• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.25 no.12
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• pp.11-20
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• 2011

PSALI is referred to the supplementary lighting for the interior lighting under the daily lighting situation, and pursuant to the pertinent regulations in energy savings design standard and others in recent architecture works, the importance thereof has been increasing gradually coupled with the energy performance index (EPI), energy savings plan and the like as well as expansion of submittal and implementation policies. However, this type of PSALI studies indeed have a number of limitations since it has surrounding environmental conditions in direction, season, region, climate, time, opening rate, window area ratio, actual index, reflection rate of finishing materials and others in the architecture work as well as frequent changes in interior lighting environment for variables in daily light volume flowing into the interior, and others. Therefore, this study has analyzed existing advance research cases to produce the actual-sized model and scaled-down model, and installed the artificial lighting of LED light source possible to reproduce with same capability on both models. As a result of comparison and analysis of the artificial lighting with the key light, it has certain level of error rate from the scaled down lighting device in certain rate and actual model butit was noticeably significant within specific scope.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.63 no.8
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• pp.1140-1145
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• 2014

Tunnel lighting is composed of entrance zone, interior zone and exit zone by KS C 3703. We have to consider adaptation at entrance zone and exit zone lighting to prevent deteriorate visibility like black hole and white hole phenomenon. So External luminance, vehicle velocity and traffic volume should be considered in threshold zone lighting and vehicle speed and traffic volume should be considered in interior zone lighting. But existing tunnel lighting system is not good at visibility and economic because that is only controled by external luminance. So in this paper, We improve visibility and economic of tunnel lighting system using fuzzy reasoning according to external luminance, vehicle velocity, traffic volume.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.27 no.11
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• pp.7-13
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• 2013

There has been a need for the systematic evaluation of the economic efficiency between conventional fluorescent lamp lighting systems that have been used in tunnels and LED lighting systems. This study has evaluated basic tunnel lighting between the conventional fluorescent lighting systems and the LED lighting system using the evaluation tool of tunnel lighting by Life Cycle Cost (LCC) and using the economic efficiency evaluation method. In addition, the unit discount rate of the LED lighting system and the estimated increase in the price of electricity have made the estimated cost of LCC the same if two luminaires were used in the basic part of the tunnel.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2006.05a
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• pp.278-283
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• 2006

For the company, the office space is the expensive resource next to human resource. Employees are under the influence of physical characters of the office space. Among them lighting is the most effective factor in physical, biological and psychological for employees. Although there are lots of investments in architectural aspect of the office space, there is almost no investment and consideration about the lighting environment. Therefore this study was trying to find out these things as follow. First, evaluate lighting environment of people who works in the office spaces. Second, find out which factors are more affective in evaluation of lighting environment. And then with these findings this study found what should be considered as important in lighting planning of the office space. As the result of this study, however the majority of the employees are satisfied with current lighting conditions, they are not satisfied with individual operation of lighting. And in office space work type and position changes by age can affect in a large degree more than other factors. Therefore when planning lighting of the office space, it is necessary to figure out work features of Individual and group exactly and accept the difference by positions appropriately.

• Korean Institute of Interior Design Journal
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• v.13 no.4
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• pp.118-126
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• 2004

This study started from the premise that the future elementary school should be designed based on ecological approach in order to restore the emotionality of children. This study aimed at providing a guideline for designing the interior of elementary schools based on ecological approach. Through literature review, the characteristics of ecological architecture and the regulations for green buildings were explored. Also 7 elementary schools which were evaluated as good school design through renowned books representing the ecological characteristics were chosen and analyzed. The results revealed that the school design included natural lighting by roof lighting, natural ventilation, greening, and use of natural materials. This study suggested three categories as a the guideline for the interior space of eco-school design; energy efficiency, greening and sustainability, which included natural lighting, natural ventilation, heating and cooling, planting, materials and water recycling.

• Journal of The Korean Digital Architecture Interior Association
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• v.11 no.1
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• pp.83-90
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• 2011

Lighting simulation is becoming increasingly more important as a method for design and evaluation. There is a wide range of packages that provide the accuracy and the usability in lighting simulation. Relux developed by Relux Informatik AG, Switzerland, Relux offers users innovative and high-performance light planning software with open interfaces and simultaneous access to the latest product data from luminaire and lamp manufacturers. The goals of this report is to explore some of the lighting simulation issues relating to Relux. It is hoped that it will provide some background information that will enable a designer and engineer to make some informed judgements on the potential of the current state-of-the-art in computer prediction of lighting in buildings and how this may be used to assist in building design.

• Korean Institute of Interior Design Journal
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• no.34
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• pp.124-131
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• 2002

Lighting is the single most important part of the design of a retail store. Good lighting can enhance a product's appearance, accentuate a special display, balance the visual elements of a store, and create the proper mood. In shops the lighting is required to draw the customer's attention to the goods help him to appraise them, and provide an atmosphere conducive to sales. The method will vary according to the types of good displayed, the form of trading, the design of the shop, and the class of customers expected. For the all reason, this study is focused on how the lighting design effects the customer's interest to the goods and intended to prescribe the possibilities of effective lighting design.

• Korean Institute of Interior Design Journal
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• v.16 no.1 s.60
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• pp.119-125
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• 2007

Changing depends on the one and only out of many design elements constituting the outside, and a Lighting design has an easy characteristic among space. Therefore accuse various sensitivity to watch when lighted up the same environment with Lighting of other colors, and it is an interesting point to show a communication tendency of a Lighting design in the present age escape from a general idea transmit a change of sight to a man of experience directly, and to clarify space simply, and to show various power of expression. The study of a book tried to make a searching examination for a generation cause of this tendency by trying to observe the modern Lighting design tendency that various desires were reflected in of the modern society in various general ideas of communication.

• Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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• v.27 no.12
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• pp.28-37
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• 2013

This paper focuses on the domestic illumination research trends in 2012 based on reviewing the published papers in the Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. It classifies and resumes the papers in five themes including exterior lighting, interior lighting, LED/OLED, optical device and optical fiber, and lighting industry. By comparatively studying a large number of papers published in Japan, North America, and China in the same year, the international illumination research trends are also figured out and further academic research topics are suggested.

• Proceedings of the KIEE Conference
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• 2000.07c
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• pp.2162-2164
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• 2000

In this paper, it is analysed the spectrum of optical fiber output through a sunlight collector system. Also the lighting environments under the optical fiber bundles are predicted when applied to interior lighting by using a simulation program. As the result its feasibility as an interior lighting source shows any serious problem except the system cost.