Pengaruh Jumlah Absorber Terhadap Kinerja Parabolic Trough Collector (Ptc)

Adhiwira, Farrel (2021) Pengaruh Jumlah Absorber Terhadap Kinerja Parabolic Trough Collector (Ptc). Undergraduate thesis, Politeknik Negeri Jember.

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Abstract

Based on its geographical location, Indonesia is right on the equator which has a tropical climate. The intensity of solar radiation in the area is 4.8 kWh/m2 . Certainly, this is the great potential source for Indonesia in developing thermal energy sources from the sun (KESDM, 2016). Concentrated solar power (CSP) is a heat collector device using a reflector mirror as a focus of sunlight on the receiver in the form of an absorber pipe which functions to transmit radiation from heat energy (sun) to the fluid. This research was conducted to determine the heat rate (Qnet), losses heat (Qlosses), and the efficiency value (η) produced by the Parabolic Trough Collector with variations in the number of absorber pipes of 8, 9, and 10. This test is carried out using an experimental method using a data logger to collect the data of the experiment. The results of the study show that the highest heat rate (Qnet) that enters the collector is obtained from the number of pipes 8 at 69,38 W, the number of pipes 9 at 73,43 W, and the number of pipes 10 at 74,08 W. The highest heat loss that occurred in the solar parabolic trough collector on the 1st day at 14.00 pm at the number of pipes 8 at 19,75 W , the number of pipes 9 at 21,58 W, the number of pipes 10 at 18,61 W, then on the 2nd day at 14.00 pm can reach the highest heat loss at the number of pipes 8 at 14,72 W , the number of pipes 9 at 16,56 W, the number of pipes 10 at 18,61 W. While, at the 3rd day at 14.00 pm can reach the highest heat loss at the number of pipes 8 at 17,96 W , the number of pipes 9 at 20,20 W, the number of pipes 10 at 22,71 W, and the highest thermal efficiency that can be reach from heat collector was 69,99%. Keywords : concentrated solar power (CSP) , Parabolic Trough Collector, Heat Rate (Qnet), Heatloss

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