http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정민채(Min-Chae Jung),윤상길(Sang Gil Yoon),윤동진(Dong Jin Yoon),서정세(Jeong-Se Suh) 한국기계가공학회 2020 한국기계가공학회지 Vol.19 No.4
In this study, the temperature distribution and heat transfer characteristics of each component in a solenoid motor system were numerically investigated when heat is generated by the steel pad attached to the solenoid ring of the motor. It was found that the internal airflow was complicated by the inflow velocity of air and the rotation of guide rollers and solenoid rings. Based on the numerical results, the tendency for temperature changes in the steel panel was lower due to the contact of the cooling air in the front in the rotational direction, and the peak temperature was at the front of the center. In particular, it was confirmed that as the air inflow rate was increased, the temperature was reduced due to strong convection. The temperature of the iron plate pad was decreased as the convective heat transfer coefficient was linearly increased with increasing airflow around the solenoid ring. In addition, the temperature of the iron plate panel was rapidly increased with increasing heat generation.
재난과 심리의 융합적 고찰: 재난경험, 우울 경향, 안전의식 간의 관계를 중심으로
채정민(Chae, Jung-Min),고윤승(Ko, Yun Seung) 한국전시산업융합연구원 2021 한국과학예술융합학회 Vol.39 No.5
본 연구는 안전 분야와 심리학 분야가 어떻게 관련 있는지를 파악하여 융합적으로 재난을 예방하거나 극복하는 방안을 모색하기 위해 진행되었다. 이를 위해 재난 경험의 유무, 후유증의 유무, 우울감 수준이 안전의식에 어떠한 영향을 미치는지 파악하려고 했다. 연구 참여자는 서울시민 성인 532명이었고, 연구 방법은 설문지법이었다. 불성실한 응답자를 제외하고 최종적으로 512명(남자는 244명, 여자는 268명)에 대해 분석하였다. 그 결과, 89명(17.6%)이 거의 죽을 뻔한 재난을 당한 경험이 있었다. 이들에 대해 안전의식(전체), 소방안전의식, 재난대처행동, 우울감에 대해 차이분석을 한 결과, 재난 경험자가 재난 비경험자에 비해 유의미하게 높은 점수를 보였다. 재난 경험자 중에서 현재까지 후유증이 있는 경우는 18명(3.6%)이었다. 다음으로는, 재난 경험 여부와 후유증 유무로 조합하여 재난 후유증자, 재난 비후유증자, 재난 비경험자 총 3개 집단으로 구분하여 안전의식(전체), 소방안전의식, 재난대처행동에 대한 차이검증에서 모두 유의미한 차이를 보였다. 또한, 우울감은 안전의식(전체), 소방안전의식, 재난대처행동 모두와 유의미하게 낮은 부적 상관을 보였다. 최종적으로는 3개 집단과 우울감이 안전관련 심리적 영향을 어떻게 영향을 미치는지를 확인하기 위하여 회귀분석을 하였는데, 두 개 요인 모두 유의미하게 영향을 미치는 것으로 나타났다. This study was conducted to prevent or overcome disasters by identifying how the field of safety and psychology are related. To this end, we tried to figure out how disaster experience, aftereffects, and depression level affect safety consciousness. The subjects of this study were 532 adults in Seoul, and the method of this study was questionnaire. The final 512 respondents(244 men and 268 women) were analyzed except for the insincere respondents. As a result, 89 people(17.6 percent) had experienced a disaster that gave them near death experience. As a result of analyzing the differences in safety consciousness, fire safety consciousness, safety coping behavior, and depression, the disaster experienced person showed a significantly higher score than the disaster experienced person. Among the disaster experienced persons, 18(3.6%) had aftereffects to date. Next, the difference verification of safety consciousness, fire safety consciousness, and safety coping behavior showed significant difference by dividing into three groups: disaster aftereffects, disaster aftereffects, and disaster non-experienced by combining disaster experience and aftereffects. In addition, depression showed a significant negative correlation with safety consciousness, fire safety consciousness, and safety coping behavior. Finally, regression analysis was conducted to confirm how the three groups and depression affect the safety-related psychological impact, and both factors were found to have a significant effect.