|
|
马上注册，结识高手，享用更多资源，轻松玩转三维网社区。
您需要 登录 才可以下载或查看，没有帐号？注册
x
遇到如下问题不知该如何计算: A& [& \8 V. T9 y4 W, U0 q8 T
请达人指教
. P& x6 P* h3 j4 Phave some requests more about needle valves :/ }6 h6 j2 {: |1 y _9 x+ [
1 S. d7 u5 C8 h+ ~
1 – What is the hole diameter the needle valves needs for a flow rate of 2500 litres/hour with a pressure of 4.2 bars.6 Z7 r: t% m' s% p6 k" w9 _
7 J" H3 E( Z6 f/ s4 f: t* E
T: U! h" |- W( j6 x2 – what is the flow rate for a hole diameter of 6.8mm with a pressure of 4.2 bars
1 S. ^8 ^/ m! C+ ~" W what is the flow rate for a hole diameter of 8mm with a pressure of 4.2 bars4 ]" h, |$ U: J" ^
( a" g# ?' V" b% y' H
6 K" M) j: @# \3 o) z9 \9 f
( [, C* `. o8 R! N* I1.压力为4.2BAR，CV值是2500L/H的情况下，孔径是多少。
7 `8 z! n3 l5 O& O( C6 F. n0 n" H: r! x+ N, ~& V
2．压力为4.2BAR，孔径为6.8MM，CV值是多少. I: y |0 w$ V/ g
& R M. C" H* q 压力为4.2BAR，孔径为8MM，CV值是多少
8 D8 u: H$ E' d: Q
" D; P2 M$ U. k% }9 i[ 本帖最后由 userkypdy 于 2007-3-20 19:52 编辑 ] |
|
发表于 2006-4-25 17:47:12