Conceptual design of gravitational force turbine for roof top application

Camillus, Jeremiah (2021) Conceptual design of gravitational force turbine for roof top application. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, fuel energy is becoming more expensive as the fuel energy is decreasing day by day. A hydropower can be an economical alternative source of energy without the need to purchase a fuel. The energy to power a hydropower can be harnessed in many ways such as water energy. Therefore, this study introduces and creates a conceptual design of vortex gravitational force turbine for rooftop application and as well as to improve the current mechanism which will help in generating more electricity. The objective of this study is to create a new conceptual design of gravitational force turbine for rooftop application as well as to provide complete analysis of turbine in terms of deformation, safety factor and the strength. The design process of this product is started with a survey among civilians. Through the data obtained from the survey, a House of Quality has been produced to convert the customer requirements into the engineering characteristics. This includes the angle of inlet opening, angle of pre-rotational plate, number of fans, material and safety that is converted from the customer requirement which is produce more power, long lasting, not easily damage and safety. Then, a Product Design Specification is produced in order to be used as a project target specification that must be met. Furthermore, a Morphological Chart is used to obtain some conceptual design whereas the final designs are selected through the Pugh method and Weighted Decision Matrix. Through the morphological chart, the component is identified as angle of inlet opening, angle of pre-rotational plate, the number of fans and material. The Pugh method and Weighted Decision Matrix determines the best product ideas after the comprehensive design generation process is carried out and the conceptual design 3 is chosen as the best conceptual design. After the 3D final design is produced using Catia V5, some analysis and simulation has been carried out by using ANSYS 2021 R1 in order to obtain the workability and functionality of the design. Next, a simulation using ANSYS 2021 R1 is used for structural analysis. The maximum deformation, maximum stress and safety factor are predicted to be less than 0.02 m, less than 4.43 x 107 Pa and more than 2 respectively.

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