The Investigation Of Flow Distribution In Duct Channel Configuration

Nor Aishah, Mat Jam (2015) The Investigation Of Flow Distribution In Duct Channel Configuration. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

A duct channel of a pick-and-place machine is a mechanical device that allowed air to flow in a duct channel which consists of a heater. Then, the air will flow to different outlets of the duct channel. The flow behaviour in the duct channel need to be studies especially flow behaviour at the outlets of the duct channel. A method based on SolidWork and ANSYS Fluent is introduced. Firstly, the duct channel structure in a specific pick-and-place machine is taken as the object for this study. A geometry of the duct channel was created in three-dimensional by using SolidWork. Then, a fluid-dynamic simulation was carried out by using ANSYS Fluent. A laminar incompressible fluid conditions were considered. The results showed that the temperature in the duct channel was not evenly distributed. The temperature only increased 1 K from the initial value of 233 K. The pressure at the outlets of the duct channel were reported with negative values in Pascal. This is not in agreement with the real value which was reported as 24.91 Pa. Further investigations are needed to find the reasons for this disagrement. The numerically calculated values of velocity at the outlets 1, 2, and 3 are 35.83655 m/s, 25.169065 m/s and 35.111923 m/s, respectively. The flow were found symmetry with respect to the middle line of the duct channel. Some irregularities of flow were found at the outlets due to several obstructions of flow in the channel. In the future, the duct channel design could be modified to increase the performance of the flow behaviour in the duct channel.

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