Study on behavior and emission of methane/hydrogen diffusion flame with applied DC electric field

Byeong Hun Seok, Jun Seok Kim, Sung Hwan Yoon, Jungho Hwang, Dae Geun Park

This experimental study investigates the effect of DC electric fields on flame behavior and emissions in non-premixed hydrogen/methane flames using a co-flow bu...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.211

Effects of harmonic on battery lifetime based on variations of space vector modulation in inverter

VU VAN HUNG, Kyoung-kuk Yoon, Sung-geun Lee

Various regulations for the prevention of environmental pollution are being implemented worldwide. Environmental pollution is mostly attributed to harmful gases...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.219

Effect of metal ratios on oxygen evolution reaction activity in binary hydroxide electrocatalysts

Seo Hyun Park, Yoo Sei Park

Electrochemical water splitting is a promising technology to produce hydrogen energy from water utilizing electricity. However, the sluggish kinetics of an oxyg...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.226

Study of hydrodynamic analysis of eco-friendly buoys with biodegradable plastic materials

Jae-Sang Jo

The use of polystyrene (EPS) in ocean farming has recently changed to eco-friendly materials such as polyethylene (PE) and polypropylene (PP). However, despite ...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.231

A study to develop a linear quadratic controller for a ship central cooling system

Tae-youl Jeon

In this study, a linear quadratic (LQ) controller was developed and applied to maintain the desired freshwater outlet temperature, efficiently operate the seawa...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.238

Improved sliding mode observer for FOC control system with discontinuous PWM of sensorless PMSM

VU VAN HUNG, Kyoung-kuk Yoon, Sung-geun Lee

With the increasing number of electric cars worldwide, permanent-magnet synchronous motors (PMSMs) are becoming increasingly popular in the transportation indus...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.244

Initial structural design approach for jacket-type substructure in 12 MW class offshore wind turbines considering soil stiffness

Joo-Shin Park, Seon-Hyeok Kim, Jung Kwan Seo

The wind power industry continues to grow, driven by environmental concerns such as achieving carbon neutrality, which has recently gained prominence. Creating ...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.252

Development and empirical study on integrated ventilation–cleaning filter system for removal of harmful substances flowing into ship cabins

Hae-Yeon Ko, Jeong-Hyeon Lee, Seo-An Lee, Jung-Koo Kang, Sang-Deuk Lee

Marine environment protection and the improvement of the internal environment of ships are emerging as necessary tasks in modern ship operations. In particular,...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.261

Legal considerations for implementing Extended Reality (XR) technology in the shipbuilding industry: Perspectives on devices and software

DongHyup Youn, JaeWook Jang

This study explores the implementation of Extended Reality (XR) technology, which encompasses virtual, augmented, and mixed reality elements, in the shipbuildin...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.267

Preliminary study on the development of sailing modes for ships

Changjae Moon, Giltae Roh, Kyunghwa Kim, Kido Park

The shipbuilding and shipping industries have recently adopted regulations, such as the energy efficiency design index, existing energy efficiency index, and ca...

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DOI: https://doi.org/10.5916/jamet.2023.47.5.275