# volume in horizontal vessel.xls

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23

### Description

Used for finding the volume in a partially filled horizontal cylindrical vessel with either hemispherical or elliptical heads.

To find the volume of liquid in a partially filled horizontal cylindrical vessel with hemispherical or elliptical heads, we need to determine the volume of the liquid in the cylindrical portion and the volume in the heads. Here's a step-by-step process to calculate the volume:

1. Determine the dimensions: a. D = diameter of the cylindrical portion b. L = length of the cylindrical portion c. h = height of the liquid in the vessel

2. Calculate the volume of liquid in the cylindrical portion (V_cylindrical):

a. Calculate the angle (theta) in radians, using the height of the liquid (h) and the radius (D/2):

theta = 2 * acos((D/2 - h) / (D/2))

b. Calculate the area of the circular segment (A_segment) using the angle (theta) and radius (D/2):

A_segment = ((D^2) / 4) * (theta - sin(theta))

c. Calculate the volume of the liquid in the cylindrical portion (V_cylindrical):

V_cylindrical = A_segment * L

a. Hemispherical heads: Calculate the volume of the liquid in the hemispherical head using the following formula:

V_hemihead = (1/6) * pi * h^2 * (3*D - h)

b. Elliptical heads (2:1 ellipsoidal heads): Calculate the volume of the liquid in the elliptical head using the following formula:

V_elliphead = (pi * h^2 * (3*D - h)) / 6

1. Calculate the total volume of liquid in the partially filled horizontal vessel (V_total):

This calculation gives you the total volume of the liquid in a partially filled horizontal vessel with hemispherical or elliptical heads. Note that the calculation assumes a constant cross-sectional area of the liquid in contact with the heads, which is an approximation. To obtain a more accurate volume, consider using computational methods or specialized software.

Submitted On:
28 Apr 2023
File Size:
198.00Kb