• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2011.04a
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• pp.141-146
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• 2011

The purpose of this study is to investigate the planning of the community spaces for sustainable apartment complex under the aging society. For this, it is needed to identify the practical meaning of community spaces for elderly residents. In many cases, existing apartments' community spaces have been designed without considering the elderly. In order to develop successful environment for aging society, it is necessary for us to precisely review how elderly residents are changing their needs. Survey and depth-interview methods were used for data collection of this study. This study was performed in the five subject apartments located in Haeundae new town, Busan. In planning of community spaces for sustainable apartment complex in the aging society, 1) The population of the elderly in apartment complex has been increased with progress of the aging society, and it has been necessary to enlarge and consider the aging-friendly community space. 2) When the community space is located in a good accessibility, visual openness, multipurpose composition and the center of complex, it was investigated that the degree of its usage was high. 3) Common apartment complex for the elderly was deficient, and the composition and the layout of community spaces were needed, which included sports facility, spaces for leisure culture and study. This study could be utilized as basic data for designing community spaces in apartments from the perspective of sustainable community.

• Journal of Digital Convergence
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• v.20 no.2
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• pp.261-268
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• 2022

Recently, the number of elderly living alone suffering from loneliness and depression is also increasing significantly due to the rapid aging of the population and nuclear families. In this paper, we propose a smart aging system that increases life satisfaction by providing the elderly with the optimal service tailored to the elderly with the help of IT according to their residential environment and health status. It is possible to provide an advanced customized support system for the elderly by fully utilizing IoT, AI, and Metaverse techniques not only for the elderly who want to live an active life in society but also for the elderly who need care in a nursing hospital. The proposed system provides human satisfaction by providing social connection in real space and virtual space in accordance with the residential environment and health status to the elderly suffering from loneliness in hospital (hospital care) facilities and at home. This paper proposes a new path for future-oriented welfare policy for the elderly by providing a user-customized smart aging system by combining AI and Metaverse technology with a rapidly changing social environment.

• Proceedings of the Korea Air Pollution Research Association Conference
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• 2005.11a
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• pp.402-402
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• 2005

• Journal of the Korean housing association
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• v.25 no.1
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• pp.73-80
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• 2014

Korea is quickly transforming into an aging society. As a reaction to the accelerated aging society in recent years, there is a growing need to introduce sustainable housing policies and strategies for aging society. The main purpose of this study is to explore where people want to live after retirement. Especially, this study focuses on the residential environment such as housing types, residential location, and living environment. The main findings are as follows. First, people preferred living in a sububan-style housing in the suburban or rural areas to living in a city-style housing in the urban areas. Second, people have a strong preference for the importance of convenience in using natural environment, medical service, and cultural facilities. Third, the family life style has been changed from children-oriented life style to couple-oriented life style by showing that people like to stay with a spouse rather than with their children after retirement.

• The Journal of the Acoustical Society of Korea
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• v.43 no.2
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• pp.152-161
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• 2024

Although hearing loss in the elderly is one of the common symptoms of aging, as the aging population continues to grow, policies such as home care and welfare housing for the elderly are implemented with a focus on mobility, often overlooking the issue of hearing loss in the elderly. In this study, our aim is to enhance the quality of life for the elderly by improving the auditory environment within residential spaces, which plays a pivotal role in determining their overall well-being. We have proposed a technique that focuses on reducing reverberation, minimizing noise levels, and enhancing sound quality to improve the listening environment for the elderly, and we have verified its effectiveness. Building upon this, we have developed an acoustic design model for residential facilities catering to elderly home care.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2001.07a
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• pp.88-91
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• 2001

Our knowledge about their long-term performance in an outdoor environment is still very limited. The electrical stress caused the surface of these insulators to become degradation. In order to evaluate leakage current patterns caused by surface aging on polymeric insulators, we utilized the combined aging test facility and leakage current monitoring system. And we get the continuous leakage current values from each sample. After completing the 3000h combined aging cycle test, leakage current measurement were conducted for these samples and carried out harmonics analysis for its data.

• Journal of the Korean Institute of Rural Architecture
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• v.13 no.4
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• pp.1-8
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• 2011

Korea is moving toward an aging society faster than the other advance countries such as the U.S. and France. Such aging phenomena are posing greater problems in rural areas than in urban areas, and particularly, decrease in productivity caused by aging population leads to economic difficulties and hinders the improvement of housing life. The purpose of this research is to examine and identify the housing conditions of the vulnerable in rural areas and to present ways to improve the elderly housing and the housing environment in rural areas and to provide basic data for materializing the policies to enhance the quality of life. The results of this research are as follows. First, the elderly in rural areas were found to receive relatively smooth supports for services related to clothing and food through the government and social organizations. But for the housing problems, it was found that there were not any supports. Second, the poor housing environment may cause diseases to the elderly with weak immunity, so ways to remedy these problems are urgently needed. Third, the vulnerable in rural areas can hardly bear the burden of improving the housing environment, so supports from the government and social organizations are needed. Fourth, ways to support the vulnerable such as households receiving basic living subsidies and to support the poor who are not receiving such subsidies should be explored.

• Journal of Electrical Engineering and Technology
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• v.13 no.2
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• pp.918-927
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• 2018

Based on the actual operating environment of transformer, the aging tests of nitrile butadiene rubber (NBR) were conducted systematically under four conditions: in air, in transform oil, under compression in air and under compression in transform oil to studythe effect of high temperature, transform oil and compression stress simultaneously on the thermal aging behaviors of nitrile butadiene rubber and predict the lifetime. The effects of liquid media and compression stress simultaneously on the thermal aging behaviors of nitrile butadiene rubber were studied by using characterization methods such as IR spectrosc-opy, thermogravimetric measurements, Differential Scanning Calorimetry (DSC) measurements and mechanical property measurements. The changes in physical properties during the aging process were analyzed and compared. Different aging conditions yielded materials with different properties. Aging at $70^{\circ}C$ under compression stress in oil, the change in elongation at break was lower than that aging in oil, but larger than that aging under compression in air. The compression set or elongation at break as evaluation indexes, 50% as critical value, the lifetime of NBR at $25^{\circ}C$ was predicted and compared. When aging under compression in oil, the prediction lifetime was lower than in air and under compression in air, and in oil. It was clear that when predicting the service lifetime of NBR in oil sealing application, compression and media liquid should be involved simultaneously. Under compression in oil, compression set as the evaluation index, the prediction lifetime of NBR was shorter than that of elongation at break as the evaluation index. For the life prediction of NBR, we should take into account of the performance trends of NBR under actual operating conditions to select the appropriate evaluation index.

• Nuclear Engineering and Technology
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• v.36 no.5
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• pp.475-484
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• 2004

Extending the lifetime of a nuclear power plant [(hereafter referred to simply as NPP)] is one of the most important concerns in the global nuclear industry. Cables are one of the long-life items that have not been considered for replacement during the design life of a NPP. To extend the cable life beyond the design life, it is first necessary to prove that the design life is too conservative compared with actual aging. Condition monitoring is useful means of evaluating the aging condition of cable. In order to simulate natural aging in a nuclear power plant. a study on accelerated aging must first be conducted. In this paper, evaluations of mechanical aging degradation for a neoprene cable jacket were performed after accelerated aging under tcontinuous and intermittent heating conditions. Contrary to general expectations, intermittent heating to the neoprene cable jacket showed low aging degradation, 50% break-elongation, and 60% indenter modulus, compared with continuous heating. With a plant maintenance period of 1 month after every 12 or 18 months operation, we can easily deduce that the life time of the cable jacket of neoprene can be extended much longer than extimated through the general EQ test. which adopts continuous accelerated aging for determining cable life. Therefore, a systematic approach that considers the actual environment conditions of the nuclear power plant is required for determining cable life.

• KIEAE Journal
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• v.8 no.4
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• pp.55-62
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• 2008

As the living standard of citizens are improving and the demand for the quality of life is increasing, the demand for the facilities of welfare and convenience for varied ages rises. Besides, our residential environment is faced with the need for changing into the environment of integrated function of living, which holds health, leisure, culture, education, welfare, etc. Considering the present reality requiring the augment of welfare facilities due to our aging society, community integrated facilities are needed, which can contain welfare service for home-living citizens within residential circle and can accept diverse needs of residents. Accordingly, the study began in order to suggest a better direction for community integrated facilities' plan that considers all age brackets for aging society. The study is to figure out way of thinking what community space of 3 age cluster middle-age in the 30s~40s, preparatory senior citizen in the 50s and old age brackets in the 60s~70s. As methods for attaining the aim of this study, surveys of documents and questionnaire survey were simultaneously used. The result of the study, investigating the importance of a community among the members in the residential complex, showed that all the age groups have highly perceived its importance. All the age groups responded that leisure are important to the elderly. It indicates that importance of their social relations are within the residential environment and it proves that there is lack of facilities for leisure activities of residents in apartment house.