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  • Users: Turbinator
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  1. Turbinator

    Rotary Engine Volume Flow Calculation

    I know how to calculate the volume flow of a 4-stroke piston engine, Engine Speed x Displacement x Volumetric Efficiency / 2. How can a similiar calculation be done for a Wankel engine? I've read the previous topics on this board and scoured Google but came with no satisfactory results.
  2. Turbinator

    Low-Temperature Catalyst potential?

    A big obstacle for increased performance in IC engines is the need for the exhaust temperature to be high enough for the catalytic converter to operate. Because of this, we have California emmissions-compliant cars with 8.X:1 compression ratios, and the near extinction of turbocharged gasoline...
  3. Turbinator

    Intercooling a Pos.Displacement blower, effect on boost?

    Running some calculations, it looks like putting an intercooler after a positive displacement supercharger will result in lower pressure after the blower, all else being equal (vs. non-intercooled). My reasoning is that the blower alone is what determines the mass air-flow into the engine...
  4. Turbinator

    Knock Threshold Theory

    I posted this in the combusion/detonation forum but the last post there is a week old: For a turbocharged engine: What is the relationship between the knock threshold and air pressure? My question is related to running the maximum amount of boost on pump gasoline. I know that as air...
  5. Turbinator

    Autoignition Threshold Theory

    For a turbocharged engine: What is the relationship between the knock threshold and air pressure? My question is related to running the maximum amount of boost on pump gasoline. I know that as air temperature increases, so does the tendency for engine knock. Independent of temperature, does...

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