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홍정아(Jeong-Ah Hong),이금배(Kumbae Lee),전용두(Yong-Du Jun) 대한설비공학회 2012 대한설비공학회 학술발표대회논문집 Vol.2012 No.6
A new baffle configuration, an annular baffles, are considered in the present study as an alternative to reduce the excessive pressure drop associated with the conventional segmental ones in typical operating conditions. Featuring with accelerated co-axial flow with periodic mixing by alternate baffles, conditions with better relative performance than the conventional ones could be identified through the present numerical experiments. The heat transfer and pressure drops are numerically simulated for a single tube shell-and-tube model and compared against the conventional-baffle cases with the no-baffle system as a reference. Baffle blockage and the flow rates are considered for the present study specifying a fixed baffle spacing. According to the present numerical study results, it is found that the heat transfer increases 1.4~2.2 times without significant pressure loss compared to the bare tube cases.
홍정아(Jeong-Ah Hong),전용두(Yong-Du Jun),이금배(Kumbae Lee) 대한설비공학회 2012 설비공학 논문집 Vol.24 No.8
A new baffle configuration, an annular baffles, are considered in the present study as an alternative to reduce the excessive pressure drop associated with the conventional segmental ones in typical operating conditions. The heat transfer and pressure drops are numerically simulated for a single tube shell-and-tube model and compared against the conventional-baffle cases. Baffle blockage ratio and number of baffles are considered as the major variables for the present study specifying a fixed baffle spacing. It is found that the heat transfer increases 1.4∼2.2 times without significant pressure loss compared to the bare tube cases and the goodness factor increases 1.35 times compared to the conventional-baffle model.
유아교육에서 ‘놀이’의 의미 탐구 : Huizinga와 Caillois의 놀이 이론을 중심으로
홍정아(Hong, Jeong-Ah),김소향(Kim, So-Hyang) 한국유아교육·보육복지학회 2020 유아교육·보육복지연구 Vol.24 No.2
본 연구는 Huizinga와 Caillois의 사회문화적 관점에서 놀이의 의미를 살펴봄으로써 그들의 놀이 이론이 유아교육에 주는 시사점을 알아보고자 하였다. 첫 번째 시사점은 놀이는 놀이 행위 그 자체를 의미하며, 놀이 자체가 목적이 되어야 한다는 것이다. 이는 유아교육에서 놀이를 유아 전인발달의 매개체로 보기 보다는 놀이 자체를 교육의 목적으로 보아야 한다는 것을 시사하고 있다. 두 번째 시사점은 놀이는 일정한 규칙이 있고 그 규칙을 내면화하는 것이 사회문화적 상호작용이고 이는 놀이를 통해 이루어진다는 것이다. 이는 사회문화적 구성주의인 Vygotsky의 내면화 이론를 지지해 주는 것으로 놀이와 교육에 사회문화적 맥락이 중요함을 시사하고 있다. 즉 유아들은 놀이를 통하여 그들의 사회문화를 자연스럽게 내면화한다는 것을 알 수 있다. 마지막 시사점은 놀이는 재미를 최우선으로 추구하며 자유롭고, 몰입을 동반한 행위라는 것이다. 유아들은 자유롭게 선택한 놀이에서 재미를 느끼고 몰입을 통한 긍정적 정서와 행동의 자유를 얻게 되므로, 유아교육에서 유아의 흥미와 능동성을 강조하는 놀이중심 유아교육을 강조하고 있다는 것이다. The purpose of this study was to investigate the implications of Huizinga and Caillois s play theory to early childhood education by looking at the meaning of play from a sociocultural perspective, focusing on the play theory of Huizinga and Caillois. The first implication is that play means the act of play itself, and that play itself should be the goal. This suggests that the play itself should be viewed for educational purposes rather than as a medium of early childhood development in early childhood education. The second implication is that play has certain rules and internalizing the rules is a sociocultural interaction, which is achieved through play. This is in line with Vygotsky s claim, and we can find common ground. Therefore children can see through play that their social culture is internalized naturally. The third implication is that play pursues fun as a top priority, and it is free and flow. So, in the early childhood education, the emphasis is on play-centered early childhood education, that emphasizes the interest and activeness of the child.
SNS 모바일 텍스트의 언어학적 양상 : 성별과 연령의 차이를 중심으로
박선우(Sun woo Park),박진아(Jin Ah Park),홍정의(Jeong ui Hong) 현대문법학회 2015 현대문법연구 Vol.82 No.-
The purpose of this study is to present the distinctive writing styles for SNS mobile texts and describe the use of the languages in Korean mobile texts. For the data, we collected emoticons, abbreviations, acronyms, punctuation marks, omitted letters and nonstandard spellings proved to be observable in Korean SNS mobile texts. Nonstandard orthography, emoticons and punctuation marks were much more frequently used by females than by males. A difference by generation was found in text length; generally, texts written by old generations were longer than those by young generations. Especially acronyms, which are written by only consonants, were much more frequent in young generations than in old ones. We have also identified a link between the frequency of nonstandard orthography and age. The younger writers of mobile texts are, the more frequently nonstandard spellings and acronyms are used.
이경주,황경혜,라정란,홍정아,박재순 가톨릭대학교 간호대학 호스피스 교육연구소 2006 호스피스논집 Vol.10 No.-
Purpose: Death is not an option but a necessity in our life. However, there is little understanding of what a good death means. This study was conducted to analyze the concept of a good death by exploring attributes, antecedents, consequences and empirical criteria for a good death in literatures. Method : Reviewed materials were collected by searching for web cites such as PubMed, National Library of Korea, National Assembly Library. Walker and Avant's method(2004) was used for this concept analysis. Results : The findings showed that a good death includes seven attributes: dignity (personal respect and privacy), self-control (the right of choice, independence, clear consciousness), comfort (physical, psychological, spiritual). optimal relationships (supportive environment, proper care, restoration of relationships), appropriateness (sequence and proper age of death), preparation for death (completing unsettled tasks, leaving a legacy, positive attitude toward life, awareness and acceptance of death) and minimizing burden. Conclusion : This results will provide health professionals and people with a preliminary understandings of a good death. In addition, there is the need for further study to develop objective measurement of a good death and effective nursing intervention for the dying.