Quote:
Originally Posted by stovie
I really don't care about BTU's and all that.
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I think that might possibly be the underlining disconnect / breakdown in communication .. I don't see the benefit in trying to avoid the energy (BTUs) part of the topic.
BTU's , Joules, Wh , etc .. are units of energy.
Energy is the capacity to do work .. any kind of work.
Heat the air = a type of work
Heat the engine = a type of work.
Move the piston = a type of work.
Move air in the piston = a type of work.
Turn the shaft = a type of work.
Move the car = a type of work.
Make sound = a type of work.
etc... etc.
If you are talking about or thinking about .. the ability to do work .. any type of work .. you are talking about energy .. weather you intended to be or not... weather you like thinking about energy or not .. that is what is being described.