知道喷孔直径和压力，求流量---[请教]
<STRONG><SPAN style="FONT-FAMILY: 宋体">嘴直径计算及喷嘴选择</SPAN></STRONG><P class=MsoNormal style="MARGIN-LEFT: 18pt"><SPAN style="FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US>1</SPAN><SPAN style="FONT-FAMILY: 宋体">）</SPAN><SPAN lang=EN-US><SPAN> <?xml:namespace prefix = v /><v:shape id=_x0000_i1033 style="WIDTH: 122.25pt; HEIGHT: 39.75pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image014.wmz"></v:imagedata></v:shape><IMG height=53 src="http://www.lishi.cn/images/gongshi/jisuan9.gif" width=163 v:shapes="_x0000_i1033"></SPAN> </SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 18pt"><SPAN style="FONT-FAMILY: 宋体">式中</SPAN><SPAN lang=EN-US>, <SPAN><v:shape id=_x0000_i1034 style="WIDTH: 11.25pt; HEIGHT: 14.25pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image016.wmz"></v:imagedata></v:shape><IMG height=19 src="http://www.lishi.cn/images/gongshi/jisuan10.gif" width=15 v:shapes="_x0000_i1034"></SPAN> </SPAN><SPAN style="FONT-FAMILY: 宋体">为喷嘴直径，</SPAN><SPAN lang=EN-US>mm</SPAN><SPAN style="FONT-FAMILY: 宋体">；</SPAN> <SPAN lang=EN-US><SPAN><v:shape id=_x0000_i1035 style="WIDTH: 12pt; HEIGHT: 12.75pt" o:ole="" type="#_x0000_t75" o:bullet="t"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image003.wmz"></v:imagedata></v:shape><IMG height=17 alt=* src="http://www.lishi.cn/images/gongshi/jisuan11.gif" width=16 v:shapes="_x0000_i1035"></SPAN> </SPAN><SPAN style="FONT-FAMILY: 宋体">为喷射压力，</SPAN><SPAN lang=EN-US>bar</SPAN><SPAN style="FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 48pt"><SPAN lang=EN-US><SPAN><v:shape id=_x0000_i1036 style="WIDTH: 9.75pt; HEIGHT: 12.75pt" o:ole="" type="#_x0000_t75" o:bullet="t"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image005.wmz"></v:imagedata></v:shape><IMG height=17 alt=* src="http://www.lishi.cn/images/gongshi/jisuan12.gif" width=13 v:shapes="_x0000_i1036"></SPAN> <SPAN> </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体">为喷射流量，</SPAN><SPAN lang=EN-US>L/min</SPAN><SPAN style="FONT-FAMILY: 宋体">；</SPAN><SPAN lang=EN-US><SPAN> <v:shape id=_x0000_i1037 style="WIDTH: 9.75pt; HEIGHT: 11.25pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image020.wmz"></v:imagedata></v:shape><IMG height=15 src="http://www.lishi.cn/images/gongshi/jisuan13.gif" width=13 v:shapes="_x0000_i1037"></SPAN> </SPAN><SPAN style="FONT-FAMILY: 宋体">为喷嘴个数</SPAN><SPAN lang=EN-US>.</SPAN></P>
<P class=MsoNormal style="TEXT-INDENT: 27pt"><SPAN lang=EN-US><SPAN><v:shape id=_x0000_i1038 style="WIDTH: 9.75pt; HEIGHT: 12.75pt" o:ole="" type="#_x0000_t75" o:bullet="t"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image022.wmz"></v:imagedata></v:shape><IMG height=17 alt=* src="http://www.lishi.cn/images/gongshi/jisuan14.gif" width=13 v:shapes="_x0000_i1038"></SPAN> </SPAN><SPAN style="FONT-FAMILY: 宋体">为喷嘴效率系数，对喷枪喷嘴</SPAN><SPAN lang=EN-US><SPAN> <v:shape id=_x0000_i1039 style="WIDTH: 69pt; HEIGHT: 15.75pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image024.wmz"></v:imagedata></v:shape><IMG height=21 src="http://www.lishi.cn/images/gongshi/jisuan15.gif" width=92 v:shapes="_x0000_i1039"></SPAN> 0</SPAN><SPAN style="FONT-FAMILY: 宋体">，对柔性喷杆</SPAN><SPAN lang=EN-US><SPAN> <v:shape id=_x0000_i1040 style="WIDTH: 63pt; HEIGHT: 15.75pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image026.wmz"></v:imagedata></v:shape><IMG height=21 src="http://www.lishi.cn/images/gongshi/jisuan16.gif" width=84 v:shapes="_x0000_i1040"></SPAN> </SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> </SPAN><SPAN style="FONT-FAMILY: 宋体">（</SPAN><SPAN lang=EN-US>2</SPAN><SPAN style="FONT-FAMILY: 宋体">）</SPAN><SPAN lang=EN-US><SPAN> <v:shape id=_x0000_i1041 style="WIDTH: 107.25pt; HEIGHT: 36.75pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:/WINDOWS/TEMP/msoclip1/01/clip_image028.wmz"></v:imagedata></v:shape><IMG height=49 src="http://www.lishi.cn/images/gongshi/jisuan17.gif" width=143 v:shapes="_x0000_i1041"></SPAN> </SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US> </SPAN><SPAN style="FONT-FAMILY: 宋体">式中</SPAN><SPAN lang=EN-US>, <I>Nozzle</I><SUP>#</SUP></SPAN><SPAN style="FONT-FAMILY: 宋体">为喷嘴索引号；</SPAN> <I><SPAN lang=EN-US>q</SPAN></I><SPAN lang=EN-US>: </SPAN><SPAN style="FONT-FAMILY: 宋体">流量</SPAN><SPAN lang=EN-US>, GPM (gal/min)</SPAN><SPAN style="FONT-FAMILY: 宋体">；</SPAN> <I><SPAN lang=EN-US>p</SPAN></I><SPAN lang=EN-US>: </SPAN><SPAN style="FONT-FAMILY: 宋体">压力</SPAN><SPAN lang=EN-US>, psi(lb/inch<SUP>2</SUP>)</SPAN></P>
<P class=MsoNormal><B>还有这样的算得</B><BR></P>
<P class=MsoNormal style="TEXT-INDENT: 28.3pt">ω<SUB><SPAN lang=EN-US>0<SPAN> </SPAN></SPAN></SUB><SPAN lang=EN-US style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: 仿宋_GB2312">=u（2g（P+B）/</SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">γ</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt; COLOR: black; FONT-FAMILY: 仿宋_GB2312">）^0.5</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt; COLOR: red; FONT-FAMILY: 仿宋_GB2312"><SPAN style="POSITION: relative; TOP: 14pt"><v:shapetype id=_x0000_t75 stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><?xml:namespace prefix = o /><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape id=_x0000_i1025 style="WIDTH: 65.25pt; HEIGHT: 36.75pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:\DOCUME~1\wxm1\LOCALS~1\Temp\msohtml1\01\clip_image001.wmz"></v:imagedata></v:shape><!----><!----></SPAN><o:p></o:p></SPAN></P><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">上式<SPAN lang=EN-US>g=<?xml:namespace prefix = st1 /><st1:chmetcnv w:st="on" unitname="米" sourcevalue="9.82" hasspace="False" negative="False" numbertype="1" tcsc="0">9.82<SPAN lang=EN-US><SPAN lang=EN-US>米</SPAN></SPAN></st1:chmetcnv>/</SPAN>秒<SUP><SPAN lang=EN-US>2</SPAN></SUP>，</SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">γ</SPAN><SPAN lang=EN-US style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">=<st1:chmetcnv w:st="on" unitname="公斤" sourcevalue="1000" hasspace="False" negative="False" numbertype="1" tcsc="0">1000<SPAN lang=EN-US><SPAN lang=EN-US>公斤</SPAN></SPAN></st1:chmetcnv>/</SPAN><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">米<SUP><SPAN lang=EN-US>3</SPAN></SUP>（水的比重），<SPAN lang=EN-US>B</SPAN>为当地大气压，由于它远小于清洗水压力<SPAN lang=EN-US>P</SPAN>，可略去不计</SPAN>
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<P class=MsoNormal style="TEXT-INDENT: 31.5pt"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">∑<SPAN lang=EN-US>Q<SUB>0</SUB>=1.2</SPAN>×<SPAN lang=EN-US>10</SPAN><SUP>－<SPAN lang=EN-US>6</SPAN></SUP><SPAN lang=EN-US>n</SPAN>·π<SPAN lang=EN-US>R<SUB>0</SUB><SUP>2</SUP></SPAN>ω<SUB><SPAN lang=EN-US>0<SPAN> </SPAN></SPAN></SUB><SUB><SPAN lang=EN-US><SPAN></SPAN><o:p></o:p></SPAN></SUB></SPAN></P><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 仿宋_GB2312">式中，∑<SPAN lang=EN-US>Q<SUB>0</SUB></SPAN>：每只清洗喷咀所用的流量（吨<SPAN lang=EN-US>/</SPAN>秒）；<SPAN lang=EN-US>n</SPAN>：清洗喷咀的小孔数；<SPAN lang=EN-US>R<SUB>0</SUB></SPAN>：清洗喷咀小孔半径（毫米）；ω<SUB><SPAN lang=EN-US>0<SPAN> </SPAN></SPAN></SUB>：清洗喷咀小孔射流的出口速度（米<SPAN lang=EN-US>/</SPAN>秒）。</SPAN>
<P class=MsoNormal><B>小弟不知道该用哪个算 </B><BR><SPAN lang=EN-US></SPAN></P> 楼上纸做那种喷嘴啊？你喷嘴直径压力分别是多少啊？
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