1
鍖栧伐鍘熺悊璇惧悗涔犻瑙ｇ瓟
绗竴绔?/p>
娴佷綋娴佸姩
1.
鏌愯澶囦笂鐪熺┖琛ㄧ殑璇绘暟涓?/p>
13.3脳
10
3
Pa,
璇曡绠楄澶囧唴鐨勭粷瀵瑰帇寮轰笌琛ㄥ帇寮恒�傚凡鐭ヨ鍦板尯
澶ф皵鍘嬪己涓?/p>
98.7脳
10
3
Pa
銆?/p>
瑙ｏ細鐢?/p>
缁濆鍘嬪己
=
澶ф皵鍘嬪己
鈥?/p>
鐪熺┖搴?/p>
寰楀埌锛?/p>
璁惧鍐呯殑缁濆鍘嬪己
P
缁?/p>
= 98.7脳
10
3
Pa -13.3脳
10
3
Pa=8.54脳
10
3
Pa
璁惧鍐呯殑琛ㄥ帇寮?/p>
P
琛?/p>
= -
鐪熺┖搴?/p>
= - 13.3脳
10
3
Pa
2
锛庡湪鏈闄勫浘鎵�绀虹殑鍌ㄦ补缃愪腑鐩涙湁瀵嗗害涓?/p>
960
銕?/p>
/
銕?/p>
鐨勬补鍝侊紝娌归潰楂樹簬缃愬簳
6.9 m
锛屾补闈?/p>
涓婃柟涓哄父鍘嬨�?/p>
鍦ㄧ綈渚у鐨勪笅閮ㄦ湁涓�鐩村緞涓?/p>
760 mm
鐨勫渾瀛旓紝
鍏朵腑蹇冭窛缃愬簳
800 mm
锛?/p>
瀛旂洊鐢?/p>
14mm
鐨勯挗鍒惰灪閽夌揣鍥恒�傝嫢铻洪拤鏉愭枡鐨勫伐浣滃簲鍔涘彇涓?/p>
39.23脳
10
6
Pa
锛?/p>
闂嚦灏戦渶瑕佸嚑涓灪閽夛紵
鍒嗘瀽锛氱綈搴曚骇鐢熺殑鍘嬪姏涓嶈兘瓒呰繃铻洪拤鐨勫伐浣滃簲鍔?/p>
鍗?/p>
P
娌?/p>
鈮?nbsp;蟽
铻?/p>
瑙ｏ細
P
铻?/p>
=
蟻
gh脳
A = 960脳
9.81脳
(9.6-0.8) 脳
3.14脳
0.76
2
150.307脳
10
3
N
蟽
铻?/p>
= 39.03脳
10
3
脳
3.14脳
0.014
2
脳
n
P
娌?/p>
鈮?nbsp;蟽
铻?/p>
寰?/p>
n 鈮?nbsp;6.23
鍙?/p>
n
min
= 7
鑷冲皯闇�瑕?/p>
7
涓灪閽?/p>
3
锛庢煇娴佸寲搴婂弽搴斿櫒涓婅鏈変袱涓?/p>
U
鍨嬬鍘嬪樊璁★紝
濡傛湰棰橀檮
鍥炬墍绀恒�傛祴寰?/p>
R
1
= 400 mm
锛?/p>
R
2
= 50 mm
锛屾寚绀烘恫涓?/p>
姘撮摱銆備负闃叉姘撮摱钂告苯鍚戠┖姘斾腑鎵╂暎锛屼簬鍙充晶鐨?/p>
U
鍨嬬涓?/p>
澶ф皵杩為�氱殑鐜荤拑绠″唴鐏屽叆涓�娈垫按锛屽叾楂樺害
R
3
=
50
mm
銆傝瘯
姹?/p>
A
锕?/p>
B
涓ゅ鐨勮〃鍘嬪己銆?/p>
鍒嗘瀽锛?/p>
鏍规嵁闈欏姏瀛﹀熀鏈師鍒欙紝
瀵逛簬鍙宠竟鐨勶嫉绠″帇宸锛?/p>
a
鈥?/p>
a
鈥?/p>
涓虹瓑鍘嬮潰锛?/p>
瀵逛簬宸﹁竟鐨勫帇宸锛?/p>
b
鈥?/p>
b
鈥?/p>
涓哄彟涓�绛夊帇闈紝
鍒嗗埆鍒楀嚭涓や釜绛夊帇闈㈠鐨勯潤
鍔涘鍩烘湰鏂圭▼姹傝В銆?/p>
瑙ｏ細璁剧┖姘旂殑瀵嗗害涓?/p>
蟻
g
锛屽叾浠栨暟鎹鍥炬墍绀?/p>
a
鈥?/p>
a
鈥?/p>
澶?/p>
P
A
+ 蟻
g
gh
1
= 蟻
姘?/p>
gR
3
+ 蟻
姘撮摱
伞R
2