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반 실린더형 홈을 가진 벤틸레이티드 디스크 브레이크에서의 국소열전달 측정 및 수치 해석
박성봉(Sung Bong Park),임창율(Chang Yul Lim),이대희(Dae Hee Lee),김흥섭(Heung Seob Kim),이관수(Kwan Soo Lee) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
A ventilated disc brake having semi-cylindrical grooves has been proposed to improve the thermal judder by way of heat transfer enhancement. The local heat transfer coefficients were measured in the flow passage of disc brake. These measured local heat transfer data were utilized to do the finite element numerical analysis which predicts the maximum temperatures on the disc brake. The results show that the maximum temperatures on the disc surface with semi-cylindrical grooves are approximately 35.2% lower than those without them.
박성봉 ( Sung Bong Park ) 한국스칸디나비아학회 2004 스칸디나비아 연구 Vol.5 No.-
With an influence from a book named Drömfabrikens verklighet: Från idé till premiär by the famous Swedish film producer Bengt Forslund, this paper aims to clarify the important role of film producer as a kind of catalyzer between industry and art. A theoretical import of this approach is that it leads to a fresh understanding of the traditionally value-laden concept of imagination which conventionally refers to the customarily accepted genres of art. The concept of imagination can embrace the industrial ventures in much the same way as it embraces the artistic experiments. Especially, confronted by the radical changes of multi-media environments, the anachronistic discrimination between industry and art is not of much help in securing a competent film producer with a vision to the future. What I mean by the phrase 'a competent film producer with a vision to the future' will be developed along seven principal lines of arguments, namely, 1) a film producer as an actor of inspiration, 2) a film producer with a discerning eye for the good scenarios, 3) a film producer sensitive to the various film genres, 4) a film producer as a good story-teller, 5) a film producer as a messenger, 6) a film producer in the field of film-producing, 7) a film producer in step with the development of media environments. What is worth emphasizing here is that my search for a new role of film producer is not simply a matter of analytic approach to the film-making but pertains to my fascination with it. Pivotal to my entire study is the quality of experience of the specific aesthetic form of expression, that is to say, film.
朴性鳳(Park, Sung-Bong) 백산학회 2004 白山學報 Vol.- No.70
This is some parts of the results for which I’ve tried to get from analysis of materials related to Koguryo which are mentioned in TongiJeon(Eastern Barbarian Section, 東夷傳) on Chinese History Books, Chronicles of Japan, and so on. To tell the truth, I had already made an analysis those materials mentioned in Eastern Barbarian Section in the beginning of the 1990’s, and I’ve tried to complete the same work with Chronicles of Japan until now. It can be said that historical sources related to Koguryo are very scarce even if including History Books and Epigraph, and the result of researches in it is also insignificant. As is well known, Nihon Shoki(Chronicles of Japan, 日本書紀) is a kind of Old Transmittance of a Letter(古傳書) which have many doubtful points. With a view to overcome these shortcomings, it is necessary for us to study it in many fields. This paper is just an attempt to figure out its possibility. Now I’m delighted to entrust some leading scholars (Choi Keun-Young, Kim Hyun-Ku, etc.) with more attempts, who are obtaining good results in this field of study recently.
박성봉 ( Park Sung-bong ),윤정배 ( Yoon Jeong-bae ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
The purpose of this study is to estimate the permeability coefficient of concrete using mass hydrophobation agent. Experiments were carried out by making concrete specimens with different amounts of mass hydrophobation agent. It is considered that the pores are filled in the internal structure of the concrete by the expansion of the mass hydrophobation agent.