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오수연,이진이,한국우주과학회 태양우주환경분과,Oh, Suyeon,Lee, Jin-Yi,Division of Solar and Space Environment of KSSS, 한국우주과학회 2021 우주기술과 응용 Vol.1 No.2
The Solar and Space Environment Division of the Korean Space Science Society investigated the use and possession of ground and satellite observations and models of solar and planetary data operated by domestic research institutes and universities. Based on the findings, we would like to introduce observational instruments, data, and models in solar and interplanetary fields in this paper to improve understanding and use of each data and explore opportunities for interdisciplinary research. The ground and satellite observations, which require a lot of investment, were mainly held by research institutes (National Meteorological Satellite Center, Polar Research Institute, Korean Space Weather, Korea Astronomy and Space Science Institute and KAIST Satellite Research Institute), and model development was overwhelmingly carried out at Kyung Hee University. In solar and interplanetary fields, we introduce Fast Imaging Solar Spectrograph (FISS), neutron monitors, and the analysis models [for the Solar Dynamics Observatory/Atmospheric Imaging Assembly (SDO/AIA) and Hinode/X-Ray Telescope (XRT) observations] in nonequilibrium ionization state as representatives. Survey on solar and interplanetary fields can be downloaded from the website of the Korean Space Science Society (http://ksss.or.kr/). The paper makes know the importance of long-term and continuous management of space science-related materials, and hopes to contribute to enhancing the status of domestic space science data by utilizing locally produced data by various personnel participating in space science research. 한국우주과학회 태양우주환경분과에서 국내 연구소와 대학에서 운영 중인 태양 및 행성간의 자료를 지상관측기, 위성 및 모델에 대한 보유 및 활용에 대한 조사를 실시하였다. 조사 결과를 바탕으로 각 자료에 대한 이해와 활용도를 높이고, 분야 간 융합 연구 기회를 모색하고자 본 논문에서 태양 및 행성간 분야의 관측 자료와 모델을 소개하고자 한다. 투자가 많이 필요한 지상 관측기 및 위성 분야는 주로 연구소(국가기상위성센터, 극지연구소, 우주전파센터, 한국천문연구원 및 KAIST 인공위성연구소)에서 자료를 보유하고 있었으며, 모델 개발은 경희대학교에서 압도적으로 수행하였다. 태양 및 행성간 분야에서 고속태양분광기(Fast Imaging Solar Spectrograph, FISS), 우주선 중성자 관측기 및 이온화 비평형 상태 Solar Dynamics Observatory/Atmospheric Imaging Assembly(SDO/AIA)와 Hinode/X-Ray Telescope(XRT) 온도 대응 함수 모델을 대표로 소개한다. 태양 및 행성간 분야의 자료에 대한 조사 내용은 한국우주과학회 홈페이지에서 다운로드할 수 있다(http://ksss.or.kr/). 이 논문이 우주과학 관련 자료에 대한 장기적이고 연속적인 관리에 대한 중요성을 인식하며, 우주과학 연구에 참여하는 다양한 인력들이 참조하여 국내에서 생산되고 있는 자료를 활용하여 국내 우주과학 자료의 위상을 높이는 데 기여하기를 희망한다.
극지 해양플랜트 및 빙해선박용 갑판기자재 성능평가 방법
오수연(Oh Suyeon),신일섭(Shin Il-sup),민성환(Min Seonghwan),김동현(Kim Donghyun),이희경(Lee Huigyeong) 대한기계학회 2015 대한기계학회 춘추학술대회 Vol.2015 No.11
Recently, there is growing interest in safety criteria intended for polar class vessel and arctic marine plant in harsh environment such as low temperature, relative wind speed and sea spray. There are no specific regulations for testing the deck equipment for a location in the polar regions. This study provide the test procedure and performance requirement of deck equipment installed in polar class vessel and Arctic marine plant.
The differences in Constellation drawings among different countries
이유,오수연,Karimova, Ulkar,Yi, Yu,Oh, Suyeon 한국천문학회 2012 天文學會報 Vol.37 No.2
Constellations are formed of bright stars which appear close to each other on the sky, but are really far apart in space. The shapes you see all depend on your point of view. Back before people had televisions and electricity to light their homes at night, they spent a lot more time looking at the stars. People all over the world used their imaginations to draw pictures in the sky, as if it were a giant connect-the-dot game. The patterns they imagined are called constellations. People usually saw patterns that reflected their different cultures. Native Americans in North America imagined many animals and shapes from the natural world. The ancient Greeks found images of gods and goddesses in the stars. Sometimes people from very different parts of the world even imagined the same animal or shape in the same stars. Most of the constellations we recognize today were made up by the ancient Greeks around 6,000 years ago. Different constellations are visible at different times of year, so the first appearance of these patterns told farmers of the changing seasons and reminded them to plant or harvest their crops. The constellations also help us to find our way around the night sky and to remember which stars are which. The star names we use today are mostly from Greek and Arabic, but many are changed a bit from the original, as often happens when words are passed from one language to another. It can be difficult to picture just what those folks long ago were seeing in the stars, so don't be discouraged if you have trouble seeing their patterns. You can even make up your own! In ancient world all the countries or regions had their own way to name things up in the sky, make up stories and draw different shapes for constellations. Today there are 88 official constellations, but you may find that different books show their stars connected in slightly different ways. The official constellations are specific regions of the sky, so the exact patterns are not all that important. However in various cultures there are some famous star patterns that use stars from only apart of a constellation, or even connect stars from different constellations. These patterns of stars that are not official constellations are called asterisms. The Big Dipper is a very famous asterism, found in the constellation Ursa Major, or Great Bear.
Forbush Decreases Observed by the LRO/CRaTER
손종대,오수연,이유,김어진,이주희,Sohn, Jongdae,Oh, Suyeon,Yi, Yu,Kim, Eojin,Lee, Joo-Hee,Spence, Harlan E. 한국천문학회 2012 天文學會報 Vol.37 No.2
The Lunar Reconnaissance Orbiter (LRO) launched on June 16, 2009 has six experiments including of the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) onboard. The CRaTER instrument characterizes the radiation environment to be experienced by humans during future lunar missions. The CRaTER instrument measures the effects of ionizing energy loss in matter specifically in silicon solid-state detectors due to penetrating solar energetic protons (SEP) and galactic cosmic rays (GCRs) after interactions with tissue-equivalent plastic (TEP), a synthetic analog of human tissue. The CRaTER instrument houses a compact and highly precise microdosimeter. It measures dose rates below one micro-Rad/sec in silicon in lunar radiation environment. Forbush decrease (FD) event is the sudden decrease of GCR flux. We use the data of cosmic ray and dose rates observed by the CRaTER instrument. We also use the CME list of STEREO SECCHI inner, outer coronagraph and the interplanetary CME data of the ACE/MAG instrument.We examine the origins and the characteristics of the FD-like events in lunar radiation environment. We also compare these events with the FD events on the Earth. We find that whenever the FD events are recorded at ground Neutron Monitor stations, the FD-like events also occur on the lunar environments. The flux variation amplitude of FD-like events on the Moon is approximately two times larger than that of FD events on the Earth. We compare time profiles of GCR flux with of the dose rate of FD-like events in the lunar environment. We figure out that the distinct FD-like events correspond to dose rate events in the CRaTER on lunar environment during the event period.
Construction of the image database of Earth's lava caves useful in identifying the lunar caves
홍익선,정종일,손종대,오수연,이유,Hong, Ik-Seon,Jeong, Jongil,Sohn, Jongdae,Oh, Suyeon,Yi, Yu 한국천문학회 2012 天文學會報 Vol.37 No.2
Cave on the Moon is considered as the most appropriate place for human to live during the frontier lunar exploration. While the lava flows, the outer crust gets cooled and solidified. Then, the empty space is remained inside after lava flow stops. Such empty space is called the lava caves. Those lava tubes on the Earth are formed mostly by volcanic activity. However, the lava tubes on satellite like Moon and planet like Mars without volcanic activity are mostly formed by the lava flow inside of the crater made by large meteorite impact. Some part of lava tube with collapsed ceiling appears as the entrance of the cave. Such area looks like a deep crater so called a pit crater. Four large pit craters with diameter of > 60 m and depth of > 40 m are found without difficulty from Kaguya and LRO mission image archives. However, those are too deep to use as easily accessible human frontier base. Therefore, now we are going to identify some smaller lunar caves with accessible entrances using LRO camera images of 0.5 m/pixel resolution. Earth's lava caves and their entrances are well photographed by surface and aerial camera in immense volume. Thus, if the image data are sorted and archived well, those images can be used in comparison with the less distinct lunar cave and entrance images due to its smaller size. Then, we can identify the regions on the Moon where there exist caves with accessible entrances. The database will be also useful in modeling geomorphology for lunar and Martian caves for future artificial intelligence investigation of the caves in any size.
컨테이너 물류추적 장치의 배터리 적용에 관한 표준 동향 고찰
이은규(Eun Kyu Lee),최형림(Hyung Rim Choi),김재중(Jae Joong Kim),김채수(Chae Soo Kim),강병오(Byung O Kang),김동완(Dong Wan Kim),신일섭(Il-sup Shin),오수연(Suyeon Oh) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
해운물류 보안과 신뢰성에 대한 중요성이 부각되며 컨테이너의 상태정보 제공을 하는 장치인 컨테이너 물류추적 장치가 글로벌 선사를 중심으로 수요가 확대되고 있다. 컨테이너 물류추적 장치에 필수적으로 설치되는 배터리는 International Maritime Organization(IMO) 규정에 따라 위험물로 인식되어 사용이 제한되기 때문에 추적장치의 시장 활성화에 한계가 있었다. 그러나 개정된 IMO 규정에서 안전형식승인을 받은 물류추적 장치는 위험물 취급 시 예외로 적용될 수 있도록 개정이 됨으로 인해 컨테이너 추적장치의 활성화를 위한 계기가 마련되었다. 본 논문에서는 이와 관련된 IMO 규정을 살펴보고, 예외조항이 컨테이너 추적장치의 활성화에 미칠 영향을 고찰하였다.