Ditemukan 2 dokumen yang sesuai dengan query
Sugeng Supriadi
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Desired higher ship speeds can be achieved using many performance enhancement techniques. One of the techniques is drag reduction of ships’ hulls by imbuing their surfaces with hydrophobic properties This paper presents an alternative method of fabricating micro-riblets using laminate transfer molding to modify painting morphology for micro-riblets’ replication on ships’ hulls. A performance test of these micro-riblets is also performed. The results show that micro-riblets can be replicated from the pattern to the ships’ ...
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Depok: Faculty of Engineering, Universitas Indonesia, 2015
UI-IJTECH 6:6 (2015)
Artikel Jurnal Universitas Indonesia Library
Sutrasno Kartohardjono
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The aim of this study is to evaluate the effects of absorbent flow rate on CO2 absorption through a super hydrophobic hollow fiber contactor. The absorbent used in this study was a physical absorbent, namely a polyethyleneglycol-300 (PEG-300) solution. Meanwhile, the feed gases used in the experiments were pure CO2 and a mixture of 30% CO2 and 70% CH4. Gas absorption using a physical absorbent provides various benefits; for example, it can produce sufficiently high ...
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Depok: Faculty of Engineering, Universitas Indonesia, 2017
UI-IJTECH 8:8 (2017)
Artikel Jurnal Universitas Indonesia Library
