Design and Construction of a Centrifugal Pump Test Bed


Authors : Olisedeme Uchechukwu Richard; Olisedeme Oluchukwu Richmond; Uzuanwu Calistus Ifeanyi; Wilfred Chika Charles

Volume/Issue : Volume 6 - 2021, Issue 12 - December

Google Scholar : http://bitly.ws/gu88

Scribd : https://bit.ly/3KwVPqU

DOI : https://doi.org/10.5281/zenodo.5875208

This project work details the design, manufacture, and testing of a centrifugal pump. The centrifugal pump is driven by an electric motor, which is also linked to a tachometer, a variable frequency drive and a wattmeter, which measure the speed of the motor shafts and the electrical power of the pump, respectively. The driven centrifugal pump pulls fluid (water) from a sump reservoir and transfers it to a tank through a flow control valve. We were able to conduct the experiments required to completely describe a centrifugal pump using the demonstration unit. The correlations between the different parameters, such as head (H), efficiency (η), rotational speed (ω), and input power (Pi), and the flow rate (Q), were also generated in tabular and graphical form. The experimental findings acquired at the conclusion of this study demonstrate that the tested pump can achieve a head (Hₘₐₓ) of 35m, a volumetric discharge (Qₘₐₓ) of 35l/min, and a speed of 2850 rpm with an input power of 0.5HP. The pump's performance was reported to be very smooth, with minimal vibration and noise levels on both the pump and the motor, ensuring the pump's reliability in service.

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