Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: alex1987
  • Content: Threads
  • Order by date
  1. alex1987

    Friction loss for concrete duct

    Hi, I found this formula in Carrier Handbook, delta p = 0.03*f*(L/d^1.22)*(V/1000)^1.82 delta p = friction loss (in. wg) f = interior surface roughness (0.9 for galvanized duct) L = length of duct (ft) d = duct diameter (in.), equivalent diameter for rectangular ductwork V = air velocity...

Part and Inventory Search

Back
Top Bottom