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  1. tmorgan4

    Turbocharger compressor maps

    Hi, I am having a difficult time wrapping my head around a question regarding turbocharger compressor maps. If anyone could provide an explanation it would be very much appreciated! Turbocharger compressor maps essentially plot 4 variables on a 2D plot - mass flow, pressure ratio, rotor...
  2. tmorgan4

    Damping constant issue using English units

    Thank you both for the replies. I'm looking into the above suggestions at the moment. The reason for attempting to use lbm instead of slugs was due to a suggestion made in this document: http://www.rotorlab.me.vt.edu/Unitsformass_2004_SS.pdf I'm working on a problem where units of length are...
  3. tmorgan4

    Damping constant issue using English units

    I'm likely making a dumb mistake but I'm having issues coming out with the correct units for damping constant in US units. The confusion likely lies in the conversion between lbm and lbf but I can't seem to figure it out. In a damped vibration system the critical damping constant Cc has...

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