Study of Solar Driven Adsorption Cooling Potential in Indonesia

Abstract

Indonesia has a big potential in utilizing solar energy. In fact, tropical area like Indonesia has a quite stable solar radiation. This paper presented a study using simulation to investigate the performance of solar driven two bed adsorption chiller based on Indonesia climate. Climatic data of several cities in Indonesia is being used. The chiller is being mathematically modeled and calculated numerically using MATLAB®. The simulation is run transiently at working hours to achieve temperature in some points in the system. Moreover, additional PCM is also added to the hot water tank in order to achieve a better performance. The results demonstrated the running characteristic of the chiller with the range of COP 0.043-0.342. In general, the chiller performance can reach COP 0.282 with 17 kW cooling capacity when utilize the solar radiation varies between some cities as input energy. Moreover, Adding PCM in hot water tank also can improve the chiller’s performance. Since the amount of heat is essential to the performance of the adsorption chiller, it is better to pre-heat the water before using. By pre-heating and getting the water to a higher temperature, it will generate a higher cooling power needed to meet demand which can be sustained and stable throughout the use of adsorption chiller.

Keywords

• Adsorption Chiller,Indonesia Climate,Solar Drive,pre-heat

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