KINERJA PIRANTI PENDINGIN TERMOAKUSTIK GELOMBANG TEGAK PADA TEBAL SUSUNAN STACK BERBEDA
Abstrak
The damage to the ozone layer is a direct impact of the use of refigerants on the environment, so reducing this impact requires an environmentally friendly technology. Thermoacoustic devices are one of several environmentally friendly technologies that have the same function, namely by utilizing temperature differences as a source of thermoacoustic phenomena. The medium used is air gas so that it does not cause harm to the environment. The main components of a thermoacoustic device consist of a regenerator, resonator pipe and a loudspeaker. The regenerator has a big role, namely as a place for energy conversion to occur. This research will discuss about the effect of stack thickness installed in the regenerator on the performance of the vertical wave thermoacoustic cooling device. The material used is a mesh size # 18 which is tightly arranged with a thickness of 4 cm to 5.5 cm with an interval of 0.5 cm. Operation time is carried out for 30 minutes. The resonator pipe is made of PVC pipe. The results of this study indicate that the thickness of the stack has an effect on temperature reduction. The largest temperature drop in this study occurred at a stack length of 5.5 cm which was able to reduce 4.7 ï‚°C from the initial temperature of the study.
Keywords: thermoacoustic, standing wave, regenerator
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