• Journal of the Korean housing association
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• v.19 no.6
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• pp.1-8
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• 2008

A fitness facility in an apartment complex is not a simple sports facility. It has important roles in improving the residents' physical and mental health, and in forming a sense of community. This study analyzed the number of users in the fitness facility of the apartment complex, which is a significant criterion in determining the dimension. A comparative analysis between the past and the present function and dimension was performed in finding out the optimal solutions. In conclusion, the number of users in the fitness facility is influenced not by the number of households in the complex but by the facility's size and creating a desired environment. The users' favorite sports equipments were figured out to meet those needs. Moreover, comparing the facilities' size, user satisfaction, area per person, an optimal dimension for the facility, and rates of equipments were found out.

• Journal of the Korean Institute of Educational Facilities
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• v.3 no.1
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• pp.5-18
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• 1996

In industrial education which would meet both ends to offer adult-learner (employee) the opportunity to develop himself and to accomplish business aims, it is very important to use instructional media and to prepare the proper educational facilities and equipments. Therefore, this paper would investigate the following aspects. First, the characteristics and optimal training method of industrial education as an adult-training. Secondly, the meaning of instructional media. Thirdly the contents of proper educational facilities and equipments to apply instructional media. Based on the above mentioned investigation, this paper suggests that instructional media and educational facilities and equipments in industrial education should be utilized integratedly and systematically as component factors of total educational program. And then, the basic directions and ways to establish the most desirable educational facilities and equipments are presented in this paper.

• Proceedings of the KIEE Conference
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• 2002.11a
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• pp.194-196
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• 2002

This paper deals with a proper installation methods of SPDs for information-oriented and computerized equipments. Since the information and computerized equipments have AC power lines and communication lines, the potential difference by lightning surge occurs between grounding points of the AC power lines and subscriber protectors, and it causes the flashover and damage. So, we have investigated the effect of the installation methods of surge protectors on the control of overvoltages, using a real-sized test circuit with a customer's facility. As a consequence, it was confirmed that the protection methods by installation of SPDs on the neighbor branch circuit was effective.

• Transactions of the Korean Society for Noise and Vibration Engineering
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• v.17 no.8
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• pp.726-735
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• 2007

Inside the factory buildings of aprecision industry (which produces semiconductors or TFT-LCD), thousands of vibration-sensitive precision equipments operate in the clean rooms. Various utility equipments that are installed around them for proper operation cause various sources of noise and of vibration to exist inside the clean rooms and thus deteriorate the noise and the vibration environment within. In this study, we check if the existing transient vibration phenomenon is caused by the vibrations that arise from operating the utility installed near these equipments; compare and evaluate the vibration criteria of precision equipments regarding the transient vibration phenomenon; and check the efficiency of these criteria.

• Proceedings of the KSR Conference
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• 2001.10a
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• pp.370-375
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• 2001

This paper is to suggest reliability modeling and analysis method of Electric Multiple Unit (EMU). It is necessary to identify subsystem/equipments of EMU and functional interfaces between subsystems in order to carry out reliability modeling of EMU properly. After identifying subsystem/equipments and functional interface, reliability allocation is performed using ARINC method. Reliability target of system/subsystems is verified in revenue service during the proper periods.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2009.04a
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• pp.601-605
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• 2009

The paper deals with the proper design of GGH(gas-gas heater) panel elements of desulfurization equipments in a thermoelectric power plant. When fossil fuels such as coal, petroleum et cetera are burnt to ashes, sulfur oxide compounds are produced, and calcareous sludges are deposited at GGH panel elements. In this case, operation of a power plant equipments is interrupted, and a tremendous economic loss comes into existence. One of the purposes of the paper is to find flow velocity distributions and regions of depositions when calcareous sludges pile up on the GGH panel elements through the fluid analysis. In the fluid analysis, flow velocity and position distributions of particles between GGH panel elements are demonstrated according to time variation for ammonia and calcium hydroxide particles.

• Journal of the Semiconductor & Display Technology
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• v.1 no.1
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• pp.1-7
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• 2002

Modem technology depends on the reliability of extremely high precision equipments. In the production of semiconductor wafer, optical and electron microscopes, ion-beam, laser device must maintain their alignments within a sub-micrometer. This equipment requires a vibration free environment to provide its proper function. Therefore, this high technology equipments require very strict environmental vibration criteria because it is used as basic data for the design of building structure and structural dynamics of equipment. In this paper, the new approach is proposed to investigate the mismatch problem of time and frequency domain for vibration criteria of sensitive equipment. The proposed approach is based on a vibration measurement data and a relative transfer function which can be obtained by experiment or analysis.

• Journal of the Korean housing association
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• v.13 no.2
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• pp.47-53
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• 2002

The purposes of this study actually measure to the dimension and the quality of material play equipment's examine whether they meet safety standards or not, and intend to offer basic data to present proper safety standards concerning the dimension of play equipment in the end. The subjects for this study were 59 outdoor playgrounds, 30 among them located in apartment sites and the remainder did in residential districts. The time of actual measurement was in June 1999, and June 2000. Data were analyzed into frequency, percentage, mean, and standard deviation by using SPSSWIN program. The main results were as follows.: First, more than half of playgrounds were assessed for being traffic hazards due to the adjacent streets. And they were hardly equipped with the toilet and drinking water facilities, but were almost equipped with the shade of a tree and benches. Second, it was caused in inconvenience of children's use and difficulty of play equipments'management, since the quality of play equipments materials was consisted of wood or metal. Third, the standards for swing and slide were established in detail and actual measurement's results were suitable to standards'value as well, whereas the standards for seesaw and climber were not in detail and they did not design or install suitably.

• Journal of radiological science and technology
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• v.22 no.1
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• pp.73-78
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• 1999

The purposes of this study are to analyze the realities after enforcements of safety control regulations for diagnostic X-ray equipments and to suggest means for an improvement of low radiation safety control. A questionnaire survey for medical radiologic technologists was carried out to determine enforcement effects of the safety control regulations. The results of analysis from the survey are as follows. That is, most of the respondents realized the importance of the radiation safety control system, but about a half of them revealed that the regulations were not well observed in accordance with their purposes. Only 43.9% of the respondents took an active part in quality control and safety control of radiation. And respondents responsibility, sex, age, and knowledge for safety control were important indicators for observations of the regulations. Trainings for the safety control regulations are needed to ensure safety control and proper usage of diagnostic X-ray equipments. And management of organizations using diagnostic X-ray equipments have to understand and stress the importance of radiation safety control system.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2005.10a
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• pp.231-232
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• 2005

In the design guideline about the existing elderly house, the equipment related to kitchen and bathroom are the most important in the secure and functional aspect. On the other hand, the present elderly house is being designed according to foreign design guideline or common housing form instead of reflecting living and physical qualities of the korean elderly. Therefore, in this study based on the guideline of the existing literature, we made kitchen and bathroom equipments and conducted an experiment in finding proper position and height for korean elderly enough to use the kitchen and bathroom conveniently and independently. Based on the guideline of the existing literature related to foreign and domestic elderly house, we made Mock-up furnished with the equipments of kitchen and bathroom. The equipments of kitchen consist of sink and shelves to be capable of changing height. The equipments of bathroom consist of different height wash bowls, toilet stools, grab bars, and a bathtub. The study was accomplished by observing and measuring the use of the elderly.