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신동수(D.S.Shin),박성구(S.K.Park) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
This paper sudies experimentally for axial flow fan at automobile aircondition. The two fans is particular have been carry out varied test condition. The main pararmeters investigated were rotational speed, skew angle, stagger angle, band, and number of blades for low noise fan. The effect has been measured of running a fan in conjuction with radiator matrix. The present experimental show that efficiency, overall sound pressure level and acoustic spectrum. The estimated values are quite satisfactory.<br/>
김동수(D. Kim),김만(M. Kim),박상언(S. U. Park),남기석(K. S. Nam),장도연(D. Y. Chang),권식철(S. C. Kwon),신동수(D. S. Shin) 한국표면공학회 2001 한국표면공학회지 Vol.34 No.1
The addition of organic compound containing -COOH, -CONH₂, -CHO group such as formic acid, formamide, formaldehyde or diethyleneamine to a chromium electroplating bath results in a chromium deposit in which carbon is incorporated. Such deposits have fewer defects than chromium layers produced by a conventional method. It was found that the as-deposited layers were amorphous and auger electron spectroscopy (AES) showed that carbon is distributed uniformly in the deposit. During heat treatment, Cr-C deposits began to crystallize at 400℃, and at 800℃ they were crystallized into chromium carbides and oxides. The effects of current density, amount of additives, applied current waveform on Cr-C alloy electroplating were examined.
박남규,신동수,Park, Nam-Kyu,Shin, D.S. 대한산업공학회 1997 산업공학 Vol.10 No.3
Document management system is a tool, based on the document life cycle concept, for structured management of various documents within an organization. In this paper, we address a development process of document management system based on SGML. We have developed a document management system which can support a variety of types in documents such as informal data, HTML, CGI and so on. Using the developed system, users can access documents in the system through an internet browser, and also add or modify existing documents.