Search found 4 matches

by boonesfab
Sun Aug 12, 2012 7:20 pm
Forum: Flow calculators and fluid flow problems
Topic: Gravity Fed Pressure Pipe Calcs
Replies: 6
Views: 31587

Re: Gravity Fed Pressure Pipe Calcs

Ok, I've been studying this calculator and have found that it also, just like the rest of the hydraulic equations I have found is only using the slope of the pipe to calculate flow. Unfortunately I am not educated in hydraulics but have been trying to educate myself over the past week. I know that I...
by boonesfab
Sun Aug 12, 2012 4:25 am
Forum: Flow calculators and fluid flow problems
Topic: How to use A Pipe Flow/Friction Loss Chart
Replies: 0
Views: 7949

How to use A Pipe Flow/Friction Loss Chart

I'm trying to determine the proper size for a gravity fed pressure pipe for an irrigation system. I have been studying flow charts on this site: http://www.engineeringtoolbox.com/pvc-pipes-friction-loss-d_803.html The charts give flow rate, velocity, friciton head, and friciton loss. If my 6" p...
by boonesfab
Sun Aug 12, 2012 3:44 am
Forum: Flow calculators and fluid flow problems
Topic: Gravity Fed Pressure Pipe Calcs
Replies: 6
Views: 31587

Re: Gravity Fed Pressure Pipe Calcs

So both the 8" and 6" are going to generate the same pressure at the end of the pipe? 14 psi? Using other pressue drop calculators, and head loss calculators, as well as pvc flow charts, I was coming up with 60 psi at discharge end with 8" pipe. To get this 60 psi number a specific fl...
by boonesfab
Sat Aug 11, 2012 6:57 pm
Forum: Flow calculators and fluid flow problems
Topic: Gravity Fed Pressure Pipe Calcs
Replies: 6
Views: 31587

Gravity Fed Pressure Pipe Calcs

I am trying to size a gravity fed pipe that takes water from a small creek and transmits it down 7000 linear feet of pipe, at a fairly consistent slope of 4%, resulting in 300 feet of total head. I am deciding whether to run 8" pipe, 6" pipe or a combination of both. I've used Manning's fo...