[SIZE="3"]Say the fan is put in a tube which have the same size of it, then we trapped the tube before this fan, that no new air can be drawn.
Would the motor have less load (then the Amber of the fan motor will decrease) or the motor would be heated?
I.e: Would the load increase or decrease and...
[SIZE="3"]Hi every body..
Say you trapped the drag tube before a fan, what would happen then?
Will the Amber decrease?
Will the motor be heated ?
Why?
Please I need reasonable replies ..
Maybe I couldn't understand your question well, but the main reason for losses is the friction that you talk about,because we can't completely get rid of it, also the expansion of the cylinder is less than the expansion of the piston.
http://www.arb-up.com/files/arb-up-2008-6/39s66849.jpg