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장애인 평생학습도시 참여 경험 및 발전 방안 탐색 연구
김원호,박지석 한국지체·중복·건강장애교육학회 2024 지체.중복.건강장애연구 Vol.67 No.2
연구목적: 이 연구는 장애인 평생학습도시 참여 인력의 경험을 탐색하여 운영 경험에 기반한 발전 방안을 도출하는 데 목적이 있다. 연구방법: 김원호 외(2023)의 연구에서 제시한 것처럼 장애인 평생학습도시 참여 인력을 기초지자체 담당자, 기관 종사자, 교강사의 3개 집단으로 구분하여 FGI를 실시하였다. 눈덩이 표집을 활용하여 기초지자체 담당자를 통해 기관 종사자와 교강사를 섭외하였으며 결과적으로 기초지자체 담당자 10명, 기관 종사자 6명, 교강사8명을 연구 참여자로 선정하였다. 연구결과: FGI를 통해 5개의 상위범주와 20개의 하위범주, 106개의 의미단어를 도출하였다. 구체적으로 장애인 평생학습도시 운영 현황, 기관/지자체 담당자의 참여 경험, 교강사의 참여 경험, 평생학습도시의 제도적 제한점, 장애인 평생학습도시 발전 방안의 참여 경험을 도출하였다. 결론: 장애인 평생학습도시의 참여 경험을 기반으로 장애인 평생교육 전문인력 배치, 신규 인프라 구축, 새로운학습자 발굴, 지역 특성화 프로그램 개발의 장애인 평생학습도시 환류체계를 제언하였다. Purpose: The purpose of this study was to explore the experiences of people working to lifelong learning cities for the people with disabilities and to derive development plans based on operational experiences. Method: As suggested in the study by Kim Won-ho et al. (2023), focus group interviews(FGI) were conducted by dividing the participants into three groups: local government officials, institutional employees, and instructors. Using snowball sampling, institutional workers and instructors were recruited through local government officials. As a result, 10 local government officials, six institutional employees, and eight instructors were selected as research participants. Results: Through FGI, five high-level categories, 20 low-level categories, and 106 semantic words were derived. Specifically, the operation status of the lifelong learning city for the people with disabilities, the participation experience of agency/local government officials, the participation experience of instructors, the institutional limitations of the lifelong learning city, and the participation experience of the development plan of the lifelong learning city for the people with disabilities, were derived. Conclusion: Based on the experience of participating in the lifelong learning city for the people with disabilities, a feedback system for the lifelong learning city for the people with disabilities, was proposed by deploying lifelong education experts for the people with disabilities, building new infrastructure, discovering new learners, and developing local specialized programs.
유체압력에 의한 Squeezed O - ring 의 압착과 초기 압출 Mechanism
김원호 한국고무학회 1995 엘라스토머 및 콤포지트 Vol.30 No.3
When an O-ring is installed in a high fluid pressure device, a section of the O-ring is extruded into the piston-cylinder clearance gap. Any tendency towards extrusion will induce wear in dynamic applications, leading to premature failure of the seal. In this study, the mechanism of initial extrusion of the O-ring was studied, i.e., how much amount of the O-ring will be extruded into the clearance gap at a certain pressure. The relationship between extrusion depth and a clearance gap or fluid pressure were studied by finite element analysis (FEA). After that, Salita's experimental data were analyzed. The result is that initial extrusion depth for an O-ring into a clearance gap was 1.11 times the product of dimensionless pressure difference (p-p₁)/E and clearance gap c. The required pressure p₁ for zero extrusion depth was found to decrease logarithmically with increasing clearance gap.