• Archives of design research
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• v.17 no.2
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• pp.55-66
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• 2004

Full-length Animation has been producing very actively with a large of U.S.A and growing rapidly as a pare of entertainment industry since the middle of the 1990's. However, in actual fact, Korea Animation doesn't have any characteristics as compared with Japan Animation & U.S.A Animation's growth. It is owing to in financial difficulty and that there's no conversion about consciousness that Animation is only for children. This study is constructed with color information as the central figure from a gradation of information delivery and analyzed ‘Image Color’ of full-length animation which is produced by large studio in U.S.A. This study predicts about past, present and future of animation centering around a color that visual sensitivity factor which recognize enormous information very quickly among sensitivity stimulus of human being. With this study analysis a color of U.S.A animation, looking for sensitivity color factor that react to elaborate and delicate stimulus, and then expressed color from developed animation skill apply to sensitivity industry.

• KIEAE Journal
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• v.16 no.3
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• pp.77-82
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• 2016

Purpose: The aim of this study is to calculate U-factor of the window using international standard methods and compare quantitative and tendency difference focused on ISO standard 15099 and ISO standard 10077. And the result of ISO standard calculation methods is verified using thermal performance experiment to evaluate applicability of domestic certification system. This study is utilized a basis for activation of domestic window certification system. Method: First, 16 cases are selected that is combined a variety of frame, Glazing, spacer, etc. The selected cases were simulated using WINDOW&THERM based on ISO 15099 and 10077 calculation method. Second, experiment was conducted based on Korean standard condition. Then, it was compared the error of experiment and simulation results. Through this process, ISO 15099 and 10077 calculation methods were evaluated accuracy and utilization. Result: The results show that the difference of ISO 15099 and ISO 10077-2 is maximum 5.4%. The results of comparing U-factor errors based on the Korea standard experiment test found 2.4%. Consequently, it will be possible to combination calculation methods of ISO 15099 and ISO 10077 for a single window.

• Journal of Sensor Science and Technology
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• v.23 no.3
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• pp.197-201
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• 2014

TEPC (Tissue Equivalent Proportional Counter) was usually used for high LET radiation dosimetry. We developed a prototype TEPC for micro-dosimetry in the range of $0.2{\sim}300 keV/{\mu}m$. And, the simulated site diameter of the TEPC is $2{\mu}m$, of similar size to a cell nucleus. For purposes of characterization the response for high LET radiation of the TEPC has been investigated under 135MeV/u Carbon ions in HIMAC (Heavy Ion Medical Accelerator). We determined the gas multiplication factor and measured the lineal energy spectrum [yd(y)] of 135 MeV/u Carbon ions. The value of the gas multiplication factor was 315 at 700 V bias voltage. As a result of the experiment, we could more understand the performance of the TEPC for high LET (Linear Energy Transfer) radiation. And the procedure of high LET radiation dosimetry using TEPC is established.

• Journal of Korean Medicine Rehabilitation
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• v.18 no.2
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• pp.1-15
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• 2008

Objectives : The aim of this study was to know the immunity response of Haedongpibokhap-bang($H{\check{a}}it{\acute{o}}ngp{\acute{i}}f{\grave{u}}h{\acute{e}}-f{\bar{a}}ng$) to rheumatoid arthritis in collagen-induced arthritis(CIA) mice. Methods : For this purpose, Haedongpibokhap-bang($H{\check{a}}it{\acute{o}}ngp{\acute{i}}f{\grave{u}}h{\acute{e}}-f{\bar{a}}ng$) was orally administerd to mice with arthritis induced by collagen II and then value of immunocyte in spleen, draining lymph node and paw joint and cytokine(IL-6, $TNF-{\alpha}$), rheumatoid factor (IgG and IgM) in serum were measured. Results : 1. The arthritis index was significantly decreased. 2. In total cell counts of spleen, DLN and paw joint, the cells in spleen decreased while there was a significant increase in DLN and significant decrease in paw joint. 3. In lymph nodes, CD3+, CD3+/CD69+, CD4+, CD8+ cells increased significantly. 4. In joints, CD3+ and CD11+b/Gr-1+ cells decreased significantly. 5. Serum IL-6 and $TNF-{\alpha}$ were decreased significantly. 6. Production of serum IgG and IgM decreased significantly. Conclusions : The results present that Haedongpibokhap-bang($H{\check{a}}it{\acute{o}}ngp{\acute{i}}f{\grave{u}}h{\acute{e}}-f{\bar{a}}ng$) controls abnormal activity of immune system, inhibitig collagen-induced arthritis(CIA).

• Proceedings of the KIEE Conference
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• 1996.11a
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• pp.367-369
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• 1996

This paper proposed that a buck type AC-DC Converter for high power factor operates with four chopper connecting a number of parallel circuit. And, some simulative results on computer is included to confirm the validity of the analytical results.

• Proceedings of the KIEE Conference
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• 1995.07a
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• pp.107-109
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• 1995

This paper considers backing structure of non-contact steel plate using magnectically levitation and aspect-quality factor is defined by estimation of electromagnet-aspect attraction steel plate. Characteristics of attraction power is studied in cylindrical electromagnet, U-type electromagnet, E-type electromagnet by aspect-quality factor. Designing and manufacturing electromagnet attraction steel plate, propriety of experimental results is confirmed.

• The Research Journal of the Costume Culture
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• v.26 no.5
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• pp.806-821
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• 2018

The study aims to investigate the effects of media and self-image congruity of ideal body image on the dieting and exercising behaviors of Korean and U.S. female college students. This study focuses on the concept of self-image congruity in order to examine how respondents perceive actual and desired self-images compared to an ideal female body image selected by respondents. A self-administered survey was conducted, resulting in 331 total responses (194 from Korean students and 137 from U.S. students). The data were analyzed through descriptive analysis, t-test, exploratory factor analysis, and regression analysis using SPSS 23.0. The findings revealed significant differences between Korean and U.S. female college students. U.S. students were more exposed to body image ideals in the media than Korean students; however, Korean female students valued the information regarding ideal body image conveyed by the media more than U.S. respondents. Among Korean female students, exposure to media messages regarding ideal body image and media importance had significant effects on desired self-image congruity, while these factors were not significant among U.S. students. However, there was a negative effect of media exposure on actual self-image congruity among U.S. respondents only. Additionally, the study uncovered that Korean students manage their body image through dieting behaviors while U.S. respondents manage body image through exercise behaviors (weight training as well as cardiovascular exercise). The study provides further support for self-image congruity, which extends its applications to the body image field.

• Journal of the Institute of Electronics Engineers of Korea TC
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• v.41 no.6 s.324
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• pp.93-99
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• 2004

According to rapid increment of demand for wireless Local Area Network (LAN), the HyperLAN of 5.1-533GHz and 5.725-5.825GHz is newly allocated for wireless LAM in many regions over the world. Also, because most of mobile communication equipments are small, the size of antenna is important factor of effective design. In this paper, the compacted and wide bandwidth antenna is designed for wireless LAN at 5GHz band. Although the structure of U-shaped slot antenna is simple, It has large bandwidth of $10-40\%$. Also, the U-slot antenna has good radiation pattern. However, in general, the size of U-slot antenna is large. Therefore, it is difficult to apply to wireless equipment such as PDA and Notebook. This proposed antenna has a wide bandwidth by U-shaped slot in rectangular patch and is compacted by using two layered dielectric substrates and foam. For the design of U-slot antenna, the Finite Difference Time Domain method is applied. Also, the method of MPI parallel program is used for the enhancement of the analyzing speed of the FDTD method.

• KIEAE Journal
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• v.17 no.4
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• pp.33-39
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• 2017

Purpose: The use of renewable energy system is essential for building energy independence and saving energy consumption in the building sector. Among renewable energy technologies, ground source heat pump(GSHP) system is more energy-efficient and environmental-friendly than other heat source systems due to utilize stable ground heat source. However, the GSHP system requires a high initial installation cost and installation space in limited urban area, so it is difficult to have superiority in the market of heat source system. Therefore, it is necessary to develop the installation method of low-cost and improve system performance. This paper aims to evaluate the performance of double u-tube ground heat exchanger(GHX) and verify system feasibility through real-scale experiment. Method: In this study, the real-scale experiment of vertical closed-type GSHP system was conducted using double u-tube GHX and high-efficiency grout. Through the verification experiment, heat source temperature, heat exchange rate(HER) and seasonal performance factor(SPF) were measured according to the long-term operation. In addition, the feasibility analysis was conducted comparing to the single u-tube system. Result: In the results of experiment, average HER was 136.27 W/m and average SPF was 5.41. Furthermore, compared to the single u-tube, the installation cost of the developed system could be reduced about 70% in the same heating load condition.

• Journal of computational fluids engineering
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• v.20 no.1
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• pp.39-46
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• 2015

In this research, we studied the pressure drop affecting on the internal surface roughness and the curvature radius of a U-tube, which is used for the cooling system in PWR(Pressurized Water Reactor). Using ANSYS-FLUENT, a commercial code based on CFD(Computational Fluid Dynamics) technique, we compared a Moody chart with the Darcy friction factor changed by a range of various surface roughness and Reynolds numbers of a straight pipe model. We studied the effect giving variation about a range of various surface roughness and the curvature radius of the full scale U-tube model. The material of the heat transfer tube is Inconel 690 used in the steam generator. We compared the velocity distribution of selected 4 locations, and derived the correlation between the surface roughness and the pressure drop for the U-tube of each representative curvature radius using the linear regression method.