The effect of organic stack and heat exchanger on the temperature change of the thermoacoustics cooling system

The influence of organic stack and heat exchanger on the temperature changes of a standing wave thermoacoustic cooling system has been observed. This study used an organic material stack, which has a non-parallel pore (random), namely a dry sponge gourd (luffa acutangula). In this research, the resonator tube is made of a PVC pipe with the length of 83 cm and the diameter of 5.25 cm. As a result, the decreasing temperature on both hot and cold reservoirs has been developed. Using the 15 watt of loudspeaker power, the temperature decrease is at 5.3 °C and with increasing loudspeaker power, the decrease in temperature changes accordingly at 6.1 °C for 60 watt of loudspeaker power.