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Risk-informed Emergency Response Training for Backdraft in Nuclear Power Plants
Mihyun Kim,Wonkook Kim,Hongki Kim,Jungman Kim,Sunhong Yoon,Jangwon Choi,Heemoon Kim 한국화재소방학회 2023 International Journal of Fire Science and Engineer Vol.37 No.3
Research has been conducted for developing fire evacuation and response training programs for nuclear power plant (NPP) application. Among numerous fire scenarios that may occur in an NPP environment, three different points of origin for a fire were selected for the program based on a risk-informed approach: switchgear room, main control room, and safety injection pump room. Fire outcomes were predicted for these scenarios via numerical modeling and the results were incorporated into the newly developed fire evacuation and response training program for the APR1400, Korea’s next-generation NPP model. The switchgear room fire scenario was found to have the most potential for backdraft to occur during manual fire response following automatic gaseous fire suppression system activation. The emergency response manual does discuss this possible backdraft occurrence; however, the guidance to avoid injuries is qualitative, such as to be cautious of backdrafts and wait a sufficient amount of time after opening a door before entering the. In this study, backdraft phenomenon that may occur from a switchgear room fire was numerically examined using the recent version of the Fire Dynamics Simulator to develop an appropriate timeline to be implemented in the fire evacuation and response training program. Based on the findings, the following guidance is provided: (1) backdraft can only occur when the fire originates in the space near the door; (2) wait at least 10 minutes after opening the door before entering the room; (3) watch for rapid smoke production, as this may be an antecedent phenomenon of backdraft; and (4) when smoke production increases rapidly, leave the room as soon as possible to avoid being caught within the deflagrating flames from a backdraft.
The Politics of the Abolition of Women’s Student Councils and the Depoliticized Campus in Korea
Mihyun Kim 서울대학교 사회발전연구소 2020 Journal of Asian Sociology Vol.49 No.4
This article analyzes the political contentions on depoliticized campuses through interviews, on-campus media, and propaganda of those involved in the abolition of women’s student councils, the strongholds of the feminist movement at universities, following the popularization of feminism in Korea. As the student movement gradually weakened in the wake of democratization, undergraduate students have come to be regarded as indifferent to politics and in-school political issues were rare in the last decade. However, at a time when the feminist movement on university campuses was rekindled through the “feminism reboot,” some students began their own “activism” based online to eliminate feminism. The abolition of women’s student councils by means of such activism is regarded as a symbol of backlash. By revealing how feminism and democracy are being defined and exploited in this process, this study argues that the understanding of democracy should be rethought in Korea’s political decision-making process.