I'm trying to calculate, or even understand what data do i need to calculate the CFM of a ceiling fan. in many countries this is a given data in the product details but not where I'm from. I have the following info speed=190 cycles/min, blades diameter = 52 inch, power = 35W, room size ~215 cf, num of blades = 3 , distance from ceiling (lets say a constant variable), and the shape they have is rather complicated to describe - starts in the middle of the blade (circle center) as vertical to the floor and by the the end , the blade is parallel to the floor (photo attached). can you suggest how to calculate the cfm, maybe by neglecting some of the less important parameters..?enter image description here


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