Anyone have pics of how the silicon hot side is routed?
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If you people think that air flowing at that velocity through a metal pipe is going to make a damn difference in temperature it's pretty :gay:.
Transport Phenomena by BSL finally pays off. edit: (appreciable difference, obviously dependent on delT) |
The main reason Im interested in the silicone piping is because it is single piece and flexible, which would allow for easy fitment and no rubbing vibrations, I could care less about the subtle differences in thermal principles of heat dissipation/insulation and whatnot
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Originally Posted by albumleaf
(Post 447171)
If you people think that air flowing at that velocity through a metal pipe is going to make a damn difference in temperature it's pretty :gay:.
Transport Phenomena by BSL finally pays off. edit: (appreciable difference, obviously dependent on delT) Stephanie |
Originally Posted by Stephanie Turner
(Post 447304)
We have measured a drop in temps, 25 degrees, from turbo outlet to IC inlet with metal tubes. Then a 5 degree increase post intercooler to TB. The metal tubes really do work. That said, using a silicone or stainless tube post intercooler could prevent the 5 degree warm up.
Stephanie |
Originally Posted by elsdragon314
(Post 447470)
I am curious on details of this measurement. What kind of flow rate was it (at what RPM), was this a peak temperature under full load with the turbo, was there heat soak of the pipes, was this brief or did it get to a steady state? Did it fluctuate much with RPM?
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Originally Posted by Full_Tilt_Boogie
(Post 447476)
The measurments were made when vtec kicked in yo
Ok, so what I'm really getting at: flow rate and temperature delta make a huge difference in the temperatures you are going to see. Maybe the tubes themselves settle around those temperatures, but I am hesitant to accept the change in temperature of actual airflow through the tubes (at high RPM, we are talking a huge amount (figure 4 cubic feet per second or so of air, passing through a tube that probably contains something like 1/4 cubic foot of air, that needs to be heated 5 degrees in roughly 1/16th of a second between what should be very close to ambient temperature air going through that tube, and not a particularly large temperature difference vs. underhood (depends how poorly ventilated, but stagnant air doesn't conduct particularly well compared with moving)) not easy to heat all that air up 5 deg in the given time. The 25 and 5 deg obviously doesn't tell the whole story. That being said, Stephanie has actual data, and I would love it if she would share some of the details. I'm just not built to accept without more details when both my intuition and experience suggest otherwise. That being said, I've been wrong plenty of times and welcome being wrong again. |
The measurements were taken at 8psi of boost. However, Corky says that the possibility of heat soak does not exist. The metal tubes cool because it is affected by ambient temps of the air running over it. (ie. tube hanging out in the breeze). The only way to heat soak it is if the ambient air temp was the same as the heat generated by the turbo.
If the boost level was higher, the metal tubes would cool more. The difference in temperatures is greater. Corky also says that the flow rate matters little. It makes very little difference overall. He would have to explain more... Stephanie |
I think I'm going to replace my cold side simply because I blew a cold side pipe off 3 times this week.
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big deal phil, ur always blowing pipes.
:) |
Originally Posted by Stephanie Turner
(Post 447891)
The measurements were taken at 8psi of boost. However, Corky says that the possibility of heat soak does not exist. The metal tubes cool because it is affected by ambient temps of the air running over it. (ie. tube hanging out in the breeze). The only way to heat soak it is if the ambient air temp was the same as the heat generated by the turbo.
If the boost level was higher, the metal tubes would cool more. The difference in temperatures is greater. Corky also says that the flow rate matters little. It makes very little difference overall. He would have to explain more... Stephanie Are ya'll selling or going to be selling them? __________________ Best Car Insurance | Auto Protection Today | FREE Trade-In Quote |
Sure, I can sell them separately. I have several configurations of tubes. So I need to know which manifold, turbo, PWS, a/c and IC size. Just remember the IC tubes are made to fit the BEGI IC location. Some adjustment could be made, depending upon variables. Shoot me an e-mail with details and i can send photos and prices.
Stephanie |
1 Attachment(s)
Originally Posted by Stephanie Turner
(Post 449648)
Sure, I can sell them separately. I have several configurations of tubes. So I need to know which manifold, turbo, PWS, a/c and IC size. Just remember the IC tubes are made to fit the BEGI IC location. Some adjustment could be made, depending upon variables. Shoot me an e-mail with details and i can send photos and prices.
Stephanie Attachment 203818 Thanks. __________________ Best Car Insurance | Auto Protection Today | FREE Trade-In Quote |
Our IC is larger than that one also, so the tube might fit up great, or you may need to lengthen the turbo hose by an inch or so. We sell the IC outlet tube for $84.00, in mild steel. Add $35 more for Stainless tubes.
Stephanie |
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