TKE and ducting fin: A study of the joint effect on the efficiency of fin devices in ducting

Paterus, Moira (2024) TKE and ducting fin: A study of the joint effect on the efficiency of fin devices in ducting. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The efficiency of fin devices within ducting systems is examined in this study in relation to the combined effects of turbulence kinetic energy (TKE) and ducting fin. This study has three main objectives in mind. To begin with, a scale model of square ducting is created as a platform for the validation of computational fluid dynamics (CFD) simulations. The airflow within the physical test rig is further tested to guarantee appropriate reproduction of real-world conditions. Third, to acquire insight into the intricate flow patterns and phenomena, the flow zone of square ducting is examined using CFD techniques. To understand how the angle of the duct affects the effectiveness of fin devices, the relationship between the two is lastly assessed. In order to accomplish these goals, a scale model of square ducting that closely resembles the geometry of actual ducting systems is built. This model is used as a standard to verify the precision and dependability of CFD simulations. The precision and validity of the simulation methods are confirmed by comparing the experimental data received from the physical test rig with the outcomes from CFD simulations of the grid sensitivity analysis. Furthermore, CFD techniques are used to analyse the flow zone inside the square ducting. The flow patterns, velocity distribution, and pressure gradients within the ducting system are well understood thanks to the CFD simulations. This information assists in enhancing the functionality and design of fin devices used in ducting applications. The study also explores the connection between TKE and the fin device. The impact on TKE levels is systematically changed, allowing for analysis of the efficiency and effectiveness of fin devices in various ducting configurations. The results of this study shows that by performing grid sensitivity analysis and validate it by physical validation. From the simulation, the different between the TKE levels in the ducting with no fin added and ducting with fin shows that reduction in TKE levels. It indicates a lower intensity of turbulent motion within the flow. Fin devices advance our knowledge of how TKE affect the functionality of fin devices in ducting systems. The CFD simulations provide us a clearer knowledge of the flow dynamics inside the square ducting. The performance and energy efficiency of ducting systems in numerous industrial and technical applications can be improved with the use of these insights.

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