The PleatGeo module is used to generate single filter pleats, with free-varying pleat form.
The filter medium of the pleat can be composed of multiple layers, which may exhibit different values of
permeability. The modeled pleats can include supporting meshes and supporting weaves.
The design of novel filters fitting the user’s requirements, e.g. achieving a decrease in pressure drop, is straightforward by changing as needed and quickly the pleat form and the support structures.
Model of a multi-layer filter pleat with outer and inner support netting.
PleatGeo features
PleatGeo allows to model pleated filters without or with support structures. The inner and/or outer support structures can be weaves (plain or twill) or meshes. Many parameters of the support
structures, like the wire diameter, can be varied at will.
Additionally, the shape of the pleat is freely modifiable and the media of the pleat can be made of multiple layers to which different permeabilities can be assigned.
Examples of PleatGeo applications
- Modelling of pleated air filter media
- Modelling of pleated oil filter media
Additional modules needed?
The computation of flow properties and filtration properties is of great interest for3D pleat structures. These properties can be computed with the following GeoDict modules:
| Material properties | Modules |
|---|---|
| Flow resistivity, permeability, and pressure drop | FlowDict |
| Filter efficiency and filter life time | FilterDict-Media und FilterDict-Element |
Moreover, the 3D structures modelled with the PleatGeo module can be exported as 3D image (.raw), as surface triangulation (.stl) for CAD-programs, or as direct simulation in Fluent / Abaqus.