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</gourl2><NodeID>1410</NodeID><Title>一组创新流体力学小实验</Title><SoftSize>0.00</SoftSize><SoftSizeUnit>B</SoftSizeUnit><SoftSize>0.00</SoftSize><SoftSizeUnit>B</SoftSizeUnit><typeicon>other</typeicon><editor>czwlzx</editor><author>李祖恩</author><user>czwlzx</user><userface>/UploadFiles/UserPic/UserAvatars/15219_150_150.jpg</userface><Hits>
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   </Stars><Author>李祖恩</Author><infopoint>0</infopoint><Keyword>一组,创新,流体力学,小实验</Keyword><CopyFrom>原创</CopyFrom><SoftType></SoftType><CopyrightType></CopyrightType><DecompressPassword></DecompressPassword><OperatingSystem></OperatingSystem><UpdateTime>2007年01月26日</UpdateTime><RegUrl></RegUrl><DemoUrl /><DefaultPicUrl>/UploadFiles/wldekt_UploadFiles_3742/200701/20070126213555273.jpg</DefaultPicUrl><Intro>
1 吹气成“雾”
将一小段细玻璃管在酒精灯火焰上烧软后弯成V形，成一连通器(也可采用透明细塑软管弯制)</Intro><SoftIntro2>
1 吹气成“雾”
将一小段细玻璃管在酒精灯火焰上烧软后弯成V形，成一连通器(也可采用透明细塑软管弯制)，在里面装上色水。可看到连通器内的水柱在静止时两边液面平齐(成一小压强计)。实验时用一段玻璃管(其它空心细管也行)对着V形玻璃管的a端吹气。由于a端玻璃管口的空气流速大，压强小，在大气压的作用下，V形管的水柱向a端移动(可看到V形管里a端水面明显高于b端)。如果使劲吹，则可看到a端玻璃管口有细水珠(“雾”)喷出，如图1所示，并可将V形管里的水全部吹完。此实验可说明喷雾器的原理。

&lt;S</SoftIntro2><SoftIntro>
    【内容简介】
1 吹气成“雾”
将一小段细玻璃管在酒精灯火焰上烧软后弯成V形，成一连通器(也可采用透明细塑软管弯制)，在里面装上色水。可看到连通器内的水柱在静止时两边液面平齐(成一小压强计)。实验时用一段玻璃管(其它空心细管也行)对着V形玻璃管的a端吹气。由于a端玻璃管口的空气流速大，压强小，在大气压的作用下，V形管的水柱向a端移动(可看到V形管里a端水面明显高于b端)。如果使劲吹，则可看到a端玻璃管口有细水珠(“雾”)喷出，如图1所示，并可将V形管里的水全部吹完。此实验可说明喷雾器的原理。

<S</SoftIntro><SoftIntroEncode>
1 吹气成“雾”
将一小段细玻璃管在酒精灯火焰上烧软后弯成V形，成一连通器(也可采用透明细塑软管弯制)，在里面装上色水。可看到连通器内的水柱在静止时两边</SoftIntroEncode><special /><DownloadUrl></DownloadUrl><Content>&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;
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&lt;P class=MsoNormal style="MARGIN: 7.8pt 0cm; TEXT-INDENT: 22pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-para-margin-top: .5gd; mso-para-margin-right: 0cm; mso-para-margin-bottom: .5gd; mso-para-margin-left: 0cm"&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;将一小段细玻璃管在酒精灯火焰上烧软后弯成&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形，成一连通器&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;也可采用透明细塑软管弯制&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;，在里面装上色水。可看到连通器内的水柱在静止时两边液面平齐&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;成一小压强计&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;。实验时用一段玻璃管&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;其它空心细管也行&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;对着&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形玻璃管的&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端吹气。由于&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端玻璃管口的空气流速大，压强小，在大气压的作用下，&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形管的水柱向&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端移动&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;可看到&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形管里&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端水面明显高于&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;b&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;。如果使劲吹，则可看到&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端玻璃管口有细水珠&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;“雾”&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;喷出，如图&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;1&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;所示，并可将&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形管里的水全部吹完。此实验可说明喷雾器的原理。&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/SPAN&gt;&lt;/P&gt;
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LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;，在里面装上色水。可看到连通器内的水柱在静止时两边液面平齐&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;成一小压强计&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;。实验时用一段玻璃管&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;其它空心细管也行&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;对着&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形玻璃管的&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端吹气。由于&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端玻璃管口的空气流速大，压强小，在大气压的作用下，&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形管的水柱向&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端移动&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;可看到&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形管里&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端水面明显高于&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;b&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;。如果使劲吹，则可看到&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;a&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;端玻璃管口有细水珠&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;(&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;“雾”&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;)&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;喷出，如图&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;1&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;所示，并可将&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;V&lt;/SPAN&gt;&lt;SPAN style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"&gt;形管里的水全部吹完。此实验可说明喷雾器的原理。&lt;/SPAN&gt;&lt;SPAN lang=EN-US style="FONT-SIZE: 11pt; LINE-HEIGHT: 150%"&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/SPAN&gt;&lt;/P&gt;
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