• Korean Institute of Interior Design Journal
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• no.18
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• pp.38-43
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• 1999

The recent increase in elderly population poses various problems in the field of social infrastructure and the living environments for the aged. Providing enough housing for the elderly has become one of the fundamental goals in social welfare policies. In light of these current condition, it is necessary to understand the demands of the aged in terms of the standards of living conditions in which they would be satisfied in order to better serve them. Therefore, the purpose of this study is to provide basic design data for architects and builders by analysing the demands and characteristics of residents in privately-owned housings for the elderly in Korea and Japav. The method of this research was based on the comparison analysis of polls taken in Korea and Japav. The results of this research are as follows: Because the polls show that the elderly want to continue their current life-style after placed in a elderly-care facility, when designing housing for the elderly, it must not be considered separate from the general society. it must be designed in way so that the residents can fully interact with the general society. Also, in order to achieve above goals, social welfare policies must be reconsidered to meet the needs of the aged populatiov.

• Korean Institute of Interior Design Journal
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• v.25 no.2
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• pp.112-122
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• 2016

The study aims to furnish the data for the study of invigorating communities of various ages including old people living alone. Furthermore, it seems that the laddering method and kj method can be useful for the study of various attitude survey. This study attempted to extract necessary factors for space for community behavior of elderly people living alone using laddering survey method and KJ rule on a sample of elderly people who live alone in three different rental housings. The keywords that were drawn from the perception survey through laddering were divided into small, middle and large classification using KJ rule. Mostly identical keywords were extracted in the three complexes, implying that there is no difference of perception among the three complexes in this survey. According to the large classification where KJ rule was applied, there were six necessary factors for space for community activity of elderly people living alone in rental housing including spatial consideration, communication, resting space, nature-friendliness, health promotion and Secure identity, which were the same for all of the three complexes.

• Journal of Korean Society of Rural Planning
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• v.16 no.1
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• pp.49-62
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• 2010

As people get aged, we need to pay more attention to the elderly living condition with respect to welfare policy. The present study focuses on housing condition of elderly people living in rural area, and analyzes its determinants, periodical difference, and regional disparities, incorporating an index of minimum housing standard. This study applies multi-level logit model that has a strong statistical advantage that can take random aspects of household and regional context into account. We found that married couple household, presence of economically-active family members, higher education, specialized profession, migration and higher level of land price tend to lower the probability of residing in substandard housings. We also found that housing conditions for elderly people prove to be different by regions and it is particularly noticeable in mountainous rural areas in Gyeongsangnam-do and Gyeongsangbuk-do with the poorest elderly housing conditions. Results also implies that housing welfare policies should be implemented differently considering the target groups based on regional differences. We conclude with some additional policy implications for the elderly living in rural areas.

• KIEAE Journal
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• v.17 no.5
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• pp.25-31
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• 2017

Purpose: Currently, there are many success stories coming out various energy-saving / production or eco-friendly buildings. However, these case and method didn't consider of application with existing housing and high-rise housings. In the case of Europe, the North America is gradually grew and settle through the voluntary, small, private development. But this method and system are not fit for the majority of developing countries including South Korea. Method: In this situation, this paper analyse, first arranged previous research and case study, second divided factors and re-organized factors, third analysed plan and elevation of apartment and selected main plan type and elevation type of apartment, finally analysed method of application with existing buildings and high-rise buildings by test and simulation. Result: In sum, this research finally analyzed the change of electricity and fuel consumption according to the change of insulation standard. This study has been expected to serve as a bridge of the energy housing system development and suggest new method applied to the existing housing and building.

• Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference
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• 1996.04b
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• pp.86-93
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• 1996

The lubrication characteristics of high-speed ball bearings has been investigated empirically using 45mm bore split inner ring ball bearings employed in small industrial gas turbine engines with oil-jet lubrication method. For the close structural simulation, experiments carried out with bearing mounting supports of real engines, such as bearing housings and oil nozzle assemblies with squeeze film dampers. Thus the results of tests can be directly applied to the design and the development of gas turbine engines. Testing was done by varying operating speeds, axial load on bearings, and lubricant flowrates. During testing, the temperature of bearing at outer-ring face, the power consumption of the driving motor, and the rotating resistance of the bearing were measured. From this study, the representative factors for lubrication characteristics at high speed was found, and the most important one was not operating speed but axial load up to 1.95 million dmN speed and 303 kgf axial load. Furthermore, the detailed variation of the rotational resistance of the bearing could be visualized by measuring the change of the radial load under the bearing supports. The rotational resistance consists of the frictional resistance and the bearing-cavity oil resistance.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.18 no.10
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• pp.99-103
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• 2019

Recently, as the high-precision machinery industry has developed rapidly, peripheral equipment has been developed to improve machining efficiency. Peripheral equipment for machining includes cooling units, housings, oil separators, and much more. Oil, such as cleaning and cutting fluids, is used for machining. When waste oil is reused, the contamination of the workpieces and reduction in machining accuracy are generated by the waste oil, including sludge. Therefore, the development of an oil separator is necessary for efficiently separating oil, water, and sludge. The purpose of this study is to analyze the oil separation efficiency and flow characteristics of a high-speed centrifugal separator according to the rotation velocity and diffusion plate. The oil separation efficiency and flow characteristics were analyzed using hydrodynamic theory and computational fluid dynamics (CFD). The results of this study will be used as basic data for the development of a high-speed centrifugal separator.

• Journal of Magnetics
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• v.21 no.4
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• pp.586-592
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• 2016

The magnetic-jack type CRDM withdraws or inserts a control rod assembly from/to the reactor core to control the core reactivity. The CRDM housings form not only the path of the electromagnetic field but also the pressure boundary of a nuclear reactor, and a periodic in-service inspection should be carried out if there are welded or flange jointed parts on the pressure boundary. The in-service inspection is a time-consuming process during the reactor refueling, and moreover it is difficult to perform the inspection over the reactor head. A magnetic motor housing is applied for the current SMART CRDM and has several welding joints, however a nonmagnetic motor housing with fewer or no welding joints may improve the operational efficiency of the nuclear reactor by avoiding or simplifying the in-service inspection process. Prior to the development, the magnetic field transfer efficiency of the nonmagnetic housing was required to be assessed. It was verified and optimized by the electromagnetic analysis of the lifting force estimation. Magnetic flux rings were adopted to improve the efficiency. In this paper, the design and optimization process of a nonmagnetic motor housing with the magnetic flux rings for the SMART CRDM are introduced and the analyses results are discussed.

• Architectural research
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• v.20 no.4
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• pp.103-108
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• 2018

Wandering behavior is a serious problem among the elderly in nursing homes, yet it has received relatively little study As multi-family houses built before the '80s in South Korea were designed, it did not take account into issues related to parking so that at present parking became a big issue. The Seoul Metropolitan Government tried various ways to sort out the parking problem in multi-family house areas, but inadequate parking and illegal parking are still an ongoing problem. Thus, the purpose of this study was to examine current situation on resident parking only and illegal parking centered on a congested area of multi-family houses in Seoul and present the improvement plan of parking problems through case investigation home and abroad. As the result of the survey, it has been identified that the subject area consists of 506 households in total and 186 parking spaces and also, 100 cars in parking space or parking lot in housing space and 143 in illegal parking. Green parking business and open access parking system were suggested as solution plan for parking problem. Thus, it is expected that through green parking business for 6 houses and the parking lot of elementary schools around, the illegal parking problem would be sorted out.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.35 no.7
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• pp.3-14
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• 2019

This study is to analyze the social integration plan characteristics of public rental housing community facilities in England, Singapore and Korea. The purpose of this study is to present the direction of social integrated community facility planning and management system for the revitalization of the Korean public rental housing community. To this end, similarities and dissimilarities are derived by comparing cases of community facilities in apartments. Methods of this study include literature survey, analyzed government web sites in overseas cases. Also domestic cases are analyzed qualitatively through field visits, expert interviews, and internal data review. The results of this study are as follows: First, various community facilities plans are needed to accommodate the role of private and public spaces. Second, activate the professional community facilities operation system with public-private cooperation. Third, Community facilities should be planned as local infrastructure.

• Journal of the Korean Institute of Rural Architecture
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• v.22 no.4
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• pp.1-8
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• 2020

Recently, cultural property policies have changed from the preservation of cultural assets to the utilization of cultural assets. In historic villages, more and more traditional housings have been used as lodging facilities. On the other hand, low birth rates, aging population, declining population due to population outflow to the cities, increasing vacant houses, and aging buildings are tasks of historic villages. To be preserved the historic villages continuously, it is time to review how to regenerate and utilize the growing number of vacant houses. This study targets Tambasasayama city, which is drawing attention to the regeneration and utilization of vacant houses among historic Japanese villages. We want to analyze the operation systems and deregulation of a traditional housing regeneration project in Tambasasayama city and draw suggestions for the regeneration and utilization of vacant houses in traditional villages in South Korea.