Browsing by Author "25d801b9-a225-409a-a296-b74f2f42223f"
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Evaluating velocity and temperature fields for Ranque Hilsch vortex tube using numerical simulation
Al Saghir, Ahmad Mohammad; Hamdan, Mohammad; Orhan, Mehmet Fatih (Elsevier, 2021)In this study, a three-dimensional numerical investigation is carried out to study the flow field inside a Ranque-Hilsch vortex tube (RHVT) model. Flow parameters such as velocity, temperature, and pressure are plotted at ... -
Evaluating velocity and temperature fields for Ranque Hilsch vortex tube using numerical simulation
Al Saghir, Ahmad Mohammad; Hamdan, Mohammad; Orhan, Mehmet Fatih (Elsevier, 2021)In this study, a three-dimensional numerical investigation is carried out to study the flow field inside a Ranque-Hilsch vortex tube (RHVT) model. Flow parameters such as velocity, temperature, and pressure are plotted at ... -
Fluid properties impact on energy separation in Ranque–Hilsch vortex tube
Al Saghir, Ahmad Mohammad; Hamdan, Mohammad; Orhan, Mehmet Fatih (Springer Nature, 2022)This paper examines the energy separation in vortex tubes which is a passive device that can split a pressurized room temperature gas stream to hot and cold streams. The paper employs numerical simulations to investigate ... -
Hydrogen Supplement Co-combustion with Diesel in 2 Compression Ignition Engine
Hamdan, Mohammad O.; Selim, Mohamed Y. E. (Elsevier, 2015-10)The present work investigates experimentally the behavior of compression ignition engine while boosting the combustion by enriching air-intake manifold with hydrogen supplement at the atmospheric condition. The study reports ... -
Numerical Analysis of Film Cooling Shield Formed by Confined Jet Discharging on a Flat Plate
Al-Hemyari, Mohammed; Hamdan, Mohammad; Orhan, Mehmet Fatih (International Information and Engineering Technology Association, 2019)The effects of centrifugal force and thermal conductivity on the effectiveness of a film cooling shield are investigated in this study. A confined jet with 90 degree angle is used, to inject cooling fluid into hot steam, ... -
Numerical and sensitivity analyses of various design parameters to maximize performance of a Vortex Tube
Al Saghir, Ahmad Mohammad; Hamdan, Mohammad; Orhan, Mehmet Fatih; Awad, Mahmoud (Elsevier, 2022)In this study, a series of numerical simulations are performed to investigate the performance of a vortex tube (VT) with various design parameters. The study focuses on six design parameters, mainly, inlet pressure, VT ... -
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
Al-Hemyari, Mohammed; Hamdan, Mohammad; Orhan, Mehmet Fatih (MDPI, 2020)This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ... -
Optimization of a Confined Jet Geometry to Improve Film Cooling Performance Using Response Surface Methodology (RSM)
Al-Hemyari, Mohammed; Hamdan, Mohammad; Orhan, Mehmet Fatih (MDPI, 2020)This study investigates the interrelated parameters affecting heat transfer from a hot gas flowing on a flat plate while cool air is injected adjacent to the flat plate. The cool air forms an air blanket that shield the ...