Recent content by hosaf

  1. H

    Undergrad How Can Air Throw Distance for Fans Be Calculated?

    Thanks for your intertest. As you motioned that formula given by Hartzellan Co. for only their Fans. I try to calculate with Newtons First Laws (Motion in One Dimension or Two Dimension). But I need coefficient of friction between air and air.
  2. H

    Undergrad How Can Air Throw Distance for Fans Be Calculated?

    My idea about that; 0=ma-cv^2. But I am not sure it. m:mass air rate a:acceleration c:constant v:velocity you can find cv^2 in http://www.sciforums.com/showthread.php?t=58458
  3. H

    Undergrad How Can Air Throw Distance for Fans Be Calculated?

    Hello Everybody. I have a problem. I study calculate air throw distance for FANs. How can I calculate it? So I have some data below. Fan Diameter Volumetric flow rate (m^3/h) Temperature RPM Power Please send me note or documents If you have any. Thanks for your help.