I'm trying to understand why some say that on the same exact engine a turbocharger which has a high flow capacity at a relatively low pressure ratio actually flows more air than a supercharger at the same boost level? I understand how it can produce more power as other variables come into play. I understand that the pressure/density is generated in different manners (internal vs external compression) and this affects the volumetric and thermal efficiencies. However, everything else being equal (air temps in the manifold via intercooling, pressures, etc), how do you explain this statement?
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