I am required to design a low noise solenoid. It is a tubular solenoid stroke is about 0.2 mm. On opening the armature hits the stop. Both are flat. Coating the surfaces can reduce noise, but the durabilty is not good, and it is questionable if the coating just reduces the force by...
I have a design project for an aircooled engine. There is some impact on the cylinder head which transmits thoughout the engine. Is there a better material than aluminium for damping vibration, or an alloy of aluminium.
Has anyone tried curving the cooling fins to stiffen and reduce radiation?
