Research | Sangseok Han

Turbulence Roughness Ship Hydrodynamics

I study how surface roughness affects turbulence and ship hydrodynamics. Roughness effects on turbulence in marine flows.
Using CFD, I study where modelling assumptions break down. Using CFD, I study where modelling assumptions break down.

Research Timeline (2023–2026) · Research Log

2026

Preparing for PhD

Research Highlights

Journal Publication

Beyond uniform roughness: Ship resistance with spatially non-uniform hull surface conditions

First & corresponding author

Ocean Engineering (Q1)

Independent Research · South Korea

SNH36 — Full Paper Invited

A computational fluid dynamics analysis of spatial roughness distributions on ship resistance

First & corresponding author

36th Symposium on Naval Hydrodynamics (SNH36) — Busan, South Korea

2025

International Research

Research Highlights

Cover Article (Selected from 185 papers)

Temperature-induced errors in ITTC model–ship extrapolation

First author

Journal of Marine Science and Engineering (Q2)

Reviewer Excellence Award

Ocean Engineering (Q1)

Visiting Research — The University of Osaka · Japan

Conference Presentation

CFD-based model predictive control for point absorber wave energy converters

Presenting author

The Japan Society of Naval Architects and Ocean Engineers (JASNAOE 2025) — Hyogo, Japan

Peer Reviewer (Invited)

Physics of Fluids (Q1)

MSc Research — University of Strathclyde · United Kingdom

Conference Presentation

Impact of towing tank temperature on model-ship extrapolation

Presenting author

International Congress of Naval Architecture and Maritime Industry — Gijón, Spain

Conference Paper

Numerical analysis of fluid-structure interaction for semi-submersible FOWT

First & corresponding author

International Conference on Computational Methods in Marine Engineering (MARINE 2025) — Edinburgh, UK

2024

Early Outputs & Domestic Recognition

BSc Research — Inha University · South Korea

Best Paper Award

Uncertainty of the ITTC 1957 correlation line with temperature variations

Presenting author

The 13th National Congress on Fluids Engineering — Daejeon, South Korea

Journal Publication

Resistance and speed penalty of a naval ship with hull roughness

Co-author

Ocean Engineering (Q1)

2023

Research Entry & Foundation

BSc Project — Inha University · South Korea

Industrial Technology Award

President of The Society of Naval Architecture of Korea

Conference Presentation

KABOAT 2023 competition report: Virtual simulation of an autonomous boat using MATLAB

Presenting author

Fall Conference of The Society of Naval Architecture of Korea — Daejeon, South Korea

· Research is driven by problems and refined through systematic investigation.

· For collaboration — erikhan.nor@gmail.com