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Horizontal Cylinder Tank Volume Calculator

Horizontal Cylinder Tank

Total Volume of the Horizontal Cylinder Tank

The total volume Vtank of a cylinder-shaped tank is determined by multiplying the area A of its circular end by its length l. The area A of the circular end is given by πr2, where r is the radius, which is equal to half the diameter or d2. Thus, the total volume of the tank is:

Vtank=πr2l Filled Volume of a Horizontal Cylinder Tank

To calculate the filled volume of a horizontal cylinder tank, we first need to find the area A of the circular segment that corresponds to the filled portion and then multiply it by the length l.

For a circular segment, the shaded area A is given by:

A=12r2(θsinθ)

where θ is in radians and is calculated as:

θ=2arccos(rm)

Here, m represents the vertical distance from the center of the circle to the chord defining the segment's base.

Thus, the volume of the circular segment Vsegment is:

Vsegment=12r2(θsinθ)l
Case 1: Fill Height Less Than Half the Diameter

If the fill height f is less than half the diameter d (i.e., f<d2), we use the segment created by the filled height directly, and the filled volume Vfill is:

Vfill=Vsegment
Case 2: Fill Height Greater Than Half the Diameter

However, if the fill height f is greater than half the diameter d (i.e., f>d2), we need to calculate the segment corresponding to the empty portion of the tank and subtract it from the total volume to get the filled volume. In this case:

Vfill=VtankVsegment

where Vsegment now represents the volume of the empty segment.

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