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All Journal Asian Journal of Science, Technology, Engineering, and Art
Adetoyinbo, A. A.
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Arts Computer Science & IT Engineering Social Sciences

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Simulations and Modeling of Turbulence Flow Pattern in Pipe Adetoyinbo, A. A.; Bello, A. K.; Omoliki, A. J.
Asian Journal of Science, Technology, Engineering, and Art Vol 3 No 2 (2025): Asian Journal of Science, Technology, Engineering, and Art
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajstea.v3i2.4941

Abstract

This work is aimed at generating numerical simulations and modeling the turbulence flow pattern in pipes for water using Reynolds averaged Navier stokes equation. This is accomplished by using commercially available software called Cosmol Multiphysics in simulating and modeling the turbulence flow pattern of water in pipes at constant length but varying diameters of 0.16m, 0.15m, and 0.25m. The turbulence pattern was evaluated along the pipe by dividing the pipe into layers of 0.025m each. The turbulence pattern is found to be high in the middle of the pipe. The fluids at the boundary layer are found to have the same pattern for all the pipes.
Determination of Source of Gold around Itagunmodi Southwest, Nigeria Bello, A. K.; Adetoyinbo, A. A.
Asian Journal of Science, Technology, Engineering, and Art Vol 3 No 2 (2025): Asian Journal of Science, Technology, Engineering, and Art
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajstea.v3i2.5063

Abstract

The source of gold mineralization had been a subject of proposal in the past; some researchers suggested its original source to be the crust while some proposed the source as the mantle. In this study, the source of gold in Itagunmodi was the main objective. The melting temperature of gold and the variation of melting temperature with increase in pressures were determined from melting temperature equations and the values were correlated with the stress in the lithosphere to determine the source. At high values of pressures, the gold melts at higher temperatures. The melting temperatures ranged between 1064 ℃ to 1394.3 ℃ while pressure ranged between 2605.68-2931.39 MPα, (i.e 26-29 Kbar). When merged with the temperature and stress field in the Earth, its shows that the source of gold mineralization around the location is the mantle part of the lithosphere and this can serve as the baseline to the source of gold which was believed to originate from the mantle.
Co-Authors Bello, A. K. Omoliki, A. J.