛锛锛氫綅浜庡枆閮ㄤ綆鍘嬪尯锛岀敤浜庡惛鍏ユ皵浣/娑蹭綋锛堝鍠锋灙鐨勯浘鍖栧瓟锛夈
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瀛斿緞闇鍖归厤娴侀噺锛岄伩鍏嶇牬鍧忎富姘旀祦銆
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鎵╂暎娈垫暣娴佸櫒锛氬噺灏戞丁娴侊紝鎻愬崌鍘嬪姏鎭㈠鏁堢巼銆
4. 璁捐妗堜緥锛氳嚜澧炲帇鍠锋灙鐨勬枃涓橀噷缁撴瀯
姝ラ1锛氱‘瀹氶渶姹
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杈撳叆姘村帇锛0.3 MPa锛堝競鏀胯嚜鏉ユ按锛夈
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鐩爣杈撳嚭鍘嬪姏锛0.6 MPa锛堝鍘2鍊嶏級銆
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娣峰悎绌烘皵瀹炵幇闆惧寲銆
姝ラ2锛氬弬鏁拌绠
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鍠夐儴鐩村緞锛
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璁惧叆鍙g洿寰 锛屽彇 锛堥潰绉瘮鈮6:1锛夈
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鍠夐儴闀垮害锛
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銆
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渚у瓟璁捐锛
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浣嶄簬鍠夐儴鍚庢柟锛岀洿寰1~2 mm锛屽炬枩30掳寮曞绌烘皵鍚稿叆銆
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姝ラ3锛氫豢鐪熼獙璇
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浣跨敤CFD锛堝ANSYS Fluent锛夋ā鎷熸祦閫熷拰鍘嬪姏鍒嗗竷锛屼紭鍖栨墿寮犺閬垮厤婀嶆祦銆
姝ラ4锛氬疄鐗╂祴璇
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璋冩暣鍠夐儴鐩村緞鎴栦晶瀛斾綅缃紝骞宠 澧炲帇鏁堟灉涓庢祦閲忋
5. 甯歌璁捐閿欒
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鍠夐儴杩囩煭/杩囬暱锛氬鑷磋兘閲忔崯鑰楁垨鏁堝簲涓嶈冻銆
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鎵╁紶瑙掕繃澶锛氬紩鍙戞祦浣撳垎绂伙紝鍘嬪姏鎭㈠澶辫触銆
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渚у瓟浣嶇疆閿欒锛氭湭瀵瑰噯浣庡帇鍖猴紝鎶藉惛鏃犳晥銆
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蹇界暐鎽╂摝鎹熷け锛氱矖绯欏唴澹佸ぇ骞呴檷浣庢晥鐜囥
6. 杩涢樁浼樺寲鏂瑰悜
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鍙皟鍠夐儴锛氶氳繃铻烘潌璋冭妭鍠夐儴鎴潰绉紝閫傚簲涓嶅悓娴侀噺锛堝楂樼骇鍠锋灙锛夈
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澶氱骇鏂囦笜閲锛氫覆鑱斿涓枃涓橀噷绠″疄鐜伴樁姊鍘嬶紙鐢ㄤ簬楂樺帇娓呮礂鏈猴級銆
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澶嶅悎璁捐锛氱粨鍚堟丁杞垨娲诲鏈烘澧炲帇锛堢獊鐮存枃涓橀噷鏋侀檺锛夈
鎬荤粨
鏂囦笜閲屾晥搴旂殑璁捐鏍稿績鏄閫氳繃鍑犱綍褰㈢姸鎺у埗娴佷綋鍔ㄨ兘涓庡帇鑳界殑杞崲銆傚湪瀹為檯浜у搧涓紝闇骞宠 缁撴瀯鍙傛暟銆佹潗鏂欐垚鏈拰娴佷綋鐗规э紝骞堕氳繃浠跨湡涓庢祴璇曡凯浠d紭鍖栥傚浜庤嚜澧炲帇鍠锋灙锛屽悎鐞嗙殑鍠夐儴灏哄鍜屼晶瀛旇璁℃槸鎻愬崌鎬ц兘鐨勫叧閿紒鏉ユ簮锛氬姴鎹烽瓟娉曢珮鍘嬫按鏋


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