Woocheol Kim

Mechanistic Study of Post-Lay-Up Debris Formation in Upper Nozzles of Open-Recirculating Cooling Water Systems

Yong-Won Kim, Ha-Yeong Jo, Un-Su Kang, Woocheol Kim et autres

This study investigates the formation mechanism of corrosion debris observed in an open-recirculating cooling water system after lay-up period. To elucidate the underlying mechanism, a two-step simulating experiment was designed to reproduce the actual operating cycle of the system, considering the alternating …

kr (code pays fourni par la source)

Protecting federated learning from malicious attacks using consensus technique

Woocheol Kim, Jaehyoung Park, Jin-Hee Cho, Dong Seong Kim et autres

kr, au, us (code pays fourni par la source)

Coexistence of Military and Commercial 5G Mobile Network

Sangchul Oh, Nakwoon Sung, Heesang Chung, Ki-Won Kim et autres

The convergence of commercial 5G mobile networks and military mobile infrastructures presents both an opportunity and a challenge for national defense communication systems. The paper proposes architectural models that enable secure and efficient coexistence between these two domains. Three coexistence strategies are …

kr (code pays fourni par la source)

5G defense network using commercial gNodeB with zero trust architecture

Woocheol Kim, Sunji Oh, Chang‐Gyu Lim, Ki-Won Kim et autres

Abstract As 5G technology expands globally, the demand for secure and reliable military communication is growing significantly. This study examines 5G military network architectures that integrate commercial 5G elements, ranging from isolated to shared configurations, to balance security, cost, and coverage. We …

kr (code pays fourni par la source)

An analysis of research trends on feedback-seeking behavior: Focusing on Korean empirical studies

Kwang-Woo Kim, Woocheol Kim, Hyunjeong Jo, Woonghwan Sul

This study systematically analyzed quantitative research on feedback-seeking behavior (FSB) in Korea to identify trends, characteristics, and implications. Following the PRISMA guidelines, 47 articles published in KCI-listed and candidate journals until September 2024 were selected. The findings are as follows. First, research …

Failure analysis of atmospheric relief diaphragm in the low pressure steam turbine

Jeong-Min Lim, Woocheol Kim, Jung‐Gu Kim

kr (code pays fourni par la source)

Evaluation of Electrochemical Properties and Life Prediction of Sensor Wire in Leak Detection Systems of Underground Heating Pipelines

Yunho Lee, Seung‐Hyun Kim, Un-Su Kang, Woocheol Kim et autres

In this study, we investigated the electrochemical properties and lifespan of the NiCr (NiCr 8020) sensor wire of a resistance leaking detection (LD) system to detect pipe corrosion and leakage in an actual district heating (DH) system. The temperature and applied stress …

Tri-generation of sensible heat, hydrogen, and electricity in an aluminum-air flow battery (AAB) system

Jeongseog Oh, Siwon Yoon, Woocheol Kim

kr (code pays fourni par la source)

Failure analysis of low carbon steel pipeline for district heating and cooling systems: Case studies

Seung‐Hyun Kim, Sin-Jae Kang, Woocheol Kim, Jung‐Gu Kim

kr (code pays fourni par la source)

Hydrogen production by water splitting using commercial Al pellets in a circulating NaOH flow reactor

Jeongseog Oh, Siwon Yoon, Woocheol Kim

kr (code pays fourni par la source)

Failure Analysis of Low Carbon Steel Pipeline for District Heating and Cooling Systems: Case Studies

Seung‐Hyun Kim, Sin-Jae Kang, Woocheol Kim, Jung-Gu Kim

kr (code pays fourni par la source)

Protecting Federate Learning from Malicious Attacks Using Consensus Technique

Woocheol Kim, Jaehyoung Park, Jin-Hee Cho, Dong Seong Kim et autres

kr, us, au (code pays fourni par la source)