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문현기(Hyun-Ki Moon),이대영(Dae-Young Lee) 대한설비공학회 2008 설비공학 논문집 Vol.20 No.7
A regenerative evaporative cooler has been fabricated and tested for the evaluation of cooling performance. The regenerative evaporative cooler is a kind of indirect evaporative cooler comprised of multiple pairs of dry and wet channels. The air flowing through the dry channels is cooled without any change in the humidity and at the outlet of the dry channel a part of air is redirected to the wet channel where the evaporative cooling takes place. The regenerative evaporative cooler fabricated in this study consists of the multiple pairs of finned channels in counterflow arrangement. The fins and heat transfer plates were made of aluminum and brazed for good thermal connection. Thin porous layer coating was applied to the internal surface of the wet channel to improve surface wettability. The regenerative evaporative cooler was placed in a climate chamber and tested at various operation condition. The cooling performance is found greatly influenced by the evaporation water flow rate. To improve the cooling performance, the evaporation water flow rate needs to be minimized as far as the even distribution of the evaporation water is secured. At the inlet condition of 32℃ and 50%RH, the outlet temperature was measured at 22℃ which is well below the inlet wet-bulb temperature of 23.7℃.
지각된 조직 위상과 대학 총장의 리더십 스타일이 대학생의 조직 동일시와 구전의도에 미치는 영향에 관한 연구
문현기 ( Hyun Ki Moon ),이유나 ( Yun Na Rhee ) 한국커뮤니케이션학회 2009 커뮤니케이션학연구 Vol.17 No.3
대학 PR은 90년대 중반에 들어서면서부터 급속하게 발전하게 된 PR 활동 영역이며, 이와 관련된 연구 또한 많이 진행되어 왔다. 그러나 다수의 대학 PR 연구들이 대학 이미지만을 핵심변인으로 상정하고 있거나 연구 대상을 입시와 직접적인 연관이 있는 수험생 위주로만 설정하는 등 그 폭이 상당히 제한되어 있다. 본 연구에서는 대학의 내부 공중인 대학생에 초점을 맞추었다. 또한 2000년대 초반부터 출현한 CEO형 총장들에 주목하여 이들이 대학 PR에 있어서 어떠한 의미와 중요성을 갖고 있는지를 규명해 보고자 하였다. 한편 학교 안팎에서 지각하는 대학의 위상이 대학 PR 활동에 매우 중요할 것 이라는 데에 착안하여 본 연구에서는 대학 내·외부에서의 지각된 조직 위상(perceived organizational prestige)을 새롭게 주요변인으로 사용하였다. 또한 본 연구에서는 조직 동일시와 구전의도를 지각된 조직 위상, 총장의 리더십 스타일의 효과 변인으로 설정하였다. 연구 결과, 지각된 조직 위상은 조직동일시와 구전의도에 영향을 미치는 반면 총장의 리더십 스타일에 대한 인식은 두 변인에 별 영향을 미치지 못하는 것으로 나타났다. 본 연구는 이러한 결과를 바탕으로 대학 PR과 관련된 이론적·실무적 함의를 도출하였다. The purpose of this study was to investigate the effect of perceived organizational prestige and perceived leadership styles of university presidents on organizational identification and intent for word of mouth communication of university students. University public relations is the area of public relations that has seen rapid growth since the mid-1990s, and there have been many studies on the subject. However, the majority of research mainly focused on university image as the dependent variable and the research subjects were mostly high school students or graduates. In this study, the researchers argue that the internal public of universities, current students, should be examined as one of the most important publics. This study also attempted to explore the meaning and importance of CEO-type university presidents who recently emerged as key to academic PR. Leadership concepts were adopted in order to conceptualize CEO university presidents. Organizational identification and intent for word of mouth communication were posited as public relations effect variables in this study. Study results showed that perceived organizational prestige can affect organizational identification and intent for word of mouth communication. On the other hand, perceived leadership styles of university presidents didn`t have strong relations or associations with the two variables. Based on the study results, theoretical and practical implications for university public relations are discussed.