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Junsun Ahn
Junsun Ahn
Department of Railway Vehicle System Engineering, Korea National University of Transportation
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Direct numerical simulation of a 30R long turbulent pipe flow at Re¥ó= 3008
J Ahn, JH Lee, J Lee, J Kang, HJ Sung
Physics of Fluids (1994-present) 27 (6), 065110, 2015
1262015
Contribution of velocity-vorticity correlations to the frictional drag in wall-bounded turbulent flows
M Yoon, J Ahn, J Hwang, HJ Sung
Physics of Fluids 28 (8), 2016
712016
Direct numerical simulations of fully developed turbulent pipe flows for Re¥ó= 180, 544 and 934
J Ahn, JH Lee, SJ Jang, HJ Sung
International journal of heat and fluid flow 44, 222-228, 2013
532013
Comparison of large-and very-large-scale motions in turbulent pipe and channel flows
J Lee, J Ahn, HJ Sung
Physics of Fluids 27 (2), 2015
432015
Influence of a large-eddy breakup device on the frictional drag in a turbulent boundary layer
JS Kim, J Hwang, M Yoon, J Ahn, HJ Sung
Physics of Fluids 29 (6), 2017
362017
Contribution of large-scale motions to the Reynolds shear stress in turbulent pipe flows
J Ahn, J Lee, HJ Sung
International Journal of Heat and Fluid Flow 66, 209-216, 2017
182017
Statistics of the turbulent boundary layers over 3D cube-roughened walls
J Ahn, JH Lee, HJ Sung
International journal of heat and fluid flow 44, 394-402, 2013
182013
Azimuthal organization of large-scale motions in a turbulent minimal pipe flow
J Han, J Hwang, M Yoon, J Ahn, HJ Sung
Physics of Fluids 31 (5), 2019
162019
Relationship between streamwise and azimuthal length scales in a turbulent pipe flow
J Ahn, HJ Sung
Physics of Fluids 29 (10), 2017
102017
Mean thermal energy balance analysis in differentially heated vertical channel flows
KH Kim, J Ahn, JI Choi
Physics of Fluids 33 (6), 2021
92021
Statistical behavior of shear layers of reactive oxygen/kerosene spray
S Choi, J Ahn, J Koo
Acta Astronautica, 2019
62019
Contribution of Reynolds shear stress to near-wall turbulence in Rayleigh–Bénard convection
J Ahn, KH Kim, X Pan, JI Choi
International Journal of Heat and Mass Transfer 181, 121873, 2021
42021
A study on a partially-open bogie fairing to improve anti-snow performance of a high-speed train
HK Beomsu Kim, Junsun Ahn
Journal of Mechanical Science and Technology 37 (4), 1859-1869, 2023
32023
Numerical study of the effect of the tunnel hood on micro-pressure wave for increasing high-speed train operation speed
B Kim, J Ahn, H Kwon
Journal of Mechanical Science and Technology 38 (2), 721-733, 2024
22024
Aerodynamic performance of a pantograph cover for high-speed train
JA Seung Joong Kim, Hyeokbin Kwon
Journal of Mechanical Science and Technology 37 (9), 4681-4693, 2023
22023
Characteristics of a Flow Field Generated by a Breach on an Evacuated Tube
J Ahn, B Kim, J Kim, H Kwon, W Cho
International Journal of Aeronautical and Space Sciences 23 (5), 848-858, 2022
22022
Characterization of vortical structures in T-shaped branches depending on shear-thinning
J Kim, J Ahn, H Kim
Physics of Fluids 33 (3), 2021
22021
Numerical analysis of pantograph for aerodynamic uplift force
SJ Kim, H Kwon, J Ahn
Journal of the Korean Society for Railway 25 (7), 510-519, 2022
12022
Assessment of crosswind safety of a 400 km/h high-speed train through reduced-scale wind tunnel testing.
B Kim, N Kim, J Ahn, H Kwon, K Lee
Bulletin of the American Physical Society, 2024
2024
Numerical investigation on the aerodynamic effects of underbody blockage ratio on high-speed train using full-housing bogie
NY Kim, B Kim, J Ahn, M Kwak, H Kwon
Bulletin of the American Physical Society, 2024
2024
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