Design And Analysis Of Disc Type Water Filter Using Lattice Mesh Structures For Additive Manufacturing Fabrication

Mohd Yazid, Nudra Syafina (2020) Design And Analysis Of Disc Type Water Filter Using Lattice Mesh Structures For Additive Manufacturing Fabrication. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

While aiming for Industry Revolution (IR) 4.0, the non-stochastic lattice structure is widely used in a variety of application including biomedical implants and heat exchangers. However, in filtration application, the use of the lattice structure is still new. In addition, the use of additive manufacturing allows the lattice structure to be customized according to the type of filter and is intended to use as a disc filter with a layer of repeated lattice unit cell as a filter mesh. Filtration application for fluid flow frequently uses with the help of the pumping system. In order for the fluid to flow until its destined location, high pressure of the fluid is needed, thus its effect the power consumption use. Pressure drop occurs after fluid passed a filter and resulted in more pressure needed for the fluid flow. Thus, by using a lattice mesh structure in disc type water filter, it is believed that it can minimize the pressure drop of the fluid flow. This project aims to design a disc-type water filter using a lattice mesh structure and to analyse the efficiency of the filter compared to the current disc filter based on computational simulation. A total of three-unit cells with different shape approximately with less than 3 mm edge to edge dimension is designed to be pattern into 50 mm disc-filter. Creating the 3D model for the current disc filter, with a dimension that is within range of the lattice structure. Computational Fluid Dynamic (CFD) is used to evaluate all filters in term of pressure drop and the velocity of the fluid flow. On the other hands, Finite Element Analysis (FEA) will be done to estimate the structural strength of the filter. Based on this study, the outcome shows filter discs with lattice mesh structure provided a lower pressure drop and velocity drop compared to conventional disc filter. In future, this study may help Malaysia in developing better filtration industries as filtration is an indirect process that occurs in other industry, it will not only benefit one side of the industry

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