Register
•
Search
•
FAQ
•
Memberlist
•
Usergroups
•
Galleries
•
Log in
Jetmen Revival downloads Forum Index
»
Jetmen Revival Downloads
Post a reply
Username
Subject
Message body
Emoticons
View more Emoticons
Font colour:
Default
Dark Red
Red
Orange
Brown
Yellow
Green
Olive
Cyan
Blue
Dark Blue
Indigo
Violet
White
Black
Font size:
Tiny
Small
Normal
Large
Huge
Close Tags
Add image to post
Options
HTML is
OFF
BBCode
is
ON
Smilies are
ON
Disable BBCode in this post
Disable Smilies in this post
Confirmation code: *
All times are GMT + 2 Hours
Jump to:
Select a forum
----------------
JETMEN ONLINE
Jetmen Revival
----------------
Jetmen Revival Downloads
Links
Graphics
Music
Other games
Topic review
<table cellpadding="3" cellspacing="0" width="100%" class="forumline"> <thead> <caption><table border="0" cellspacing="0" cellpadding="0" width="100%" class="forumheader"> <tr> <td align="left" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_left.gif" width="25" height="27" alt="" /></td> <td align="center" class="forumheader-mid">Topic review</td> <td align="right" valign="bottom" width="25"><img src="http://picsrv.fora.pl/AcidTechTiger/images/hdr_right.gif" width="25" height="27" alt="" /></td> </tr></table></caption> </thead> <tbody> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>lompiacv</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/AcidTechTiger/images/post_old.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Sat 9:59, 11 Dec 2010<span class="gen"> </span> Post subject: stivali ugg New structure of the jet flow of the e</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">New structure of the jet flow of the experimental study <br /> <br /> <br />Chi is the fluid oscillation flow meter of important performance parameters. 34 Figure 1 c, experimental procedure and experimental analysis of the experimental jet designed flowmeter is characterized by the structure set up a semi-circular streaming split. To divert fluid into a circular arc wedge, fluid arcs to generate the tangential velocity, tangential velocity induced in the fluid itself constantly rotating vortex zone appears, the vortex areas on the stability of Wall Jet Post with very favorable. It plays a stable shunt, stable adhesion, and enhance the feedback signal,<a href="http://www.stivaliuggboots.com" target="_blank">stivali ugg</a>, reducing the role of head loss. In the oscillating device, respectively, the two feedback channels open pressure taps, pressure taps are connected to both ends of the piezoelectric sensor, by AD data acquisition card connected to the computer, the application software to measure the fluid oscillation frequency oscilloscope. Piezoelectric sensor sensing the pressure oscillation generated alternating alternating voltage waveform by recording the oscilloscope software. And 3 with MATLAB data processing software to analyze the power spectrum. Experimental water and air as the working medium of the jet flow meter performance testing. Water from municipal water supply network water supply. The measured water temperature is 14.8 ℃, adjust the valves change the flow of water flow in the 0.04 × 10-3IT1/s--0.44 × 10-3m3 / s in the range of adjustment. Figure 2 by the water flow can be seen as a function of frequency, flow and frequency was a good linear relationship, linearity is good. Figure 3 shows the Strouhal number S ? a function with the Reynolds number Re, can be seen that within the entire measurement range of the number of S ? is only 0.0048 - 0.0055 between the small fluctuations that the number of S ? is a constant. Experiment, the range ratio of 10:1, the measured minimum Reynolds number 2600, can solve the low Reynolds number flow measurement, we can see from the characteristics of these components, a higher Reynolds number flow is measured The same applies, and the jet flow of a wider range than can be done to achieve the high ceiling of the range. 15_v12963O Figure 2OX10 '(m3 / s) Figure 3 experiment to test the performance of air as the medium. Air temperature is 26 ℃, by a high pressure air (performance parameters: Displacement 130m0 / h, discharge pressure 13kPa, the motor speed 2850r/min, power 750W, voltage 380V) supply. Change the flow regulating valve, air flow in the 3.0m3An ~ 9.9m3 / h within the range of adjustment, the frequency range of 27Hz ~ 90Hz (see Figure 4). Figure 4 shows the frequency of air flow and was a good linear relationship. Figure 5 shows the Strouhal and the Reynolds number Re S ? function, S ? the number of only 0.0048 - 0.0055 fluctuated between the number that S ? is a constant. 3:1 scale experiment, the measured minimum Reynolds number 38000. Measured by repeated experiments, the relative error of experimental results, in a wide flow range can be maintained at the l% to 4. Figure 4 Figure 5S ? 0.006000550.005000450.004 maintained at a constant plus or minus 0.0052. That this new structure from the vibration meter is stable, the oscillation effect is quite good. IV, Conclusion 1. Experiments show that the structure of the range than the width of the jet flow. For clean fluids, can also be used to resolve small flow and high viscosity of the fluid measurement, frequency and flow rate showed a good linear relationship. This meter no internal moving parts,<a href="http://www.toryburchsaler.net" target="_blank">tory burch sale</a>, long life and reliability. 2. Spending components of the head loss is an important indicator of the flow meter, the meter's structure is conducive to the feedback signal to the flow in a wide range of produce stable oscillation, but the pressure loss to be bigger, therefore, reasonable structure and size selection The jet flow is critical. 3. Transmission fluid jet pipe flow by reason of vibration or other relatively large,<a href="http://www.stivaliuggboots.com" target="_blank">ugg italia</a>, these vibrations,<a href="http://www.stivaliuggboots.com" target="_blank">ugg stivali</a>, if the work has a certain frequency, the vibration transmitted from the sensors on the pipeline will affect the actual measured signal. Therefore, the earthquake of such jet flow is poor, does not apply to vibration and electromagnetic interference such as the strong pipeline of occasions. References [1] Zhao Hanchen. Uses a wide range of fluidic flowmeter. Automation Instrumentation, 2001,22 (9) [2] Yu Xiao Yang, Guo Hua. Jet oscillator flowmeter. Scientific Instrument, 1998,<a href="http://www.stivaliuggboots.com" target="_blank">ugg prezzo</a>,18 (4) [3] RFBoucher. Minimumflowoptimizationoffluidicflowmeters. Meas. sci. techno1.6 (1995) 897 ~ 879 the amount of pad QQ: 璺 <br /> <br />相关的主题文章： <br /> <br /> <br /> <a href="http://www.createphpbb.com/dbrpgnet/viewtopic.php?p=123600&mforum=dbrpgnet#123600" target="_blank">tory burch Flocculent material of the quasi-static</a> <br /> <br /> <a href="http://www.gyabc.com.cn/club/space.php?uid=18012&do=blog&id=91795" target="_blank">stivali ugg Improve the measurement accuracy of op</a> <br /> <br /> <a href="http://www.80666.net/space.php?uid=6692&do=blog&id=92920" target="_blank">ugg prezzo Thermal-magnetic oxygen analyzer measur</a></span></td> </tr> </table></td> </tr> <tr> <td colspan="2" class="spaceRow"><img src="http://picsrv.fora.pl/AcidTechTiger/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </tbody> </table>
fora.pl
- załóż własne forum dyskusyjne za darmo
Powered by
phpBB
© 2001, 2005 phpBB Group
Design by
Freestyle XL
/
Music Lyrics
.
Regulamin
