melp...
"Pat Lyon is a middle school mathematics and computer teacher at
James Monroe Middle School in Eugene and project director of The
Tale of Two Rivers & Virtual Eugene Projects. His areas of
professional interest include the design of Web and
technology-based curricula and teaching middle school.
He holds a Master's degree in education from Nazareth College
in Rochester, N.Y."
http://otn.uoregon.edu/eisenhower/leadership/model_4/
As indicated by this lesson plan by Pat Lyon, contained in a pdf
file on the 'Oregon Content Standards and Technology' website:
"A column of water 2.31 feet tall creates 1 pound per square inch
(psi) of pressure. The volume of water is not a factor in
determining water pressure, only height. Therefore, a ten foot
column of water containing 100 gallons and a ten foot column of
water containing 1000 gallons will result in the same water
pressure".
The pdf is no longer available for download, but you can view
Google's html cache of the file here:
http://216.239.53.104/search?q=cache:khM-SIcrc3IJ:otn.uoregon.edu/eisenhower/leadership/model_4/PLLP2.pdf+%22determining+water+pressure&hl=en&ie=UTF-8
Another site that confirms this figure is the 'Online Unit
Converter'. The following page gives the exact figure for
1 pound per square inch (psi) of pressure as equal to
2.3089660334547 foot water (60°F) (about a third of the way
down the page)., which was rounded off by Pat Lyon, above,
to 2.31 feet of water.
http://onlineconverter.host.sk/factors.php?cat=pressure&unit=36&val=1
If 2.3089660334547 feet of water = 1 psi, then
1 foot of water = 0.43309428788079189006441478803154 psi
10 feet of water = 4.3309428788079189006441478803154 psi
and so on.
You can, of course, refine this to inches of pipe length by
dividing 0.43309428788079189006441478803154 psi by 12:
1 inch of water = 0.036091190656732657505367899002628 psi.
The height/pressure relationship is nicely illustrated in
figure 1-3 on the Sweethaven Publishing Services site:
http://www.sweethaven.com/academic/lessons/mechTech/hydraulics01/moduleMain.asp?whichMod=0101
The National Driller site adds the following in its discussion
of water pressure:
"Another good way to remember this relationship is to picture
a water tower. If you have a 100-foot-high water tower in your
town, what would be the pressure in terms of psi at the bottom
of the tank? The answer — 43 psi, about the pressure you’d like
to have coming into your house."
http://www.drilleronline.com/CDA/ArticleInformation/features/BNP__Features__Item/0,3643,102765,00.html
I believe this will serve to assist you in your calculations.
Please do not rate this answer until you are satisfied that
the answer cannot be improved upon by means of a dialog
established through the "Request for Clarification" process.
sublime1-ga
Searches done, via Google:
"determining water pressure
://www.google.com/search?q=%22determining+water+pressure
1 foot = water pressure
://www.google.com/search?q=1+foot+%3D+water+pressure
1 water feet = psi
://www.google.com/search?q=1+water+feet+%3D+psi |
