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130

Estimating Manure Inventory

Calculating Volume of Manure in a Cylindrical Manure Storage Facility

The total height ( h

tot

) of a cylindrical liquid manure storage facility is 4.75 m. The diameter ( d ) is 40 m. The current freeboard ( h

fb

) is 1.9 m. The estimated volume of manure currently in the facility is:

Height of Manure (h

manure

) = total height ( h

tot

) – height of freeboard ( h

fb

) = 4.75 m – 1.9 m

= 2.85 m is the approximate height of the manure

Manure volume (m 3 ) = height of manure ( h

manure

) x (diameter 2 ) x 0.785 = 2.85 m x (40 m) 2 x 0.785

= 3,579.6 m 3 is the approximate volume of the manure

Converting cubic meters to litres = 3,579.6 m 3 x 1000 L/m 3

= 3,579,600 L is the approximate volume of the manure

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