tag:blogger.com,1999:blog-8604042776942832369.post6017893066896359953..comments2024-02-03T17:13:28.557-08:00Comments on Going's on of Otto's Pastimes: DIY Homemade Ranque-Hilsch Vortex Cooling TubeOtto Beldenhttp://www.blogger.com/profile/01216660670383308620noreply@blogger.comBlogger32125tag:blogger.com,1999:blog-8604042776942832369.post-12601760161351025082012-08-14T07:23:04.145-07:002012-08-14T07:23:04.145-07:00air conditioning utah,
Thanks!
Ottoair conditioning utah,<br /><br />Thanks!<br /><br />OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-32305112095359259032012-08-09T02:01:15.238-07:002012-08-09T02:01:15.238-07:00Homemade you say? Amazing job otto. loved itHomemade you say? Amazing job otto. loved itair conditioning utahhttp://www.gcair.comnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-5138916870469513902012-05-17T09:51:41.529-07:002012-05-17T09:51:41.529-07:00Awesome job Otto! I appreciate the very fine "...Awesome job Otto! I appreciate the very fine "make shift" engineering to make a quite sophisticated instrument.<br /><br />For experimenting, I think I will try not gluing the cold side tube into the coupling to give access to changing the "restriction washer". Maybe I will use tape to secure the cold side tube in place.<br /><br />Thanks for sharing Otto, great job.<br /><br />Filter<br />.Filternoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-24175812806562728412011-07-01T11:02:38.092-07:002011-07-01T11:02:38.092-07:00Thanks again! Will update you as soon as I get som...Thanks again! Will update you as soon as I get some plans ready! Thanks!Omarnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-71503978017947732512011-07-01T08:13:40.222-07:002011-07-01T08:13:40.222-07:00Omar,
If your compressor can maintain that flow at...Omar,<br />If your compressor can maintain that flow at the pressure you mentioned I think you'll be OK.<br />This is a guesstimate but I wouldn't go any bigger than 0.5" inner diameter on the tube. I would start with two inlet holes 0.31" diameter to start with and see what happens. Be able to open the holes up a little after testing it. Commercial vortex tubes running near what your compressor can do (100psi / 8 SCFM) can achieve 400BTU/hr.<br />I think you will have good results for spot cooling once you get the tube built. If you take some pictures of diagrams of what you build I'd be interested in seeing them! email me!<br />As always be careful with compressed air, use clean dry air in the tube for best results and to avoid the tube getting clogged. Wear eye protection etc...<br /><br />Good Luck! I'm looking forward to seeing what you build!<br /><br /> - OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-4652943486576635772011-07-01T02:34:13.644-07:002011-07-01T02:34:13.644-07:00If I'm not mistaken I think the compressor is ...If I'm not mistaken I think the compressor is capable of pumping 257L/min of air.<br /><br />I am trying to build a vortex tube for use in the machine shop, where we can cool hot metal objects.<br /><br />Thanks again! :)Omarnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-48785029180420598772011-06-30T17:28:19.729-07:002011-06-30T17:28:19.729-07:00Omar,
That's probably enough pressure for a 3/...Omar,<br />That's probably enough pressure for a 3/4" tube, but what is the flow rate the compressor can maintain? The flow rate is what always got me when building larger tubes I could get a high pressure but a compressor that can deliver the pressure and keep up the flow rate at the same time was a problem.<br />Have a look at this post I did here if you haven't already for general questions:<br />http://ottobelden.blogspot.com/2011/06/homemade-ranque-hilsch-vortex-cooling.html#more<br /><br />What are you trying to do with the vortex tube? What are you trying to cool? A smaller diameter tube might be OK for what you are doing.<br />Thanks for checking out my blog!<br /> - OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-64763275565390357252011-06-30T15:44:30.534-07:002011-06-30T15:44:30.534-07:00Hi, I am now able to use a larger compressor, a Be...Hi, I am now able to use a larger compressor, a Bebicon 2HP compressor (6-10kg/cm^2). Do you think I can now use a larger pipe for the vortex tube? Like a 3/4" or 1' pipe? Thanks!Omarnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-84018884719687372712011-06-24T23:38:47.845-07:002011-06-24T23:38:47.845-07:00Omar,
No problem, if you send me some pictures or...Omar,<br /><br />No problem, if you send me some pictures or a sketch of what you built maybe I can help with some suggestions.<br />ottobelden@yahoo.com<br />Thanks for checking out my blog!<br /> - OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-3775158948535539182011-06-24T19:24:21.397-07:002011-06-24T19:24:21.397-07:00Thanks! I have tried making one, with 1/2" pi...Thanks! I have tried making one, with 1/2" pipe, but in the initial test, it didn't work. I think I had some mistakes with the chamber. I think it's with the inlet holes and the orifice. Will have to check it again, or make a new one. Thanks!Omarnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-34681391977790145292011-06-24T10:27:24.690-07:002011-06-24T10:27:24.690-07:00Omar,
Thanks for checking out my blog!
I think tha...Omar,<br />Thanks for checking out my blog!<br />I think that 80psi will work if the tube is smaller than the one in this post. Have a look at this post about a smaller tube I made:<br /><br />http://ottobelden.blogspot.com/2010/12/another-home-made-ranque-hilsch-vortex.html<br /><br />The flow rate of air is really important and usually what prevents the tube from working. Being able to keep up around 80psi with such high flow requires a big compressor. For this tube I used a big industrial compressor, unfortunately I don;t have a way to measure flow rate :-(<br /><br /> - OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-36689639984614691682011-06-24T09:32:49.540-07:002011-06-24T09:32:49.540-07:00What type of compressor were you using? I have a 1...What type of compressor were you using? I have a 1/4 hp compressor that can reach 70-80 psi. Is this alright for a Vortex Tube? Thanks!Omarnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-61099933272885319682011-05-22T21:02:38.151-07:002011-05-22T21:02:38.151-07:00Abhay,
Good luck with your project, if there is an...Abhay,<br />Good luck with your project, if there is anything that I can do to help let me know. You can email me at ottobelden@yahoo.com<br />Please be careful with compressed air, wear eye protection and take precautions.<br />I'm interested to hear how well your vortex tube works. Send some pictures if you can!<br /> - OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-36899800008371928752011-05-22T19:28:01.110-07:002011-05-22T19:28:01.110-07:00thank you so much Otto for the quick response to t...thank you so much Otto for the quick response to the query. yes i do like to try make an experimental vortex tube at home sometime with a few modifications at the cool end to mix two air flows to increase flow rate on the cold side. not attempted anything this before just because of curiosity of cooling a small chamber inside the room/house.<br /><br />thanks again for ur kindness and help would go through the links also that u've provided.<br /><br />cheers,<br />=Abhay(India)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-16684285699275235742011-05-19T06:55:30.257-07:002011-05-19T06:55:30.257-07:00Abhay,
Thanks for the compliment, I'm glad you...Abhay,<br />Thanks for the compliment, I'm glad you find my blog useful. I don't know what the inlet and outlet pressures or flow rates were with this tube.<br />I built a smaller tube not too long ago:<br /><br />http://ottobelden.blogspot.com/2010/12/another-home-made-ranque-hilsch-vortex.html<br /><br />That tube had better results and I was able to take better measurements of inlet temp/pressure and outlet temps. I don't have a rotameter to measure flow rates :( and measuring the pressure of the outlets might cause back pressure and mess with the performance? Not sure...<br />Are you building a vortex tube? I'd be interested in seeing it. Check out my other post linked to above and let me know if you have any questions!<br />Thanks again,<br /> - OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-88946119864869613232011-05-19T00:55:15.899-07:002011-05-19T00:55:15.899-07:00Otto, thanks for the wonderful job and details. ma...Otto, thanks for the wonderful job and details. may i know what were the inlet(compressed air) and outlet(cold and hot exit side) pressure and temperatures, if u've measured it for various valve open settings.<br /><br />-AbhayAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-1956160365535004342010-10-27T07:19:06.744-07:002010-10-27T07:19:06.744-07:00Hello Theo,
The Cone Block" I made on my home...Hello Theo,<br />The Cone Block" I made on my homemade wood lathe. I don't think it has to be a cone shape, a dull point or disk will work.<br />On the right near the top of my blog under "Sites I like" is a link to "DIY Vortex Tube Info!" that site has a TON of info - check out the links he has there. Did you watch my videos as well? What kind of compressor do you have? I'll send you an email... comments are OK too!<br />Good Luck with the project!<br />-OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-46790135826204800032010-10-26T12:39:53.057-07:002010-10-26T12:39:53.057-07:00Hey Otto,
I'm a French science studient and I ...Hey Otto,<br />I'm a French science studient and I chose vortex tube as my project for this year.<br />First I would like to thank you for all your details, it's a pleasure to see how you're involved in this How To article.<br /><br />I think you're going to receive a lot of messages from me as I plan to build my own vortex tube.<br /><br />In order not to take any risk, I'll use exactly your dimensions.<br />So my first question is : where did you find your cone block ? Is it homemade ? Sorry if it is said in the text, actually I don't get the whole of your explanations.<br />Would you please take my e-mail so that your blog is not flooded by my posts ? <br />My address : theo.mathurin@gmail.com<br />Theo.Unknownhttps://www.blogger.com/profile/03387080137983024659noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-66647082229074115972010-09-08T16:48:40.979-07:002010-09-08T16:48:40.979-07:00Sparky,
I used a compressor at work to get the be...Sparky,<br /><br />I used a compressor at work to get the best results. I don't know what the total flow was but the pressure at my work max is 135psi. I don't remember if I put that much in - be careful!<br /><br />OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-44057888411782261532010-09-06T22:10:51.758-07:002010-09-06T22:10:51.758-07:00for the one you made, how much compressed air pres...for the one you made, how much compressed air pressure do i need to get it to work properly? we use about 90 PSI low pressure air @ work. is this enough?sparkynoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-43672643546749572912010-09-03T07:23:49.367-07:002010-09-03T07:23:49.367-07:00I'm glad you enjoyed them!!I'm glad you enjoyed them!!Otto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-35903567170280484072010-09-02T03:49:18.985-07:002010-09-02T03:49:18.985-07:00Just watched your videos - thanks for sharing your...Just watched your videos - thanks for sharing your information! :-)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-87191768491401450672010-09-01T17:36:43.779-07:002010-09-01T17:36:43.779-07:00kokok sparky,
For sure check out the PDF I linked ...kokok sparky,<br />For sure check out the PDF I linked to above in Table 1 they have ratios of dimensions that should help if you are going to scale your tube down to a smaller size or up to a bigger size.<br />Another thing I have been thinking about trying is making the 'valve' at the hot end less pointy - with more of a flat on the tip instead of coming to a sharp point. Might give better results.<br />Cheers,<br />OttoOtto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-91100204958874962772010-09-01T17:14:04.223-07:002010-09-01T17:14:04.223-07:00kokok sparky,
I'm glad that the videos help yo...kokok sparky,<br />I'm glad that the videos help you! Yes the dimensions of everything are important at least relative to each other. There are suggested ratios to follow but nothing is really "for sure". You can make the lengths shorter but also make the chamber smaller and the tubes smaller in diameter in other words. Vortex tubes make both hot and cold air and they don't make much of each relative to how much air you put in them - and you have to put in a lot of air - and I mean A LOT of air.<br />Building a small one might give better results and usually these are used for "spot cooling" in welding and machinery like cooling small areas. Not sure how well it will work for what you want but give it a try and let me know! Vortex tubes are also really noisy.<br />I recommend you read everything on this link:<br />http://vortex.etailcentral.com.au/index.html<br />And read this PDF:<br />http://www.thaiscience.info/Article%20for%20ThaiScience/Article/3/Ts-3%20investigation%20on%20the%20vortex%20thermal%20separation%20in%20a%20vortex%20tube%20refrigerator.pdf<br />Good luck and let me know how it works out for you!Otto Beldenhttps://www.blogger.com/profile/01216660670383308620noreply@blogger.comtag:blogger.com,1999:blog-8604042776942832369.post-89009876153643174982010-09-01T15:53:25.001-07:002010-09-01T15:53:25.001-07:00otto, are there any significance on the length of ...otto, are there any significance on the length of the hot/cold tube? will the cold air be reduced if it's shorter than what you have in your instructions?kokok sparkynoreply@blogger.com