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Originally Posted by Paco
You seem to know quite a lot about the subject already, so what are you really looking for?
- How they got to validate the high emission standards?
- How the sequential process works exactly (which turbo kicks in when)?
- How the turbos spool up and how fast?
- Which kind of ram-air technology they use for the turbo?
Be more precise pls.
I have to add that I'm no tech-nerd  but just theoretically interested in such matters. |
To be honest im not too sure on what im looking for!
ops: I hope to find out from my supervisior in more detail what he is after from my review. But in requesting information from all you guys, with every document posted i am learning more and more. Yes i do know quite a bit about it already, but i am not entierly sure on the mechanics of the switchover between the turbo's and eliminating boost drop in the change-over process.
Also, with the very limited exhaust gas flow at such low RPM's and low combustion temps (to reduce NOx) i am interested in the turbine technology employed to harness this relatively small amount of energy, and the way that a small turbo can provide the boost required for the low end torque that the sequential system provides.
I am unsure of how much 'lag' in a tubo is the actuall acceleration of the shaft, turbine and compressor, and how much is to do with the actual turbine design. Ie is the RPM when a turbo spools up determined entirely by the moment of inertia of the rotating componants of the turbo, or the turbine design (if so what elements of turbine design).
Thankyou for the opel information wutputt, i think that is the system that was developed by ricardo that i have some information on. It is interesting to see it in a more specific application. Cheers
Deth: i'll look into that, thanks.
jon_s: No you really dont!!!
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