Compound turbos October 22, 2011 09:00PM
Im wondering how to calculate compressor flow in a compound setup. if the primary flows 100lbs per min and the secondary flows 140lbs per min Whats the total flow?
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Re: Compound turbos October 23, 2011 12:01AM
The top turbo(s) control the flow. Any turbos under it only compress the flow more.
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Re: Compound turbos October 23, 2011 03:02PM
So what your saying is if my manifold/top charger flows 100lbs per min, that all the flow im limited too. Its just it will be at alot higher pressure than if it had atmospheric going into the inducer, Since the bottom charger will be compressing it.
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Re: Compound turbos October 23, 2011 04:52PM
No total flow available to the engine is limited by your atmospheric turbo or turbos. Your high pressure turbo or turbos just increases pressure by compounding the compression, but they can not flow more air than what they are being fed. if they did then your atmospheric turbos would be a restriction rather than an aide.
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Re: Compound turbos October 23, 2011 10:28PM
Quote
KTA
No total flow available to the engine is limited by your atmospheric turbo or turbos. Your high pressure turbo or turbos just increases pressure by compounding the compression, but they can not flow more air than what they are being fed. if they did then your atmospheric turbos would be a restriction rather than an aide.

Brian, So if I am running compounds with the pressure turbo flowing 100lbs per min and the atmospheric turbo flowing 150lbs per min, the total flow is 150lbs per min?
thanks
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Re: Compound turbos October 24, 2011 12:34PM
yep
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