Tank Discharge CFD Simulation, Ansys Fluent Training
$121.00 Student Discount
In this project, Rectangular Tank’s water discharge has been simulated and the results have been investigated.
This product includes Geometry & Mesh file and a comprehensive Training Movie.
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Tank Discharge Project Description
The current project simulates the water discharge of a rectangular tank under the influence of gravity by Ansys Fluent software. The VOF model has been used to simulate and solve the two-phase flow field equations. The computational domain consists of three tanks that are connected by pipes.
Geometry & Mesh
The 2-D geometry of the present model is generated using Design Modeler software. The primary tank is a 229.4* 157.7 mm rectangular, the second tank is an eight-sided polygon with a side length of 51.3 mm, and the third tank is also a 229.4* 100 mm rectangular.
. The meshing of this project has been done using Ansys Meshing software. The mesh type is unstructured, and the element number is equal to 15,310.
Tank Discharge CFD Simulation Settings
We consider several assumptions to simulate the present model:
- Due to the incompressibility of the flow, the pressure-based solver method has been selected.
- The simulation is transient.
- The gravity effect is considered equal to -9.81 m.s-1 on Y-axis
The Laminar viscous model has been used to solve the flow field equations, and the pressure-velocity coupling scheme is SIMPLE. The second-order upwind discretization method has been used for momentum and PRESTO! For the pressure discretization.
The following tables represent a summary of the defining steps of the problem in this project and its solution:
|Homogeneous model||Volume of fluid|
|Number of Eulerian phases||2(air& water)|
|Body force formulation||Implicit body force|
|X Min [m]||0.08|
|Y Min [m]||0.2264246|
|Y Max [m]||0.33|
|Registers to patch||Region_0|
|Initial time step size||1e-05|
|Settings||Minimum time step size||1e-05|
|Maximum time step size||0.001|
|Time step size||10000|
Tank Discharge Results
After the solution process is completed, contours of Volume fraction, Pressure, Velocity, and Streamlines are extracted and presented below. As can be observed, the water discharges from the primary tank to the secondary tank, which has insufficient volume for storing water. After a while, water starts to fill the third tank, connected to the second tank. Some pipes are for air circulation inside the tanks. This phenomenon can be seen in the velocity and streamline contours.
You can obtain Geometry & Mesh file and a comprehensive Training Movie that presents how to solve the problem and extract all desired results.