Quote:
Originally Posted by Pyrorocketeer
I do realize that he isn't trying to create boost..... I was just referring to the amount of shaft speed and power it takes to create it.
can you also link me to some sites that show that harnessing the power of the rotating shaft of a turbo is an efficient way to recover energy? I'd really like to see some of these.
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See my earlier link -- or search google for a turbo-compound engine (or system) - or blow down turbine
That's the thing that's great about turbines, it doesn't take much power to generate shaft speed (you only have to overcome bearing resistance and angular momentum - weight of the rotating assembly) -- but it does take quite a bit of power to make torque.
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