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This Author published in this journals
All Journal The Indonesian Journal of Computer Science
Kyaw, Sandar
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Computer Science & IT Electrical & Electronics Engineering Engineering

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Numerical Analysis of Flow Velocity and Performance Test of Cross-Flow Turbine (500 W) Kyaw, Sandar; Swe, War War Min; Soe, Aung Kyaw; Latt, Aung Ko
The Indonesian Journal of Computer Science Vol. 13 No. 3 (2024): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v13i3.4175

Abstract

The purpose of this study is to analyze the flow velocity and assess the performance of a cross-flow turbine through numerical simulations and performance tests. Using computational fluid dynamics (CFD), the flow patterns and velocity distributions around the turbine blades to gain insights into the turbine's hydrodynamic behavior. In the experimental phase, constructed a prototype of the cross-flow turbine and tested it in a water flume, measuring key performance metrics such as power output and efficiency.The test were performed under design flow condition. The numerical results were validated with performance tests. The numerical analysis revealed critical areas of flow separation and turbulence, which were consistent with the observed experimental data.
Experimental and Performance Analysis of Axial Jet Fan with Diffuser Angle 5° Linn, Htet Htet; Swe, War War Min; Latt, Aung Ko; Kyaw, Sandar
The Indonesian Journal of Computer Science Vol. 15 No. 2 (2026): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v15i2.5119

Abstract

This study presents an experimental performance analysis of an axial jet fan with a converging nozzle and a 5° angle of diffuser, designed for basement car parking ventilation. The objective is to improve airflow quality and fan efficiency. The axial jet fan design parameters are computed with theoretical calculations and simulated computational fluid dynamics (CFD) the airflow characteristics and pressure distribution. The results were validated through experimental testing conducted in a fabricated tunnel. Parameters such as axial velocity, pressure distribution, and carbon monoxide (CO) concentration were measured at different fan speeds. The results indicate that the designed nozzle improves inlet airflow and diffuser pressure recovery, leading to improved fan efficiency. Additionally, CO concentration was significantly reduced over time, demonstrating effective ventilation performance. The study confirms that integrating nozzle–fan–diffuser components enhance operational efficiency of axial jet fan.
Co-Authors Latt, Aung Ko Linn, Htet Htet Soe, Aung Kyaw Swe, War War Min