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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta
Saleh, Arif Rahman
Universitas Tidar
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Experimental Analysis of Water Column Height and Air Flow Rate Effects on Two-Phase Airlift Pump Performance Fidaroin, Arsyad Ni'am; Mujiarto, Sigit; Hayati, Nur; Saleh, Arif Rahman
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 11, No 2 (2025): October
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v11i2.35639

Abstract

This study experimentally investigates the effects of water column height and air flow rate on the performance of a two-phase airlift pump with a 15° injector angle. Two water column heights  and  and four air flow rates (30, 40, 50, and 60 LPM) were tested in a laboratory-scale setup. Efficiency was calculated using the Nicklin model, while effectiveness was determined based on the ratio of water to air mass flow rates. Flow patterns were recorded and analyzed using a high-speed camera. The results showed that increasing the water column height significantly improved both efficiency and effectiveness, with the highest values—12.270% and 2354.78, respectively achieved at  and 60 LPM. Flow pattern observations revealed that slug flow dominated at partial submergence, whereas churn flow became prevalent at full submergence with higher air flow rates. The findings demonstrate that optimizing submergence ratio, air flow rate, and injector configuration is essential for achieving high-performance and energy-efficient airlift pump operation.
Co-Authors Fidaroin, Arsyad Ni'am Hayati, Nur Mujiarto, Sigit