The BatiX heatsink design takes inspiration from the Parang Kusumo Batik as to add aesthetic values beside being a heat exchanger with a novel design. With the manufacturing method, the heatsink is designed to have a cavity to be filled with soy wax PCM. The experiment uses a 2 meter long wind tunnel, the heatsink is placed 0.35 m from the outlet, with the aim of such placements that the air passing through the heatsink is already fully developed. The variations of this experiment are variations in air speed, the power used, and the use of PCM. The variations in air velocity are: 1 m/s, 1.5 m/s, and 2 m/s, while the variations of power used: 30 W, 40 W, and 50 W. Data Acquisition was taken using the National Instrument Labview 2018 software, by placing thermocouples on the designated area of interest. Based on the results, it is shown that the heat transfer coefficient of the heatsink is 48.2 W/m2K with a maximum thermal conductance of 2.04 W/K. The wind speed variation of the experiment shows the heatsink is better performing at lower wind speed. The heatsink with the added PCM is shown to be better at dissipating heat and the design is found to be performing efficiently at lower air velocity variation.

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