Abstract
This paper investigates the performance of a water sprinkler cooling system for a centrifugal Babbitt lining machine, used to renovate industrial bearings. A three-dimensional and transient numerical simulation was conducted to study the effects of various parameters on the solidification rate, including mold rotational speed, sprinkler flow rate and angle, and initial temperatures of the mold and Babbitt alloy. Results demonstrate that the temperature drop in the Babbitt layer and mold is directly proportional to the rotational speed, with a 15% change in rotational speed from the reference case resulting in a 5 °C change in the average temperature of the Babbitt alloy, while clockwise (CW) rotation of the mold leads to greater temperature reduction. An optimal rotational speed of 550 rpm CW was determined. The study also identified an optimal total water flow rate of 8.7e−5 m3/s, with minimal additional cooling benefits beyond that point. Furthermore, vertical water sprinkler angles were found to provide superior cooling performance. The initial mold temperature was found to have a more significant influence on the final average Babbitt temperature than the initial Babbitt temperature, due to the mold’s larger mass and thermal inertia. The qualitative and quantitative results of this research offer valuable insights for enhancing the design of water sprinkler cooling systems in centrifugal Babbitt lining machines, providing a pathway for transitioning from manual to automated cooling processes. This innovative approach has the potential to transform industries in underdeveloped countries, improving their efficiency, quality, and safety.
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The authors thank the editor and anonymous reviewers for their helpful comments and suggestions. The authors would like to thank TABA Engineering and Services Company for providing the necessary equipment to perform the research and Safat Energy Yazd Company for providing experimental data.
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Hasanpour, E., Fesharakifard, R. Numerical Analysis of Water Sprinkler Cooling System for a Centrifugal Babbitt Lining Machine. Inter Metalcast (2023). https://doi.org/10.1007/s40962-023-01172-w
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DOI: https://doi.org/10.1007/s40962-023-01172-w