表面张力单位焦每平方米跟牛每米怎么换算?
W=FS（力乘长度）→J=n*mj/m^2=n*m/m^2=n/m
绛旓細mN/m锛氳繖鏄琛ㄩ潰寮犲姏鐨鍗曚綅锛屽叾涓1mN/m绛変簬1dynes/cm銆俢N.m锛歝N.m鏄満姊板姛鐨勫崟浣嶏紝闇瑕佹敞鎰忕殑鏄紝100cN.m绛変簬1N.m锛岃繖灏卞儚cm鍜宮涔嬮棿鐨勬崲绠楀叧绯汇侼.m锛鐗涙瘡绫鏄墿鐞嗗涓脊绨у姴搴︾郴鏁扮殑鍗曚綅锛屽叾绗﹀彿涓篘/m銆傜劍鑰筹細鍔熺殑鍥介檯鍒朵富鍗曚綅鏄劍鑰筹紝1J绛変簬1N路m锛屼絾閫氬父涓嶄細浠ヨ繖绉嶅舰寮忚〃绀恒傜墿鐞嗛噺鍗曚綅...
绛旓細1銆佽〃闈㈣兘锛氭槸鎭掓俯銆佹亽鍘嬨佹亽缁勬垚鎯呭喌涓嬶紝鍙嗗湴澧炲姞鐗╃郴琛ㄩ潰绉』瀵圭墿璐ㄦ墍鍋氱殑闈炰綋绉姛銆傝〃闈㈣兘鐨勫彟涓绉嶅畾涔夋槸锛岃〃闈㈢矑瀛愮浉瀵逛簬鍐呴儴绮掑瓙鎵澶氬嚭鐨勮兘閲忋傝〃闈㈣兘鏄垱閫犵墿璐ㄨ〃闈㈡椂瀵瑰垎瀛愰棿鍖栧閿牬鍧忕殑搴﹂噺銆2銆琛ㄩ潰寮犲姏锛氭恫浣撹〃闈换鎰忎袱鐩搁偦閮ㄥ垎涔嬮棿鍨傜洿浜庡畠浠殑鍗曚綅闀垮害鍒嗙晫绾跨浉浜掍綔鐢ㄧ殑鎷夊姏銆傝〃闈㈠紶鍔涚殑...
绛旓細鍏朵粬鍥炵瓟 姣鐗涙瘡绫,鏄寚姣忕背姣墰绾у紶鍔涚殑鏁板笺 CourierKing | 鍙戝竷浜2007-03-05 涓炬姤| 璇勮 7 0 涓烘偍鎺ㄨ崘: 涓嶅悓娓╁害姘寸殑琛ㄩ潰寮犲姏 鍗曚綅鎹㈢畻 姘寸殑琛ㄩ潰寮犲姏鏄粈涔 寮犲姏鐨勫崟浣 琛ㄩ潰寮犲姏鏄粈涔? 琛ㄩ潰寮犲姏鍗曚綅鍒 琛ㄩ潰寮犲姏鐨勫畾涔 琛ㄩ潰寮犲姏鍗曚綅鏄灏 琛ㄩ潰寮犲姏鏄粈涔 澧炲姞琛ㄩ潰寮犲姏 ...
绛旓細琛ㄩ潰寮犲姏鏄恫浣撹〃闈㈢殑涓绉嶇墿鐞嗘ц川锛屽畠浣垮緱娑蹭綋琛ㄩ潰灏藉彲鑳藉噺灏戦潰绉紝浠庤屽舰鎴愪竴绉嶆敹缂╃殑瓒嬪娍銆傝繖绉嶈秼鍔挎簮浜庢恫浣撳垎瀛愰棿鐨勭浉浜掍綔鐢紝琛ㄧ幇涓烘恫浣撹〃闈笂鐨勫垎瀛愬彈鍒板悜娑蹭綋鍐呴儴鏂瑰悜鐨勬媺鍔涖傝〃闈㈠紶鍔涚郴鏁板垯鏄竴涓噺鍖栬繖涓鎬ц川鐨勭墿鐞嗛噺锛岄氬父鐢ㄥ笇鑵婂瓧姣σ锛坰igma锛夎〃绀猴紝鍗曚綅鏄疦/m锛堢墰椤姣忕背锛夈傚叿浣撴潵璇达紝琛ㄩ潰...
绛旓細2. 褰撴恫浣撹〃闈㈣涓鏉￠暱搴︿负L鐨勭嚎娈靛垎鎴愪袱閮ㄥ垎鏃讹紝杩欎袱閮ㄥ垎涔嬮棿瀛樺湪鐨勭浉浜掓媺鍔汧鏄瀭鐩翠簬绾挎L锛屽苟涓斾笌娑蹭綋琛ㄩ潰鐩稿垏銆3. 姣斾緥绯绘暟a鍗充负娑蹭綋鐨琛ㄩ潰寮犲姏绯绘暟锛屽畠琛ㄧず娑蹭綋琛ㄩ潰鐩搁偦涓ら儴鍒嗕箣闂鍗曚綅闀垮害鐨勭浉浜掔壍寮曞姏銆傝娉ㄦ剰锛屼笂杩版弿杩颁腑鈥滄绫姣忕墰鈥濆簲鏇存涓衡滄鐗涙瘡绫鈥濓紝浠ョ鍚堝浗闄呭崟浣嶅埗銆
绛旓細鍗冨厠姣忔懇灏(kg/mol)閫熷害鍗曚綅锛氱背姣忕(m/s)瑙掗熷害鍗曚綅锛氬姬搴︽瘡绉(rad/s)鍔涘崟浣嶏細鐗涢】(N)鍘嬪己鍗曚綅锛氬笗鏂崱(Pa, N/m²)琛ㄩ潰寮犲姏鍗曚綅锛氱墰椤姣忕背(N/m)鍐查噺銆佸姩閲忓崟浣嶏細鐗涢】绉(N路s)鍔熴佽兘閲忋佺儹閲忋佺創鍗曚綅锛氱劍鑰(J, N路m)鎽╁皵鍐呰兘銆佹懇灏旂創鍗曚綅锛氱劍鑰虫瘡鎽╁皵(J/mol)鍔熺巼鍗曚綅锛氱摝鐗(...
绛旓細鍏朵腑锛宺涓烘按婊寸殑鍗婂緞锛屽彲浠ラ氳繃鐩村緞闄や互2寰楀埌銆傛牴鎹鐩腑鐨勭洿寰勪负5姣背锛屽皢鍏惰浆鍖栦负绫冲崟浣鍗充负0.005绫炽備唬鍏ュ叕寮忚绠楋紝鍙互寰楀埌锛氬崐寰 r = 0.005 / 2 = 0.0025绫 琛ㄩ潰绉 = 4 * 蟺 * (0.0025)² = 3.1416 * (0.0025)² = 0.000019634骞虫柟绫 鏈鍚庯紝浠ｅ叆琛ㄩ潰寮犲姏鐨勬暟鍊硷紝...
绛旓細杩欓噷鐨勩mN / m銆锛屾槸銆姣墰 / 绫炽銆傛墍浠ャ1姣墰 / 绫筹紳0.001鐗 / 绫筹紝鍗炽1mN / m锛0.001 N / m銆銆
绛旓細杈惧洜/鍘樼背锛坉yn/cm锛夈傛牴鎹櫨搴︾櫨绉戣祫鏂欐樉绀猴紝杈惧洜鍊兼潵婧愪簬杈惧洜銆傝揪鍥犳槸鍔涚殑鍗曚綅锛1杈惧洜=鐗涖傞氬父鎴戜滑璇寸殑琛ㄩ潰寮犲姏銆佽揪鍥犲奸兘鏄氫織鐨勫彨娉曪紝鍑嗙‘鐨勮搴旇鏄〃闈㈠紶鍔涚郴鏁般傚畾涔夋槸娑蹭綋琛ㄩ潰鐩搁偦涓ら儴鍒嗕箣闂达紝鍗曚綅闀垮害鍐呬簰鐩哥壍寮曠殑鍔涖傝〃闈㈠紶鍔涚殑鍗曚綅鍦⊿I鍒朵腑涓虹墰椤/绫筹紙N/m锛夛紝浣嗕粛甯哥敤杈惧洜/鍘樼背锛坉yn/cm...
绛旓細杩欓噷鐨勩mN / m銆,鏄姣墰 / 绫炽.鎵浠ャ1姣墰 / 绫筹紳0.001鐗 / 绫,鍗炽1mN / m锛0.001 N / m銆.
