Apr 13, 2005 #1 Kam999 Chemical Joined Jun 17, 2001 Messages 21 Location CA Just wanted to confirm if a simple ratio ( old delta p / new delta p ) can be used to prorate the pressure drop in a line for a new flowrate. new dp = ( Q2 / Q1 ) * old dp. Thanks
Just wanted to confirm if a simple ratio ( old delta p / new delta p ) can be used to prorate the pressure drop in a line for a new flowrate. new dp = ( Q2 / Q1 ) * old dp. Thanks
Apr 14, 2005 #2 kcj Mechanical Joined Apr 2, 2003 Messages 271 Location US No, only the electrical people have it so easy as straight linear relationship. Most hydraulics and water piping is turbulent, and pressure drop is very roughly flow squared. i.e. 2 x flow = (2)^2 = 4 times pressure drop. 3xflow = 9x pressure drop. Upvote 0 Downvote
No, only the electrical people have it so easy as straight linear relationship. Most hydraulics and water piping is turbulent, and pressure drop is very roughly flow squared. i.e. 2 x flow = (2)^2 = 4 times pressure drop. 3xflow = 9x pressure drop.