• Title/Summary/Keyword: 신안선

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A study on the small melon-shaped celadon ewer found in the Sinan shipwreck (신안선 출수 청자과형소주자(靑磁瓜形小注子)의 용도에 관한 시론)

  • Lee, Myoungok
    • Korean Journal of Heritage: History & Science
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    • v.52 no.4
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    • pp.154-169
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    • 2019
  • This study attempts to shed light on the nature and purpose of the small melon-shaped celadon ewer that was found in the Sinan shipwreck, focusing on the fact that it has the shape of a ewer, yet could not really have served as a tea or liquor utensil given its small size and unusual shape. We analyzed the shape-related characteristics of other melon-shaped celadon ewers as well as this one; checked the use of similar items unearthed in China and Japan; examined the relevant literature, materials, and paintings; and arrived at the following conclusion. First, it was found that the small melon-shaped celadon ewer was one of a type that was first made in the Southern Song Period in China and continued to be made until the Yuan Period. The artifact displays some differences from many similar relics found in the same shipwreck, particularly its spout, lid, and handle. Second, research on the tea ceremonies and types of liquors prevalent during the Song and Yuan Periods of China, as well as the appearance of this ewer, suggest that it was unsuitable for use as a liquor utensil. Third, we looked at the relevant literature records, paintings, and relics unearthed in China and Japan in an attempt to determine its actual purpose. It is well known that the literati had a deep affection for stationery items, particularly water droppers, which were made in a variety of shapes during the Song Period of China and thereafter. According to literature dating from the Song and Ming Periods, it appears that melon- or ewer-shaped water droppers were used. Certain paintings from the Ming Period depict a small ewer, along with a water dropper, as a stationery item. Looking at paintings dating from medieval Japan, small ewer-shaped objects do not figure among the tea and liquor utensils depicted, whereas kettles with handles and hot water bottles do. Objects known as yeonjeok (a water dropper) were included among the items said to have been made in pottery kilns during medieval Japan. However, a book on flower arrangement of Japan dating from the fifteenth century shows a small ewer, with flowers in it, among the stationery items placed on a desk. Based on this detail, it is concluded that the small melon-shaped celadon ewer from the Sinan shipwreck might have been used as a flower bottle as well as a stationery item.

대규모 지진 등 재난재해 발생시 선박활용 방안

  • Jang, Un-Jae;Kim, Myeong-Jae
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • 2013.06a
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    • pp.258-260
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    • 2013
  • 이 연구는 대규모 지진 등 재해재난 발생시 선박을 활용하는 방안에 대한 연구이다. 최근 신안 등에서 진도 4.9의 지진이 발생하는 등 한반도도 더 이상 지진의 안전지대가 될 수는 없다. 대규모의 지진이 발생하면 도로교통 등이 마비되었을시 긴급을 요하는 환자의 후송 및 대피시설에 대한 방안마련이 필요하다. 실제 지난 한신아와지 대지진시 선박을 이용하여 이러한 조치들이 이루어졌다. 따라서 도로교통 마비시 선박을 현장지휘를 위한 지휘선(실습선), 병원선 및 카페리선(피난선)을 활용한다면 보다 적극적인 위기대응이 될 것으로 판단된다.

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A Study on the Analysis of Line Constants Model in EMTP (EMTP의 선로 모델의 비교분석에 관한 연구)

  • Oh, Kwang-Wun;Yeo, Sang-Min;Kim, Chul-Hwan
    • Proceedings of the KIEE Conference
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    • 2008.07a
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    • pp.2287-2288
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    • 2008
  • 전력계통에는 수많은 기기가 복잡하게 연계 되어있으므로 지락사고가 일어났을 때 피해의 정도가 크다. 그래서 선로 모델링이 중요한데 선로 모델에는 많은 모델이 있기 때문에 각각의 모델들의 특성을 먼저 알아야한다. 그래서 본 논문에서는 몇 가지 선로 모델을 이용하여 모의 하여 결과를 비교해 보았다. 모의 Tool로는 EMTP/ATPDRAW를 이용하였고, 모의한 선로 모델은 Bergeron 비연가 모델, 연가 모델과 PI 등가 모델, 분포정수 모델을 이용하여 당진에서 신안성까지의 송전선로를 모델링하였다. 정상상태 일 때와 A상에서 지락사고가 일어났을 경우를 가정하고 모의하여 파형을 비교하였다.

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A Study on the Changing Properties of Iron Oxides in Black Glazes using Raman Microscope -Focused on Black Glazes Excavated in Shinan Shipwreck- (라만분광현미경을 이용한 흑유자 유약 내 철산화물의 변화 양상 연구 -신안선 출수 흑유자를 중심으로-)

  • Park, Jin Ho;Yu, Heisun;Chung, Yong Jae
    • Journal of Conservation Science
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    • v.35 no.2
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    • pp.117-129
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    • 2019
  • In this study, black-glazed porcelain excavated from the Shinan shipwreck is analyzed to distinguish its characteristics. Glazes of Hong-Tang kiln are thin and exhibit little vitrification, whereas the Ci-Zhou-type and Cha-Yang kilns are similar in terms of their cross section. However, Raman mapping images reveal difference in the distribution area of magnetite. In this study, firing experiments are conducted to determine how iron oxides change properties in black glazes. The results show that when hematite is fired to a temperature greater than $1250^{\circ}C$, it becomes magnetite. Therefore, it is estimated that a firing temperature of approximately $1200^{\circ}C$ is suitable for the Hong-Tang kiln. In addition, glazes of the Ci-Zhou-type and Cha-Yang kilns are fired at approximately $1300^{\circ}C$. However, when the characteristics of firing in ancient kilns are considered, porcelain can be fired for a sufficiently long period to extend to glaze surfaces.