• The Journal of Korean Philosophical History
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• no.27
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• pp.469-496
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• 2009

Ding Shihan(styled Yutan; 丁時翰, 愚潭) was famous for his four-seven differentiation(四七辨證) on the area of neo-Confucianism. Yet few comments and criticism were made on his poetry, for rarely of which was handed down from generations. Hence there is a mystry on his talent in terms of poetics. Noted by Zhou Dunyi(styled Lianxi; 周敦頤, 濂溪) and Zhuxi(styled Hui'an; 朱熹, 晦庵) in Song Dynasty, most of neo-Confucianism scholars after them were expert at intoning and thus formed the poetic school of "Elegance of Lian-Luo"(濂洛風雅). Therefore, there is also a mystry on how his poetry related to his works of neo-Cunfucianism. During his whole life, Ding never involved himself in politics as an official. He read Confucian classics a lot, and was also proficient in classics of Buddhism and Taoism. In addition, he was fond of travelling in nature. A superfical conclustion is made based on these situation that his thoughts was closely linked with Confucianism, Taoism and Buddhism. Therefore, it is worth elaborating whether his thoughts belonged to Confucianism, Taoism and Buddhism, and whether he was a pure Confucian( 醇儒) through his whole life.

• Transactions of the Korean Society of Mechanical Engineers
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• v.7 no.2
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• pp.218-225
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• 1983

측벽부착형 순유체조자에서 제어입력이 존재할 때 2차원 난류제트가 오프셋된 경사면에 재접합하 는 현상을 연구하였고 정상상태하의 재접합모델을 이론적으로 전개하였다. 순유체조자의 상하면 이 제트의 확산에 미치는 영향을 조사하기 위하여 제트의 중심선에 따라 최대속도를 측정하였고, 그 결과에 따라 본 모델에 사용한 제트확산계수(.sigma.)의 값은 자유제트의 것 (.sigma.=7.67)보 다 큰 .sigma.=10.5로 택하였다. 이론적 모델을 확증하기 위하여 제트의 재접합점과 변형각도에 관한 기존 논문에 보고된 실험적 연구결과와 비교하여 좋은 일치를 보았다.

• Journal of Korean Classical Literature and Education
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• no.15
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• pp.67-88
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• 2008

In spite of a few numbers of Hyangga that is handed down today, Hyangga has diverse and abundant contents. So it is possible to survey Hyangga as a journey literature of the middle age. On this purpose we can inquire into the Hwarangs' group journey, because the Hwarang was one of the main enjoying group of Hyangga. Hwarangs' group journey shows many aspects. They made a journey for the public purpose like a tour of inspection of people's daily life and the fortresses of the country's peripheral areas. Also, they made a journey for personal purposes like enjoying the attractive view of the mountains and rivers or seeking pretty girls outside of the palace. On these journeys, Hwarang made and enjoyed Hyanggas. Among Hyanggas that remains today, Hyeseongga and Cheoyongga have a direct relation to Hwarang's journey. Hyeseongga was made to eliminate the calamities that occurred at the time of the start of a journey. It is expressed in this poem that Hwarang could take a peaceful trip with the condition that the celestial objects shed light on the earth path. As such, the trip becomes a sacred ceremony. Cheoyongga reflects the fact that the foreigner Cheoyong became Hwarang and toured the streets of Seorabeol, the capital of Shilla. The Cheoyong's bitterness of broken love is expressed in this poem. SongSadahamga and MoJukjirangga come under a broad category of Hwarang's journey literature. SongSadahamga is a farewell poem for Hwarang who leaves to fight on the battlefield. It was universal to make a journey for the fighting of a battle in Shilla period, so many Hyanggas would be made under those situations. MoJukjirangga has the content of Hwarang's trip for saving his follower who was taken by another senior. It expresses the intimate relationship between Hwarang and the follower. Though the words of the song have not been remained, Hyeongeumpogok, Daedogok, and Mungungok were created on the way of Hwarang's journey. These seem to be a series poems which have the proper characteristic features of the Hwarang's journey literature. In these poems, the king's open mind and liberal political views are reflected. In short, Hwarang created and enjoyed Hyanggas on the way of their journey, so Hyangga has the features of journey literature in Korean middle ages.