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All Journal International Journal of Science and Environment
Abdul Gafur
Program Studi Sarjana Terapan Teknik Mesin Produksi dan Perawatan, Politeknik Negeri Bengkalis, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Mathematics Physics

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Experimental Study of the Performance of the Calpeda B Cm 20e Type Centrifugal Pump as a Practical Tool Eldion Sinambela; Abdul Gafur; Burhan Hafid
International Journal of Science and Environment (IJSE) Vol. 6 No. 2 (2026): May 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i2.731

Abstract

Centrifugal pumps are widely used in industrial applications and educational laboratories because of their simple construction, ease of operation, and ability to provide a stable flow rate. This study aims to analyze the performance of the CALPEDA BCM 20E centrifugal pump through experimental testing as a laboratory learning medium. In addition, the study develops a practical testing system by integrating transparent piping and a digital flow meter to improve the accuracy of flow rate measurements and enable direct observation of fluid flow. The research employs an experimental method by operating the pump under several operating conditions to obtain data on flow rate, total head, hydraulic power, shaft power, and pump efficiency. The collected data are analyzed using fundamental fluid mechanics equations and centrifugal pump performance characteristics and are presented in the form of tables, graphs, and performance curves. The developed laboratory equipment is expected to improve students' understanding of fluid flow phenomena and the relationship among flow rate, head, hydraulic power, and pump efficiency. The findings of this research are expected to provide useful information for evaluating centrifugal pump performance and support the development of more effective and interactive laboratory learning media.
Experimental Analysis of Major and Minor Flow Losses in Centrifugal Pump Piping Systems Syakri Syakri; Burhan Hafid; Abdul Gafur
International Journal of Science and Environment (IJSE) Vol. 6 No. 2 (2026): May 2026
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v6i2.753

Abstract

Pumping and piping systems play a crucial role in transporting fluids in industrial and laboratory applications. However, energy losses occurring within the piping network can significantly reduce hydraulic performance and overall system efficiency. This study aims to experimentally analyze major and minor head losses in a centrifugal pump piping system under controlled laboratory conditions. The experimental setup employed a ½-inch PVC pipe with three piping configurations, namely a straight pipe, a 45° elbow, and a 90° elbow. Flow conditions were varied by adjusting the valve opening to produce different discharge rates. The measured parameters included flow rate and pressure difference, while flow velocity, Reynolds number, major head loss, and minor head loss were determined through standard fluid mechanics calculations. The experimental results indicate that increasing the flow rate leads to a significant increase in total head loss due to higher flow velocity and greater friction along the pipe wall. Furthermore, the 90° elbow generated higher minor head loss than the 45° elbow because the sharper change in flow direction produced stronger turbulence. These findings are consistent with fluid flow theory and demonstrate that both flow rate and fitting geometry have a substantial influence on energy losses. The results can serve as a useful reference for designing and operating more efficient centrifugal pump piping systems.
Co-Authors Burhan Hafid Eldion Sinambela Syakri Syakri