Search Results - "Kwak, Jae Su"
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Experimental optimization of a fan-shaped film cooling hole with 30 degrees-injection angle and 6-hole length-to-diameter ratio
Published in International journal of heat and mass transfer (01-12-2019)“…•The effect of the shape parameter of fan-shaped holes on film cooling effectiveness was experimentally investigated using the PSP (Pressure Sensitive Paint)…”
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2
Experimental Optimization of the Compound Angled Asymmetric Laidback Fan Shaped Film Cooling Hole
Published in Energies (Basel) (01-11-2022)“…In this study, the effect of shape variables on the film cooling effectiveness of the compound angled asymmetric laidback fan shaped hole was experimentally…”
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3
Effect of Mainstream Velocity on the Optimization of a Fan-Shaped Film-Cooling Hole on a Flat Plate
Published in Energies (Basel) (01-06-2021)“…In this study, the effect of mainstream velocity on the optimization of a fan-shaped hole on a flat plate was experimentally investigated. The experiment was…”
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Effect of Mainstream Velocity on the Heat Transfer Coefficient of Gas Turbine Blade Tips
Published in Energies (Basel) (01-12-2021)“…This study experimentally investigated the effects of cascade inlet velocity on the distribution and the level of the heat transfer coefficient on a gas…”
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5
The Effects of Hole Arrangement and Density Ratio on the Heat Transfer Coefficient Augmentation of Fan-Shaped Film Cooling Holes
Published in Energies (Basel) (01-01-2021)“…An experimental study was performed to investigate the effects of the arrangement of fan-shaped film cooling holes and density ratio (DR) on heat transfer…”
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6
Large Eddy Simulations on Film Cooling Flow Behaviors with Upstream Turbulent Boundary Layer Generated by Circular Cylinder
Published in Energies (Basel) (01-11-2021)“…Large eddy simulations on film cooling hole array on a flat plate was carried out to investigate upstream turbulence effect. Circular cylinders were configured…”
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7
Effects of turbine blade tip shape on total pressure loss and secondary flow of a linear turbine cascade
Published in The International journal of heat and fluid flow (01-02-2012)“…► Effect of gas turbine blade tip shape on the tip leakage flow and total pressure loss. ► 11 tip shapes including plane, squealer, dimpled, and newly proposed…”
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Mass Flow Function Correlation for Solid and Honeycomb Land Labyrinth Seals including Fin Front Angle, Clearance, Fin Number and Honeycomb Geometry
Published in Machines (Basel) (01-09-2023)“…In this study, the effects of several geometry factors (fin front angle, clearance, number of fins, and honeycomb cell diameter and depth) on the mass flow…”
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9
Comparison of Aerodynamic Loss of a Gas Turbine Vane with Various Trailing Edge Cooling Schemes
Published in Aerospace (01-02-2023)“…In this study, a comparison of aerodynamic loss of gas turbine vane with various trailing edge configurations was experimentally performed. For the trailing…”
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10
Heat transfer augmentation using a rib–dimple compound cooling technique
Published in Applied thermal engineering (01-03-2013)“…Detailed distributions of the heat transfer coefficients in the channel with both angled ribs and dimples were measured using the transient liquid crystal…”
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11
Experimental Investigation on the Effects of DBD Plasma on the Film Cooling Effectiveness of a 30-Degree Slot
Published in Applied sciences (01-06-2017)“…The effects of dielectric barrier discharge (DBD) plasma on the film cooling effectiveness of a 30-degree slot was experimentally investigated in a low-speed…”
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Journal Article -
12
Effects of rim location, rim height, and tip clearance on the tip and near tip region heat transfer of a gas turbine blade
Published in International journal of heat and mass transfer (01-12-2004)“…Effects of the rim height and the tip gap clearance on the heat transfer coefficients on the blade tip and near tip regions were measured with two different…”
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13
Development of a Plate-Fin Type Gas Turbine Recuperator
Published in Journal of mechanical science and technology (01-07-2006)“…A plate-fin type recuperator for a gas turbine/fuel cell hybrid power generation system was designed, manufactured, and tested. Performance analysis shows that…”
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14
Numerical and experimental studies on the mixing characteristics of two jets with inclined angles in a rectangular chamber
Published in Journal of mechanical science and technology (01-10-2014)“…Mixing characteristics in a rectangular chamber are investigated using experimental and numerical methods. A mixing chamber with an axial inlet (representing…”
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Journal Article -
15
Uncertainty Analysis and ANOVA for the Measurement Reliability Estimation of Altitude Engine Test
Published in Journal of mechanical science and technology (01-04-2007)“…The altitude engine test is carried out to measure the performance of the engine of flight vehicle at the high altitude environment prior to the flight test…”
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16
Effect of hole shape on the heat transfer in a rectangular duct with perforated blockage walls
Published in Journal of mechanical science and technology (01-10-2008)“…Heat transfer coefficients were measured by the improved hue detection based liquid crystal technique in a turbine blade internal cooling passage model with…”
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Journal Article Conference Proceeding -
17
Development of a Plate-Fin Type Gas Turbine Recuperator
Published in Journal of mechanical science and technology (01-07-2006)“…A plate-fin type recuperator for a gas turbine/fuel cell hybrid power generation system was designed, manufactured, and tested. Performance analysis shows that…”
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Journal Article -
18
Effects of trench configuration on the film cooling effectiveness of a fan-shaped hole
Published in International journal of heat and mass transfer (01-10-2021)“…•Study on the film cooling effectiveness of a fan-shaped hole with various trench configurations was conducted.•The effect of flow conditions such as density…”
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Journal Article -
19
Uncertainty Analysis and ANOVA for the Measurement Reliability Estimation of Altitude Engine Test
Published in Journal of mechanical science and technology (01-04-2007)“…The altitude engine test is carried out to measure the performance of the engine of flight vehicle at the high altitude environment prior to the flight test…”
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Journal Article -
20
Experimental study on heat transfer characteristics in a ribbed channel with dimples, semi-spherical protrusions, or oval protrusions
Published in Applied thermal engineering (25-02-2018)“…•Study on the heat transfer augmentation of a ribbed channel using dimple or protrusion.•Detailed distribution of the heat transfer coefficient was obtained…”
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