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Dive into the research topics where Byung-Young Min is active.

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Featured researches published by Byung-Young Min.


54th AIAA Aerospace Sciences Meeting | 2016

Parametric Validation Study for a Hovering Rotor using UT-GENCAS

Byung-Young Min; Brian Wake

Analysis of rotors in hover has always been a significant challenge. The presence of strong vortices underneath the rotor requires a large amount of grid points to properly capture the vorticity and many time steps are required to reach a time-independent state. In order to bring the simulation to a more practical state for industry, a modified hybrid Navier-Stokes/Free-wake method has been introduced, which successfully reduced grid count and simulation time by one order of magnitude compared to full Navier-Stokes simulations. In this hybrid method, Navier-Stokes and free-wake solvers are loosely coupled for fast convergence in hover. The S-76 model-scale blades with three tip designs were studied to assess current approaches. The proposed approaches showed reasonable-to-good correlation with measured Figure of Merit, thrust and torque data. The impacts of tip design and tip-speed variations were captured well. Furthermore, solution sensitivity to grid density, sub-iteration convergence, and turbulence model were investigated. The physical mechanisms of tip-design impact on hover performance were also studied.


53rd AIAA Aerospace Sciences Meeting | 2015

Analysis of a Hovering Rotor using UT-GENCAS: A Modified Hybrid Navier-Stokes/Free-Wake Method

Byung-Young Min; Brian Wake

Analysis of rotors in hover has always been a significant challenge. The presence of strong vortices underneath the rotor requires a large amount of grid points to properly capture the vorticity and many time steps are required to reach a time-independent state. In this study, a hybrid Navier-Stokes/free-wake method is used to preserve trailing vortices with a lower grid count. In order to achieve fast steady performance solution, two wake modeling approaches are introduced. One is a free-wake model with relaxation, and the other is a constrained down-wash wake model based on Landgrebe model. In this hybrid method, Navier-Stokes and free-wake solvers are loosely coupled for fast convergence in hover. The S-76 model-scale blades with three tip designs were studied to assess current approaches. The proposed approaches showed reasonable to good correlation with measured Figure of Merit, thrust and torque data, and the impacts of tip design and tip speed variations were captured well.


Archive | 2013

Boundary layer ingesting blade

Blake Almy Moffitt; Thomas G. Tillman; Brian E. Wake; Byung-Young Min; Claude G. Matalanis


AHS International Forum 73 | 2017

Numerical Study of Retreating Side Blowing Concept for a Rotor in High Speed Flight

Byung-Young Min; Peter F. Lorber; Charles R. Berezin; Sikorsky; Brian Wake; Mark W. Scott


ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition | 2018

Large-Eddy Simulation of Corner Separation in a Compressor Cascade

Byung-Young Min; Jongwook Joo; Jomar Mendoza; Jin Lee; Guoping Xia; Gorazd Medic


AHS International Forum 74 | 2018

Toward Improved UH-60A Blade Structural Loads Correlation

Byung-Young Min; Sandeep Agarwal; Sikorsky; Isaac Wilbur; Marilyn J. Smith; Ramin Modarres; Jinggen Zhao; Jonathan Wong; Brian Wake


2018 AIAA Aerospace Sciences Meeting | 2018

Hovering Rotor Simulation using OVERFLOW with Improved Turbulence Model

Byung-Young Min; Craig A. Reimann; Brian Wake; Solkeun Jee; James D. Baeder


Archive | 2017

DRAG REDUCTION OF HIGH SPEED AIRCRAFT

Razvan Virgil Florea; Patrick Bowles; Barbara Brenda Botros; Byung-Young Min; Claude G. Matalanis; Brian E. Wake


Archive | 2017

VORTEX GENERATORS AND METHOD OF CREATING VORTICES ON AN AIRCRAFT

Patrick Bowles; Barbara Brenda Botros; Byung-Young Min; Claude G. Matalanis; Brian E. Wake


Archive | 2017

PLATE MEMBER FOR REDUCING DRAG ON A FAIRING OF AN AIRCRAFT

Patrick Bowles; Byung-Young Min; Barbara Brenda Botros; Brian E. Wake; Claude G. Matalanis

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Solkeun Jee

Gwangju Institute of Science and Technology

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Ari Glezer

Georgia Institute of Technology

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Peter F. Lorber

Massachusetts Institute of Technology

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Thomas M. Crittenden

Georgia Institute of Technology

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