adiel
Junior Member
Posts: 119
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Post by adiel on May 14, 2015 12:56:08 GMT -8
too tired to elaborate but this is very promising. the capacitor is covered with a ceramic glass and then the top of all the core is also glass. www.dropbox.com/lightbox/home/RMH |
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docbb
Junior Member
Back from ZA
Posts: 92
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Post by docbb on May 14, 2015 19:39:11 GMT -8
too tired to elaborate but this is very promising. the capacitor is covered with a ceramic glass and then the top of all the core is also glass. www.dropbox.com/lightbox/home/RMHhello your link is not working, could you check it please ? Thx Bernard |
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adiel
Junior Member
Posts: 119
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Post by adiel on May 14, 2015 21:48:18 GMT -8
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Post by independentenergy on May 15, 2015 2:50:00 GMT -8
Unfortunately I can not see the video . Only the initial image . . .
You changed the position of the second combustion air duct ?
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Post by shilo on May 15, 2015 3:44:50 GMT -8
no. the change is only external.
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Post by matthewwalker on May 15, 2015 5:02:03 GMT -8
I like it! You've refined the shapes of each stage, very cool.
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Post by DCish on May 15, 2015 16:44:25 GMT -8
This is a very helpful video. It seems to show that the effect of the double rams horn is primarily in the second riser where there is a transition from horizontal to vertical. The first chamber, even with a void above it, seems to serve mostly as a straight pass-through with little extra turbulence, other than a bit along the left side. It is so helpful seeing the flame front under glass during the burn. Thank you so much for sharing!
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Post by shilo on May 16, 2015 10:56:54 GMT -8
yes and that after the fact that we try to film at the most photogenic stage of the burn when it's look as close to ramhorns as posible.
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adiel
Junior Member
Posts: 119
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Post by adiel on Jun 11, 2015 11:27:58 GMT -8
hey all we had a very good try with matt's core. after tallking with peter we made 2 changes 1 - first port is almost csa (226 cm sq) and second one is about 75% 2 - secondarry air is two channels (12 % together) that give to the second port one from above and one from below. hope you can see this - goo.gl/photos/f5QjuQXXi3g3SiHYAhere the camera is on its head but its still amazing (although we had puls mode whitch is strange) goo.gl/photos/6Y6NcyDXVSPDjhTf7good days |
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Post by peterberg on Jun 12, 2015 2:11:18 GMT -8
Glad my advice worked out in a positive way. Fast pulse mode isn't a disadvantage per definition. Only showing when the gas speed is ramped up very high. Slow pulse mode can be a nuisance, 90% of the time the problem turns out to be a restriction somewhere downstream. Maybe the transition from the glass top to the barrel or from the barrel to the chimney? See if those openings are large enough, normally 150% of system size and when rounding a corner preferably 200%.
All according to my opinion of course.
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Post by matthewwalker on Jun 12, 2015 4:11:07 GMT -8
Fantastic! I think the glass gets etched by the fly ash, or it kind bonds to it. In every build where I expose the glass to the flame path I get the slight fogging yours is doing. I don't think it's avoidable, but....??
Very nice work you two!
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morticcio
Full Member
"The problem with internet quotes is that you can't always depend on their accuracy" - Aristotle
Posts: 371
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Post by morticcio on Jun 12, 2015 4:22:59 GMT -8
Adiel/Peter,
Great work.
You give the area of the first and second ports but no dimensions. Did you use a formula taken from the CSA to calculate the width and height of each port?
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adiel
Junior Member
Posts: 119
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Post by adiel on Jun 12, 2015 10:52:40 GMT -8
Glad my advice worked out in a positive way. Fast pulse mode isn't a disadvantage per definition. Only showing when the gas speed is ramped up very high. Slow pulse mode can be a nuisance, 90% of the time the problem turns out to be a restriction somewhere downstream. Maybe the transition from the glass top to the barrel or from the barrel to the chimney? See if those openings are large enough, normally 150% of system size and when rounding a corner preferably 200%. All according to my opinion of course. yes i think it is from the entrance to the barrel. i hope it doesn't mean the visit is canceled  |
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adiel
Junior Member
Posts: 119
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Post by adiel on Jun 12, 2015 10:55:03 GMT -8
Fantastic! I think the glass gets etched by the fly ash, or it kind bonds to it. In every build where I expose the glass to the flame path I get the slight fogging yours is doing. I don't think it's avoidable, but....?? Very nice work you two! you are the man matt. really. you just did it. didn't wait to nobody. thanks for that inspiration. |
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adiel
Junior Member
Posts: 119
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Post by adiel on Jun 12, 2015 23:13:45 GMT -8
Adiel/Peter, Great work. You give the area of the first and second ports but no dimensions. Did you use a formula taken from the CSA to calculate the width and height of each port? 1 - the core is 17 cm which means the second port is about 6*26. big question is, by the way is - now that there is a port that is without wood can we make it smaller? peter? the first one is wide to about 9 cm. 2 - i dont have testo. that is very sad. but it is hard to say concrete ideas without it. 3 - i still want to make a break in the riser and move it to above the capacitor because right now it makes the up going chimney to come out from the front. dont like it. actually there are so many options here. what i think will be the best is if each one of us will try one of them and we will all post here at the forum. |
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