The Design – Analysis of Turbulent Air Flow Over Cylinder Slot Hole | ANSYS CFX
This simulation is about an Analysis of Turbulent Air Flow Over Cylinder Slot Hole using ANSYS CFX software. We perform this CFD project and investigate it by CFD analysis.
- Motion and power transmission:
- Shafts and couplings: Cylindrical shafts often require keyways (a type of slot) to hold a gear or pulley securely, preventing rotational slippage.
- Pistons and rods: Hydraulic and pneumatic cylinders use pistons and rods that feature holes for fluid passage or slots for alignment and connection to other components.
- Automotive engines: Engine components, such as pistons and engine cylinders, feature precisely machined holes and slots for critical functions like oil flow and combustion.
- Fluid and gas systems:
- Piping and connectors: Pipes and fluid couplings use cylindrical parts with holes for fittings, slots for pressure relief, and channels for fluid diversion.
- Valves and fittings: Components in fluid control systems frequently incorporate cylindrical bodies with ports (holes) to direct or regulate the flow of gas or liquid.
- Fixtures and tooling:
- Jigs and fixtures: In manufacturing, cylindrical fixtures may have holes and slots to guide tools or secure workpieces during machining.
- Industrial machinery: Parts for industrial presses, cutting machines, and automated assembly systems use slotted and holed cylinders for precise alignment and movement.
- Medical and robotics:
- Surgical devices: Precision medical instruments and robotic joints use small, intricately slotted, and holed cylindrical parts for compact motion and specialized functions.
This analysis has tried to simulate and analyze of Turbulent Air Flow Over Cylinder Slot Hole using ANSYS CFX software.
Geometry & Grid
The geometry required for this analysis was generated by Ansys Design Modeler software. The meshing required for this analysis was also generated by Ansys Meshing software. The mesh type used in this analysis is unstructured. The total number of volume properties for geometry is 3,4362e+005 mm³.
Model
In this analysis, a steady-state analysis type was used to obtain the results to check the fluid flow. In this analysis, non-buoyant models have been used, and stationary domain motion has also been activated in this analysis.
Boundary Condition
The flow input for this geometry of a Cylinder Slot Hole directs the flow of air at a fluid temperature of 25°C into the geometry. The turbulence boundary condition of a monument wall is considered to be shear stress transport according to the working conditions. The wall function is defined as automatic in the name selection section of the turbulence boundary condition. The normal speed for the mass momentum is equal to 20 m/s. The turbulence for the design modeler is set with an intensity equal to 5 %.
Discretization of Equations
In this analysis, high resolution is used for the advection scheme of the basic settings. In this analysis, the first-order is used for turbulence numerics. In this analysis, the residual type of convergence criteria is RMS, and the residual target of convergence criteria is 0,00001, with the conservation target equal to 0,0001.
The results are presented as turbulent kinetic energy contours as well as volume rendering.
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