涓�銆佷緥棰?/p>
渚?/p>
2-1
鐢ㄧ毊鎵樼鍜屽帇宸娴嬪緱
A
銆?/p>
B
涓ら绛掔殑鍘嬪姏鍒嗗埆涓?/p>
h
1
=
锛?/p>
50
锛?/p>
h
2
=10
锛?/p>
h
4
=50
锛?/p>
h
5
=10mmH
2
O
锛屽鍥?/p>
2-1
鎵�绀恒�傛眰
h
3
锛?/p>
h
6
鐨勫帇鍔涘悇涓哄灏戯紵鍚勫帇宸娴?/p>
寰楃殑鏄粈涔堝帇鍔涳紵骞跺垽瀹氶鏈烘墍澶勭殑浣嶇疆锛?/p>
2
4
3
5
6
B
鍥?-1
瑙ｏ細
1
锛?/p>
h
1
涓虹浉瀵归潤鍘嬶紝
h
2
涓哄姩鍘嬶紝
h
4
涓虹浉瀵瑰叏鍘嬶紝
h
5
涓哄姩鍘嬨�?/p>
2
锛夊帇宸
3
鐨勮鏁?/p>
h
3
涓虹浉瀵瑰叏鍘嬶細
h
3
= h
1
+ h
2
=
锛?/p>
50+10=
锛?/p>
40mmH
2
O
3
锛夊帇宸
5
鐨勮鏁?/p>
h
5
涓虹浉瀵归潤鍘嬶細
h
5
= h
4
锛?/p>
h
3
=50
锛?/p>
10=40mmH
2
O
4
锛?/p>
A
椋庣瓛椋庢満浣嶄簬宸︿晶锛岃繘琛屾娊鍑哄紡閫氶
B
椋庣瓛椋庢満浣嶄簬宸︿晶锛岃繘琛屽帇鍏ュ紡閫氶
渚?/p>
2-3
鏌愮熆浜曢�氶绯荤粺濡傚浘
2-3
鎵�绀猴紝
閲囩敤鍘嬪叆寮忛�氶銆?/p>
宸茬煡椋庡硳鍐呬笌鍦拌〃
鐨勯潤鍘嬪樊涓?/p>
1470Pa
锛?/p>
鍏ラ浜曠┖姘旂殑骞冲潎閲嶇巼涓?/p>
12.25N/m
3
锛?/p>
鍑洪浜曠┖姘旂殑骞冲潎閲?/p>
鐜囦负
11.75N/
m
3
锛岄宄掍腑骞冲潎椋庨�熶负
8m/s
锛屽嚭椋庝簳鍙ｇ殑骞冲潎椋庨�熶负
4m/s
锛屾眰璇?/p>
鐭夸簳鐨勯�氶闃诲姏銆?/p>
h
鍥?nbsp; 2-3
瑙ｏ細鍙?/p>
1-2
涓洪�氶绯荤粺鐨勫鏈鐐癸紝鍒欙細
0
2
P
P
S
飥?/p>
g
r
g
r
飥?
飥?/p>
飦?/p>
飦?/p>
,