Pengaruh Diameter Pipa Absorber Bahan Tembaga Terhadap Kinerja Parabolic Trough Collector (Ptc)
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Institusion
Politeknik Negeri Jember
Author
Yumsani, Nandia Dwi
Subject
431 - Teknik Mesin (dan Ilmu Permesinan Lain)
Datestamp
2021-11-15 02:15:10
Abstract :
Parabolic Trough Collector uses copper absorber pipe with various diameters (9.5 mm, 12.7 mm and 19.05 mm) with a length of 1 m absorber pipe. The choice of diameter on the absorber pipe is expected to increase the efficiency and maximum temperature produced. This Parabolic Trough Collector has a focal point of 12cm using an aluminium plate reflector with a size of 50 cm x 70 cm with a thickness of 0.3 mm. The test was carried out on the roof of the Engineering Building, Jember State Polytechnic with 3 repetitions. The highest water temperature was found at a diameter of 9.5 mm at 63.2°C at 12.10 WIB while the highest average efficiency value was found at a diameter of 9.5 mm producing 14.28%. This efficiency value is influenced by several factors, including solar irradiation, outlet and inlet temperature differences, and mass flow rate. The highest total average heat transfer rate is at a diameter of 9.5 mm at 42.3 W. Kata Kunci: Parabolic Trough Collector,Pipe Absorber, Diameter, Efficiency, Heat transfer
Parabolic Trough Collector uses copper absorber pipe with various diameters (9.5 mm, 12.7 mm and 19.05 mm) with a length of 1 m absorber pipe. The choice of diameter on the absorber pipe is expected to increase the efficiency and maximum temperature produced. This Parabolic Trough Collector has a focal point of 12cm using an aluminium plate reflector with a size of 50 cm x 70 cm with a thickness of 0.3 mm. The test was carried out on the roof of the Engineering Building, Jember State Polytechnic with 3 repetitions. The highest water temperature was found at a diameter of 9.5 mm at 63.2°C at 12.10 WIB while the highest average efficiency value was found at a diameter of 9.5 mm producing 14.28%. This efficiency value is influenced by several factors, including solar irradiation, outlet and inlet temperature differences, and mass flow rate. The highest total average heat transfer rate is at a diameter of 9.5 mm at 42.3 W. Kata Kunci: Parabolic Trough Collector,Pipe Absorber, Diameter, Efficiency, Heat transfer
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