Development of low-cost magnetic motor fan for individual usage

Zainudin, Muhammad Hariz (2018) Development of low-cost magnetic motor fan for individual usage. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Thermal comfort significantly associated with the critical global climate. Then, HVAC system is provided to achieve the desired thermal comfort of the consumer while that system is clarified as the major energy uses in a building with 57% followed by lighting and other equipment. So that, this study aims to develop a low-cost magnetic motor fan for individual usage to achieve thermal comfort of the consumer, reduce energy consumption then avoid environmental pollution simultaneously. This product is designed by using SolidWorks 2013 software and fabricated by using Nylon Polyamide (PA12) powder via Selective Laser Sintering (SLS) 3D printer. This magnetic motor fan used Neodymium magnet to produce repulsive force that generated rotating motion to the motor. The fan then produced air flow to reduce the critical ambient temperature of consumer. Before that, push-pull experiment of the permanent magnet is conducted to identify either axial or tangential force is produces higher work generated through a various distance (0.5 cm until 10.0 cm). Furthermore, four different types of magnet configurations (A, B, C, D) on rotor and stator of the motor are compared based on speed, airflow and time. Then, all the parameters of magnet configurations are compared with the mechanical loss calculation on its torque and power. Based on the push-pull experiment, axial force produced higher work generated and low power consumption compared to tangential force in 0.5 cm on its distance while configuration C indicated the higher average result for all parameters involved. In the nutshell, the usage of permanent magnet can reduce the power consumption of the motor due to the repulsive force between them and has been proved through the push-pull experiment and mechanical loss calculation.

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