This paper is a continuation of the paper presented last year, entitled "Vibration Control: New Fan Blade Tip Reduces Pulsation: (TP03-05). That paper discusses the various vibration modes that can be generated by the interaction of a fan with the air-cooled installation. It focuses in particular on the vibration of the fan stack at blade passing frequency.
04-04: Verification of the Benefits of a New Fan Blade Tip Design in a
Sander Venema, Howden Cooling Fans