The drag of an airfoil at zero angle of attack is a function of density, viscosity, and velocity, in addition to a length parameter



Download 2.42 Mb.
Page7/31
Date20.05.2018
Size2.42 Mb.
#49465
1   2   3   4   5   6   7   8   9   10   ...   31

Head loss and friction factor

1-D energy equation:


T means ‘total’
For fully-developed flow through a constant-diameter pipe,

and if the pipe is horizontal,
(i)
Consider flow in a straight pipe:
Free-body diagram of fluid



r

x

dx

p1

p2

mg

Ff

Ff





Download 2.42 Mb.

Share with your friends:
1   2   3   4   5   6   7   8   9   10   ...   31




The database is protected by copyright ©ininet.org 2024
send message

    Main page