THANKS FOR YOUR VIDEO. IT FINALLY SANK IN MY MIND.
@tiesiewli21812 жыл бұрын
May I know how to find hydraulic diameter for wavy inner tube?
@heeyoon60992 жыл бұрын
Thank you for your vidoe. By the way, For the rectangular duct, if it has a wall thickness "t", should I have to calculate right this ? Dh = 4*(w-t)*(h-f)/(2W+2h-2f)?