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Experimental Study on Oxygen Mass Transfer Characteristics by Plunging Hollow Jets

  • Research Article-Civil Engineering
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Abstract

Aeration by plunging water jets is an effective and economical method of transferring oxygen into the receiving pool of water. A dispersion of air bubbles occurs underneath the pool surface as a high-velocity liquid jet plunges on the water surface after being ejected from a particular fall height. The present study aims to investigate the impact of jet velocity, jet length, water depth and jet thickness of plunging hollow jets in oxygenating the water in the aeration tank. Empirical correlations are proposed for the determination of volumetric oxygen transfer coefficient based on jet velocities and jet kinetic powers. Moreover, the oxygen transfer capacity of single hollow jet, double hollow jet and a dual jet (combined hollow and solid) is tested by keeping a nearly constant jet flow area through the jet openings. The observations recorded from the experimental analysis lead to the development of predictive relationships for estimating the values of volumetric oxygen transfer coefficient in terms of basic jet variables.

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Authors and Affiliations

  1. Department of Civil Engineering, National Institute of Technology, Kurukshetra, Haryana, India

    Munish Kumar, N. K. Tiwari & Subodh Ranjan

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  1. Munish Kumar
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  2. N. K. Tiwari
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  3. Subodh Ranjan
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Correspondence to Munish Kumar.

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Kumar, M., Tiwari, N.K. & Ranjan, S. Experimental Study on Oxygen Mass Transfer Characteristics by Plunging Hollow Jets. Arab J Sci Eng 46, 4521–4532 (2021). https://doi.org/10.1007/s13369-020-04975-9

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  • DOI: https://doi.org/10.1007/s13369-020-04975-9

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