• Proceedings of the Korean Society of Disaster Information Conference
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• 2023.11a
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• pp.45-46
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• 2023

본 논문은 국제민간항공기구(ICAO)의 안전 정의를 기반으로, 항공안전을 유지하기 위해 체계적인 안전관리시스템(Safety Management System, SMS)이 필요함을 강조한다. 특히, COVID-19 이후의 항공 환경 변화에 빠르게 대응할 수 있는 안전관리체계의 필요성을 제기하였으며, 또한, 기존의 하인리히의 법칙을 확장한 Bird의 신도미노 이론을 활용하여 '안전하지 않은 행위'를 세부적으로 분석하고 데이터를 기반으로 이를 탐지하고 관리할 수 있는 방안을 제시한다. 이를 통해 사고나 사건 발생 이전에 이상 경향을 파악하는 중요성을 강조하며, 이를 위해 항공안전데이터를 수집하고 전처리하여 분석의 기반을 마련하고자 한다. 본 논문은 데이터 분석 기술을 활용하여 항공안전을 향상시키는 방법을 탐구하고, 이를 통해 예방적 안전관리의 기반을 제공할 수 있을 것으로 기대하며, 더불어, 데이터 분석 기술의 중요성을 강조하며, 이를 적극적으로 도입하여 안전성을 높이는데 핵심 역할을 할 것을 희망한다.

• Journal of the Korean Society for Aviation and Aeronautics
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• v.28 no.1
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• pp.14-21
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• 2020

Here I investigate what effects Operational Control Center(OCC)'s service quality may have on airline staff's job engagement. My analysis reveals that airline OCC's service quality has a meaningful effect on airline staff's service satisfaction, and that service satisfaction mediates a meaningful effect on staff's job engagement. It was suggested that improving OCC's service quality leads to higher staff's job engagement. Accordingly, I suggest methods of improving OCC's service quality. I find that the importance of contributing factors on OCC's service quality are as follows, in order of most to least important: professionalism, assurance, empathy, reliability, organizational culture, and responsiveness. The results of this study are relevant not only for airlines but also for government agencies such as the National Emergency Management Agency, the Korea Forest Service, the National Police Agency and the Korea Coast Guard that operate aircraft and must ensure aviation safety.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2016.10a
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• pp.700-702
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• 2016

The Doppler Radar that mounted on Electro Optical Tracking System has been operated to measure range and velocity during the initial mission of space launch vehicle at Naro space center. In this paper, we mentioned configuration of MFCW(Multi frequency Continuous Wave) and FMCW(Frequency Modulation Continuous Wave) Doppler Radar on Electro Optical Tracking System and described method of range measurement.

• Electronics and Telecommunications Trends
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• v.38 no.4
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• pp.36-46
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• 2023

This paper presents concepts, policies, industry trends, and related issues in urban air mobility (UAM). UAM will contribute to transportation by mitigating traffic congestion and environmental problems in the future. Accordingly, governments of major countries are promoting UAM policies and demonstration projects as well as preparing laws and certification standards. In UAM, overseas startups lead airframe developments, and major companies from the aircraft, automotive, and information technology industries are also participating. In addition, startups and major companies are building the corresponding infrastructure. For the development of UAM, issues related to technology, regulation systems, and infrastructure still need to be resolved.

• Current Industrial and Technological Trends in Aerospace
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• v.3 no.1
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• pp.108-120
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• 2005

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.31 no.2
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• pp.103-107
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• 2003

• Aerospace Industry
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• s.92
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• pp.24-27
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• 2006

참여정부의 국방획득 제도개선 추진의 결과로 방위사업법이 제정되고, 이 법에 따라 방위사업청 산하 정부출연 법인체로 '06년 2월 2일 새로운 조직의 국방기술품질원(이하 기품원)이 탄생하게 되었다. 이에 기품원 사천센터에서 있었던 T-50엔진(F-404-102)의 내구성 시험평가 현황을 알아보고 이 과정에서 느낀 교훈을 살펴보고자 한다.

• Journal of the Korean Society of Marine Environment & Safety
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• v.30 no.2
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• pp.194-199
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• 2024

Accidents due to aircraft fuel defects rank in the top 13 of the 34 accident types described by CAST-ICAO Common Taxonomy Team(CICTT). Aircraft accidents occur because of the inflow of moisture or pollutants depending on the distribution process and storage environment. To confirm the change in physical properties of the aircraft oil stored for a long time, we stored JET A-1 aircraft oil in a metal can to observe the change after six months. We confirmed that the aircraft oil stored for a long time satisfied the quality standards, and the stability of the fuel oil was high. However, in scenarios in which aircraft oil is stored separately on ships, onshore storage facilities, oil fields, etc., owing to the nature of missions, such as in marine police aircraft, the inflow of moisture or pollutants may likely occur due to changes in the internal and external environment. In addition, pollutants can be analyzed using existing tests and distillation properties, but for moisture, domestic and international standards and domestic laws determine the moisture separation ability of aircraft oil through the water separation index, but the moisture content is not analyzed. Therefore, aviation safety must be secured by adding quality control standards for moisture content and performing revisions to uniformize domestic and international standards and laws.

• Journal of the Korean Society for Aviation and Aeronautics
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• v.26 no.4
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• pp.155-163
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• 2018

The development in air transport increases noise around the airport. In order to reduce the noise around the airport, International Civil Aviation Organization has made a lot of effort since the 1970s and Many countries, including South Korea, are implementing many noise reduction policies. This paper investigates those noise reduction policies of medium-sized airports with similar frequency to Gimpo, Jeju and Gimhae airports in South Korea and compares eleven airports in Europe, eleven airports in Asia and five airports in America, including Oceania. According to the research, European countries developed and applied the navigation procedure to avoid the noise area according to the characteristics of the airport. In Asia, there are not as many domestic noise reduction policies. In case of the United States, it provides information only on noise-sensitive areas around airports. After having investigated various policies, this research has examined the noise reduction policy of South Korea. It is concluded that new navigation procedures which reduce noise should be developed.

• Transactions of the Korean hydrogen and new energy society
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• v.34 no.1
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• pp.47-58
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• 2023

Experimental data conducted by Colson et al. and numerical data conducted in this study were compared through counterflow flames to understand of the characteristic of basic flame about mixture of ammonia/methane. In order to use the suitable numerical mechanism, the validation was performed using total four mechanisms and the Okafor's mechanism showed satisfactory experimental results. The extinction boundary of the stability map could be explained through the effective Lewis number and the trend of LeD. The extinction behavior of the flame was different under the lean and rich symmetric conditions and it was investigated by the major variables, global strain rate (a_g) and mole fraction of ammonia (Ω_NH3).