cmh是什么单位 cmh是什么单位？
cmh\u662f\u4ec0\u4e48\u5355\u4f4dcmH2O\u662f\u538b\u529b\u5355\u4f4d\uff0c\u4e2d\u6587\u4e3a\u5398\u7c73\u6c34\uff0c\u5c31\u662f \u4e00\u5398\u7c73\u9ad8\u5ea6\u7684\u6c34\u4ea7\u751f\u7684\u5411\u4e0b\u538b\u5f3a\u3002
1hPa \u7ea6\u7b49\u4e8e 1 cmH2O\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u538b\u529b\u6362\u7b97: \u30001\u5e15\uff08Pa\uff09=1N/\u33a1\uff1b
1\u5146\u5e15\uff08MPa\uff09=145\u78c5/\u5e73\u65b9\u82f1\u5bf8\uff08psi\uff09=10.2\u5343\u514b\u529b/\u5e73\u65b9\u5398\u7c73\uff08kgf/c\u33a1\uff09=10\u5df4\uff08bar\uff09=9.8\u5927\u6c14\u538b\uff08at m\uff09 1\u78c5/\u82f1\u5bf82\uff08psi\uff09=0.006895\u5146\u5e15\uff08MPa\uff09=0.0703\u5343\u514b/\u5e73\u65b9\u5398\u7c73\uff08kg/c\u33a1\uff09=0.0689\u5df4\uff08bar\uff09=0.068\u5927\u6c14\u538b\uff08at m\uff09\uff1b
1\u5df4\uff08bar\uff09=0.1\u5146\u5e15\uff08MPa\uff09=14.503\u78c5/\u5e73\u65b9\u82f1\u5bf8\uff08psi\uff09=1.0197\u5343\u514b/\u5e73\u65b9\u5398\u7c73\uff08kg/c\u33a1\uff09=0.987\u5927\u6c14\u538b\uff08at m\uff09\uff1b
1\u5927\u6c14\u538b\uff08at m\uff09=0.101325\u5146\u5e15\uff08MPa\uff09=14.696\u78c5/\u5e73\u65b9\u82f1\u5bf8\uff08psi\uff09=1.0333\u5343\u514b/\u5e73\u65b9\u5398\u7c73\uff08kg/c\u33a1\uff09=1.0133\u5df4\uff08bar\uff09\uff1b
1\u6beb\u7c73\u6c5e\u67f1\uff08mmHg\uff09=133.33\u5e15\uff08Pa\uff09\u3002
CMH\u5373cube meter hour\uff08m³/h\uff09\uff0c\u610f\u4e3a\u7acb\u65b9\u7c73\uff0f\u5c0f\u65f6\uff0c\u4e00\u822c\u7528\u6765\u8868\u793a\u98ce\u6d41\u91cf\u6216\u8005\u6c34\u6d41\u91cf\u3002
\u98ce\u91cf\u662f\u6307\u98ce\u51b7\u6563\u70ed\u5668\u98ce\u6247\u6bcf\u5206\u949f\u9001\u51fa\u6216\u5438\u5165\u7684\u7a7a\u6c14\u603b\u4f53\u79ef\uff0c\u5982\u679c\u6309\u7acb\u65b9\u82f1\u5c3a\u6765\u8ba1\u7b97\uff0c\u5355\u4f4d\u5c31\u662fCFM\uff1b\u5982\u679c\u6309\u7acb\u65b9\u7c73\u6765\u7b97\uff0c\u5c31\u662fCMM\uff0c\u6563\u70ed\u5668\u4ea7\u54c1\u7ecf\u5e38\u4f7f\u7528\u7684\u98ce\u91cf\u5355\u4f4d\u662fCFM\u3002
\u98ce\u7cfb\u7edf\u4e2d\uff1a
CMM\uff08\u7acb\u65b9\u7c73\uff0f\u5206\u949f\uff09\uff1bCMH\uff08\u7acb\u65b9\u7c73\uff0f\u5c0f\u65f6\uff09\uff1bCFM(\u7acb\u65b9\u82f1\u5c3a\uff0f\u5206\u949f\uff09\uff1bLS(\u5347\uff0f\u79d2\uff09\u3002
1CMH=60CMM
1CFM=1.7CMH
1L/s=3.6CMH
\u4ee5\u4e0a\u5185\u5bb9\u53c2\u8003 \u767e\u5ea6\u767e\u79d1\uff0dCMh
风系统中：CMM（立方米/分钟）；CMH（立方米/小时）；CFM(立方英尺/分钟)；LS(升/秒)。
换算：1CMH=60CMM；1CFM=1.7CMH；1L/s=3.6CMH。
风量：是指风冷散热器风扇每分钟送出或吸入的空气总体积，如果按立方英尺来计算，单位就是CFM；如果按立方米来算，就是CMM，散热器产品经常使用的风量单位是CFM。
绛旓細CMH涓枃鎰忔濇槸绔嬫柟绫/灏忔椂銆侰MH鏄嫳鏂嘽ube meter hour锛坢³/h锛夌殑缂╁啓锛鐢ㄦ潵琛ㄧず椋庢祦閲忔垨鑰呮按娴侀噺鐨勫崟浣锛屼竴鑸悊瑙ｆ垚椋庣郴缁熶腑鐨勯閲忔瘡涓皬鏃舵槸澶氬皯绔嬫柟绫炽傚湪椋庣郴缁熶腑锛1CMH=60CMM锛1CFM=1.7CMH锛1L/s=3.6CMH銆
绛旓細1. CMH浠ｈ〃绔嬫柟绫虫瘡灏忔椂锛屾槸琛￠噺椋庢祦閲忔垨姘存祦閲忕殑甯哥敤鍗曚綅銆2. 鍦ㄩ绯荤粺涓紝CMM琛ㄧず绔嬫柟鍘樼背姣忓垎閽燂紝CMH琛ㄧず绔嬫柟绫虫瘡灏忔椂锛孋FM琛ㄧず绔嬫柟鑻卞昂姣忓垎閽燂紝LS琛ㄧず鍗囨瘡绉掋3. 鍗曚綅鎹㈢畻鍏崇郴涓猴細1CMH绛変簬60CMM锛1CFM绛変簬1.7CMH锛1L/s绛変簬3.6CMH銆4. 椋庨噺鏄寚椋庢墖姣忓垎閽熼佸叆鎴栨娊鍑虹殑绌烘皵鎬讳綋绉備互绔嬫柟鑻卞昂涓...
绛旓細1. cmh鐨勫熀鏈蹇碉細cmh鏄綋绉祦閲忓崟浣锛岄氬父鐢ㄤ簬鎻忚堪鍗曚綅鏃堕棿鍐呴氳繃鏌愪竴绌洪棿鐨勬恫浣撴垨姘斾綋鐨勪綋绉傚湪杩欎釜鍗曚綅涓紝鈥渃鈥濅唬琛ㄧ珛鏂瑰帢绫筹紝鍗充綋绉殑鍗曚綅锛屸渉鈥濅唬琛ㄦ椂闂村崟浣嶅皬鏃躲傚洜姝わ紝cmh琛ㄧず鐨勬槸姣忓皬鏃跺唴閫氳繃鏌愮┖闂寸殑绔嬫柟鍘樼背浣撶Н銆2. 鍗曚綅鐨勫簲鐢ㄥ満鏅細杩欎釜鍗曚綅鍦ㄥ寲瀛︺佺墿鐞嗐佸伐绋嬬瓑棰嗗煙涓緝涓哄父瑙侊紝鐗瑰埆鏄...
绛旓細CMH鍗砿³/h锛鎰忎负绔嬫柟绫/灏忔椂锛屼竴鑸敤鏉ヨ〃绀洪娴侀噺鎴栬呮按娴侀噺銆傞绯荤粺涓細CMM锛堢珛鏂圭背/鍒嗛挓锛夛紱CMH锛堢珛鏂圭背/灏忔椂锛夛紱CFM(绔嬫柟鑻卞昂/鍒嗛挓)锛汱S(鍗/绉)銆傛崲绠楋細1CMH=60CMM锛1CFM=1.7CMH锛1L/s=3.6CMH銆傞閲忥細鏄寚椋庡喎鏁ｇ儹鍣ㄩ鎵囨瘡鍒嗛挓閫佸嚭鎴栧惛鍏ョ殑绌烘皵鎬讳綋绉紝濡傛灉鎸夌珛鏂硅嫳灏烘潵璁＄畻锛屽崟浣嶅氨...
绛旓細cmh鏄痗ubemeterhour(m/h)鐨勮嫳鏂囩缉鍐欙紝鎰忎负绔嬫柟绫/灏忔椂锛屼竴鑸敤鏉ヨ〃绀洪娴侀噺鎴栬呮按娴侀噺銆傛崲绠楀氨鏄1L/S=3.6CMH锛900灏辨槸250鍗/绉掑嵆0.25绔嬫柟绫/绉掋傞閲忔槸鎸囬鍐锋暎鐑櫒椋庢墖姣忓垎閽熼佸嚭鎴栧惛鍏ョ殑绌烘皵鎬讳綋绉紝濡傛灉鎸夌珛鏂硅嫳灏烘潵璁＄畻锛屽崟浣嶅氨鏄疌FM锛涘鏋滄寜绔嬫柟绫虫潵绠楋紝灏辨槸CMM锛屾暎鐑櫒浜у搧缁忓父浣跨敤鐨勯閲忓崟浣...
绛旓細cmh鏄“鏍囧噯绔嬫柟绫虫瘡灏忔椂”鐨勭畝绉帮紝鏄 閲忕┖姘旀垨姘斾綋娴侀噺鐨勪竴绉鍗曚綅銆俢mh鏄竴绉嶅伐绋嬪崟浣嶏紝閫氬父鐢ㄤ簬琛ㄧず姘斾綋鐨勬祦閲忋傚湪鐗瑰畾鐨勯鍩熸垨鐜涓紝渚嬪绌鸿皟绯荤粺銆侀氶绯荤粺绛夛紝娴侀噺鏄潪甯搁噸瑕佺殑鍙傛暟銆傚叾娆★紝鏍囧噯绔嬫柟绫虫瘡灏忔椂锛坈mh锛夋槸鍩轰簬鏍囧噯鏉′欢锛堥氬父鏄俯搴20°C鍜屽帇鍔1涓ぇ姘斿帇锛変笅鐨勬皵浣撲綋绉祦閲...
绛旓細CMH鏄滅珛鏂圭背姣忓皬鏃垛濈殑缂╁啓锛岀敤浜庤〃绀洪娴侀噺鎴栨按娴侀噺鐨勫崟浣嶃傚畠绛夊悓浜庢瘡灏忔椂娴佽繃鐨勭珛鏂圭背鏁般傚湪椋庣郴缁熶腑锛1CMH绛変簬60CMM锛1CFM绛変簬1.7CMH锛1L/s绛変簬3.6CMH銆椋庨噺鍗曚綅CFM鏄嫳鍒跺崟浣嶏紝琛ㄧず姣忓垎閽熺珛鏂硅嫳灏虹殑娴侀噺銆傚浗鍐呴氬父浣跨敤绔嬫柟绫虫瘡灏忔椂锛坢³/h锛変綔涓洪閲忓崟浣嶏紝鑰屽浗澶栧垯甯哥敤鑻卞埗椋庨噺鍗曚綅cfm锛...
绛旓細1. 椋庨噺鐨勫崟浣岰FM浠ｈ〃绔嬫柟鑻卞昂姣忓垎閽燂紝CMH浠ｈ〃绔嬫柟绫虫瘡灏忔椂銆2. 杩欎袱涓崟浣嶅父鐢ㄤ簬琛ㄧず绌烘皵娴佸姩鐨勯噺搴︼紝灏ゅ叾鍦ㄩ氶鍜岀┖璋冮鍩熴3. 瑕佸皢CFM杞崲涓虹珛鏂圭背姣忓皬鏃讹紙CMH锛夛紝鍙互浣跨敤鎹㈢畻鍏崇郴锛1CFM绛変簬0.028316847绔嬫柟绫虫瘡灏忔椂銆4. 鍙嶄箣锛岃灏咰MH杞崲涓篊FM锛屽彲浠ヤ娇鐢ㄦ崲绠楀叧绯伙細1CMH绛変簬35.245485绔嬫柟鑻卞昂姣忓垎閽...
绛旓細cmH2O鏄帇鍔鍗曚綅锛屼腑鏂囦负鍘樼背姘达紝灏辨槸 涓鍘樼背楂樺害鐨勬按浜х敓鐨勫悜涓嬪帇寮恒1hPa 绾︾瓑浜 1 cmH2O銆
绛旓細cube meter hour锛圕MH锛夌炕璇戞垚涓枃灏辨槸鈥绔嬫柟绫/灏忔椂鈥濓紝鏄祦浣撶殑浣撶Н娴侀噺鍗曚綅銆傚浜庣┖璋冩満缁勬潵璇达紝瀹ゅ唴澶栨満鐨椋庨噺閫氬父閮芥槸鐢–MH鏉ヨ〃绀虹殑銆
