VOLUME OF WATER

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VOLUME OF WATER

Postby Momma » Sat Mar 27, 2004 7:51 pm

I am looking for a formula for determing the amount of water in a given size opening. I have an opening 17 inches wide and 24 inches deep.
I need to know how much water would be in that hole in order to know the amount being pumped in a given time.
Hope someone has this answer.
Momma
 

Re: VOLUME OF WATER

Postby Knight » Mon Mar 29, 2004 10:28 pm

Momma wrote:I am looking for a formula for determing the amount of water in a given size opening. I have an opening 17 inches wide and 24 inches deep.
I need to know how much water would be in that hole in order to know the amount being pumped in a given time.
Hope someone has this answer.
You've left out one of the dimensions. 17 inches wide x ?? inches Long x 24 inches deep. With only two dimensions I can tell you how many square inches of water there is - the area, but I can't tell you the volume.
William J. Knight
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Los Alamos National Labs
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Water volume

Postby Momma » Tue Mar 30, 2004 12:53 am

Mr. Knight the hole is round. Only a diameter and depth. Diameter is 17 inches and depth is 24. I will certainly look for your reply.
Momma
 

Re: Water volume

Postby Knight » Tue Mar 30, 2004 1:43 am

Momma wrote:Mr. Knight the hole is round. Only a diameter and depth. Diameter is 17 inches and depth is 24. I will certainly look for your reply.
Right then. We're looking for the volume of a cylinder.

The formula for the area of a cylinder is the area of the circle times the depth, or π * r² * h.

If the diameter is 17 inches, then the radius is 8.5 inches. Now that we have everything, we fill in the numbers:

π * r² * h = volume

3.1415 * 8.5 in² * 24 in = volume

3.1415 * 72.25 in² * 24 in = 5447.361 in³

So there are 5447.361 in³ of water. just what is this in gallons?

Well, one gallon is equal to 231 cubic inches, so:

5447.361 in³ / 231 gal/in³ = 23.58 gallons
William J. Knight
Health Physicist
Los Alamos National Labs
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Knight
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Posts: 309
Joined: Tue Jan 13, 2004 9:43 pm
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volume of water

Postby MOMMA » Tue Mar 30, 2004 3:43 am

Thank you so very much. That is just the answer I needed.
MOMMA
 


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