绗竴绔犱範棰?/p>
1
銆佸凡鐭ョ湡绌轰腑鐨勫厜閫?/p>
c
锛?/p>
3 m/s
锛屾眰鍏夊湪姘达紙
n=1.333
锛夈�佸啎鐗岀幓鐠冿紙
n=1.51
锛夈�佺伀鐭崇幓鐠冿紙
n=1.65
锛夈�?/p>
鍔犳嬁澶ф爲鑳讹紙
n=1.526
锛夈�侀噾鍒氱煶锛?/p>
n=2.417
锛夌瓑浠嬭川涓殑鍏夐�熴�?/p>
瑙ｏ細
鍒欏綋鍏夊湪姘翠腑锛?/p>
n=1.333
鏃讹紝
v=2.25 m/s,
褰撳厜鍦ㄥ啎鐗岀幓鐠冧腑锛?/p>
n=1.51
鏃讹紝
v=1.99 m/s,
褰撳厜鍦ㄧ伀鐭崇幓鐠冧腑锛?/p>
n
锛?/p>
1.65
鏃讹紝
v=1.82 m/s
锛?/p>
褰撳厜鍦ㄥ姞鎷垮ぇ鏍戣兌涓紝
n=1.526
鏃讹紝
v=1.97 m/s
锛?/p>
褰撳厜鍦ㄩ噾鍒氱煶涓紝
n=2.417
鏃讹紝
v=1.24 m/s
銆?/p>
2
銆佷竴鐗╀綋缁忛拡瀛旂浉鏈哄湪
灞忎笂鎴愪竴
60mm
澶у皬鐨勫儚锛岃嫢灏嗗睆鎷夎繙
50mm
锛屽垯鍍忕殑澶у皬鍙樹负
70mm,
姹傚睆鍒?/p>
閽堝瓟鐨勫垵濮嬭窛绂汇�?/p>
瑙ｏ細鍦ㄥ悓绉嶅潎鍖�浠嬭川绌洪棿涓厜绾跨洿绾夸紶鎾紝濡傛灉閫夊畾缁忚繃鑺傜偣鐨勫厜绾垮垯鏂瑰悜涓嶅彉锛屼护灞忓埌閽堝瓟鐨勫垵濮嬭窛
绂讳负
x
锛屽垯鍙互鏍规嵁涓夎褰㈢浉浼煎緱鍑猴細
鎵�浠?/p>
x=300mm
鍗冲睆鍒伴拡瀛旂殑鍒濆璺濈涓?/p>
300mm
銆?/p>
3
銆佷竴鍘氬害涓?/p>
200mm
鐨勫钩琛屽钩鏉跨幓鐠冿紙璁?/p>
n=1.5
锛夛紝涓嬮潰鏀句竴鐩村緞涓?/p>
1mm
鐨勯噾灞炵墖銆傝嫢鍦ㄧ幓鐠冩澘涓婄洊涓�
鍦嗗舰绾哥墖锛岃姹傚湪鐜荤拑鏉夸笂鏂逛换浣曟柟鍚戜笂閮界湅涓嶅埌璇ラ噾灞炵墖锛岄棶绾哥墖鏈�灏忕洿寰勫簲涓哄灏戯紵
瑙ｏ細浠ょ焊鐗囨渶灏忓崐寰勪负
x,
鍒欐牴鎹叏鍙嶅皠鍘熺悊锛屽厜鏉熺敱鐜荤拑灏勫悜绌烘皵涓椂婊¤冻鍏ュ皠瑙掑害澶т簬鎴栫瓑浜庡叏鍙嶅皠涓寸晫瑙掓椂鍧囦細鍙戠敓鍏ㄥ弽
灏勶紝鑰岃繖閲屾鏄敱浜庤繖涓師鍥犲鑷村湪鐜荤拑鏉夸笂鏂圭湅涓嶅埌閲戝睘鐗囥�傝�屽叏鍙嶅皠涓寸晫瑙掓眰鍙栨柟娉曚负锛?/p>
(1)
鍏朵腑
n
2
=1, n
1
=1.5,
鍚屾椂鏍规嵁鍑犱綍鍏崇郴锛屽埄鐢ㄥ钩鏉垮帤搴﹀拰绾哥墖浠ュ強閲戝睘鐗囩殑鍗婂緞寰楀埌鍏ㄥ弽灏勪复鐣岃鐨勮绠楁柟娉曚负锛?/p>
(2)
鑱旂珛锛?/p>
1
锛夊紡鍜岋紙
2
锛夊紡鍙互姹傚嚭绾哥墖鏈�灏忕洿寰?/p>
x=179.385mm
锛?/p>
鎵�浠ョ焊鐗囨渶灏忕洿寰勪负
358.77mm
銆?/p>
4
銆?/p>
鍏夌氦鑺殑鎶樺皠鐜囦负
n
1
銆?/p>
鍖呭眰鐨勬姌灏勭巼涓?/p>
n
2
,
鍏夌氦鎵�鍦ㄤ粙璐ㄧ殑鎶樺皠鐜囦负
n
0
锛?/p>
姹傚厜绾ょ殑鏁板�煎瓟寰?/p>
锛堝嵆
n
0
sinI
1
,
鍏朵腑
I
1
涓哄厜鍦ㄥ厜绾ゅ唴鑳戒互鍏ㄥ弽灏勬柟寮忎紶鎾椂鍦ㄥ叆灏勭闈㈢殑鏈�澶у叆灏勮锛夈�?/p>
瑙ｏ細浣嶄簬鍏夌氦鍏ュ皠绔潰锛屾弧瓒崇敱绌烘皵鍏ュ皠鍒板厜绾よ姱涓紝搴旂敤鎶樺皠瀹氬緥鍒欐湁锛?/p>
n0sinI1=n2sinI2
(1)