• Title/Summary/Keyword: Visibility Factor

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A Study on Evacuation Safety of Trainingship HANBADA using FDS & maritimeEXODUS

  • KIM, Won-Ouk;HAN, Ki-Young;KIM, Dae-Hee
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.23 no.3
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    • pp.266-272
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    • 2017
  • In this study, it was simulated and analyzed the evacuation safety to identify the cadets' evacuation time by using maritimeEXODUS which is applied IMO MSC.1/Circ.1238 theory as well as the trim and heel which are the major factor of reducing the ship evacuation speed. In addition, this study carried out a simulation through the special program for fire analysis - FDS (Fire Dynamics Simulator) in order to find the effective evacuation time, i.e. life survival time. Particularly, this study did comparative analysis of the influence on the survival of cadets based on the collected simulation data by fire size and sort. As a result of the analysis, It was analyzed the Evacuation Allowable Limit Temperature $60^{\circ}C$ and resulted that there is no influence in evacuation by temperature. As a result of the analysis on visibility evacuation limit 5 m, it was found that the only one evacuation rallying point could not meet the evacuation safety. However, it derived the perfect evacuation safety under the condition of two rallying points available on wood fire. In case of Kerosene, it was satisfied the evacuation safety if the heeling was under $10^{\circ}$. Moreover, it could not meet the evacuation safety by evacuating through upper deck although there were two evacuation rallying points. When it was set by the lifeboat descending maximum angle-$20^{\circ}heel$ and $10^{\circ}trim$ which was described in SOLAS regulation, it was simulated that the wood fire having two evacuation rallying points in the center of the ship satisfied the evacuation safety.

An Investigation in the Thermal Effect on a Low Earth Orbit Satellite under Yaw Motion for the Visibility of a Star Sensor (저궤도 위성에서 별센서의 가시성을 위한 Yaw Motion에 따른 열적 영향 고찰)

  • Kim, Hui-Kyung;Lee, Jang-Joon;Hyun, Bum-Seok
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.37 no.7
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    • pp.709-716
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    • 2009
  • Thermal condition according to the operation attitude of a satellite in orbit would be essential to be known because the orbit attitude is a dominant factor to affect satellite thermal design. In this paper, the change in space thermal environment and the thermal effect in thermal design are studied for a low earth orbit satellite according to the yaw motion. The present satellite retains sun-pointing attitude during daylight due to the fixed type solar arrays. And it also moves along the orbit with constant yaw motion in a longitudinal axis so that a star tracker which is a star sensor for satellite's attitude control always looks into the deep space. This attitude is considered in its better visibility to the stars for a successful mission operation. Also, it is required to access the corresponding thermal effects due to the yaw motion. Therefore, we try to verify these by the thermal analysis for the satellite thermal model with the yaw motion.

The Image Evaluation for Tone Variation in Same Color of Clothing and Lipstick of the Clothing Wearers (의복과 립스틱의 동일색상 톤 변화에 따른 의복착용자의 이미지 평가)

  • Jeong, Su-Jin
    • Journal of the Korea Fashion and Costume Design Association
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    • v.9 no.2
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    • pp.15-30
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    • 2007
  • The purpose of this study is to investigate the effect of makeup, clothing tone and clothing style on wearer's with same color coordination of lipstick and clothing. The experimental materials developed for this study were a set of stimulus and response scales (7-point scale semantic). The stimuli were 64 color pictures were manipulated by computer simulation. This experiment design was $2{\times}2{\times}4{\times}4$ factorial design. The stimuli were a set of eyeshadow color(brown), clothing style (formal style of Jacket / skirt and casual style of cardigan / pants), lipstick and clothing color (red and orange), lipstick tone(vivid, light, dull and dark), clothing tone(vivid, light, dull and dark). The subjects of this research were 384 female undergraduates living in Gyeongsangnam-do. The investigation was carried out at a lecture hall at the time between 10 a.m. and 3 p.m. in May 2006. The data were analyzed using SPSS program. Factor analysis, 4-way ANOVA, t-test, and Duncan test were used as analysis methods. Image factors according to variation of clothing style, clothing color, and makeup color are composed of 4 different dimensions (visibility, attractiveness, tenderness, and stability). In dimension of the visibility, the image was perceived to be glowing and luxurious regardless of lipstick tone and lipstick color in the case of the vivid tone clothing. According to the variation of clothing style, clothing color and tone, makeup color composed of eyeshadow color, lipstick color and tone, it was investigated that the images for a clothing wearer were expressed diversely, were shown differently in image dimensions, and could be produced to different images. The analysis data for images according to the combination of makeup and clothing color, tone, and style thus provide basic material for image consulting or color coordination.

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A Measuring Model of Risk Impact on The App Development Project in The Social App Manufacturing Environment (Social App Manufacturing 환경의 앱 개발 프로젝트에서 위험영향도 측정 모델)

  • Baek, Jung Hee;Lim, Young Hwan
    • KIPS Transactions on Software and Data Engineering
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    • v.3 no.9
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    • pp.335-340
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    • 2014
  • Crowd Sourcing-based Social App Manufacturing environment, a small app development project by a team of anonymous virtual performed without the constraints of time and space, and manage it for the app development process need to be automated method. Virtual teams with anonymity is a feature of the Social App Manufacturing, is an important factor that increases the uncertainty of whether the completion of the project or reduction in visibility of the progress of the project. In this study, as one of how to manage the project of Social App Manufacturing environment, the impact of risk that can be used to quantitatively measure the impact of the risk of delay in development has on the project also proposes a measurement model. Effects of risk and type of the impact of risks associated with delays in the work schedule also define the characteristic function, measurement model that has been proposed, suggest the degree of influence measurement equation of risk of the project in accordance with the progressive. The advantage of this model, the project manager is able to ensure the visibility of the progress of the project. In addition, identify the project risk of work delays, and to take precautions.

A Study on the Visual Cognitive Characteristics of the Spatial Configuration in Children's Rehabilitation Hospitals - Focused on the Pediatric Rehabilitation Outpatient and Therapy Areas - (어린이 재활병원 공간구조의 시지각적 특성 연구 - 소아재활 외래진료부 및 재활치료부 영역을 중심으로 -)

  • Cho, Min-Jung
    • Journal of the Architectural Institute of Korea Planning & Design
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    • v.34 no.10
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    • pp.83-94
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    • 2018
  • In many theoretical and empirical studies on the design issues of therapeutic healthcare facilities, spatial configuration that promotes users' wayfinding behavior, has been emphasized as a significant factor to mitigate stressful experiences and to enhance restorative quality in the healthcare environment. This is also applicable to the healthcare setting for children. However, not much evidence has been reported with regard to the relationship between spatial configuration and wayfinding behaviors in this specific setting. Moreover, healthcare facilities for children with physical disabilities need more attention to provide easy wayfinding due to various physical restrictions. The aim of this study is therefore, to unfold the relationship between spatial configuration and visual cognitive qualities of outpatient spaces in the selected children's rehabilitation hospitals in Seoul, by examining visual cognitive attributes such as visibility, accessibility, and intelligibility. In the first phase, the spatial layout of the hospitals was analyzed, with an emphasis on the major outpatient areas such as the entrance lobby, doctors' examination, and physical therapy zones. In the second phase, a space syntax tool was implemented to examine visual cognitive characteristics of the spatial configuration. The spatial configuration parameters measured were integration, integration core, visual isovist field continuity, correlation between integration and step depth, and the correlation between integration n and integration 3. As a result, the integration was higher in the hall type configuration. Circulation intersections acted mostly as integration cores for better visibility. Some areas showed the lack of continuity in the visual isovist fields overlap and irregular correlation between integration and step depth. The intelligibility was higher in the circulation area and social interaction spaces such as a cafe, reception waiting, and therapy waiting areas. Based on the analysis, design implication and possible future improvement were discussed to enhance wayfinding experiences in the hospitals for children with physical disabilities.

Analysis of the Economic Disaster Scale for Fog Case occurred at the Incheon International Airport (인천국제공항 안개사례를 통한 경제적 재해 규모분석)

  • Jung, Woo-Sik;Lee, Joong-Woo;Choi, Hyo-Jin;Kwon, Tae-Sun;Back, Jong-Ho;Park, Jong-Kil
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.15 no.2
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    • pp.40-47
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    • 2007
  • Poor visibility is very important information in aviation meteorology factor, because secure safety, trust and economical efficiency increase for aircraft movements. The Incheon International Airport 4 years recent times was to period aircraft movements delay and cancellation due to meteorology is 52% and 30%. And then fog is 63% and 43% in meteorology factor. Therefore, the analysis against the economic loss size of an airline due to the fog is necessary. This study is indirectly estimated economic disaster scale of flight return and cancellation due to the fog in the Incheon International Airport from 5 to 6 March 2006. This is based on an aviation operational statistics data and meteorology observation data. Result of estimated, total 14 flights return to Gimpo, Jeju and Gimhae in this period are about 208,205,700 won. And estimated total 10 flights cancellation are about 718,657,000 won.

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Exploring Conventional Models of Purchase Intention: Consumer Attitudes Towards Smartphones Advertisement

  • Manaf, Ahmad Azaini;Lee, Sung-Pil
    • Science of Emotion and Sensibility
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    • v.17 no.2
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    • pp.13-24
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    • 2014
  • Mobile phone makers compete for market shares through domination in media advertisements. These include domination of advertisements (Ads) in TV and the internet. However, the abundance and complexity of the competitions of Ads in TV does not guarantee advertising success which can influence consumers' emotion and the purchase intention towards the brand. This research analyses the case of a directional model on Attitude-towards-the-Ad model as a baseline into a new proposed correlation models (MacKenzie, Scott, &Lutz, 1989). The survey targets the involvements of Asian smartphone owners' attitude on advertisements, brands and purchase intentions. CFA (Confirmatory factor Analysis) was used in the research experiments, including hypothesis testing, the outcome of model fit which revealed significant levels and were successful. The study revealed that all three paths have consistently high coefficient paths (Attitude to Ads - Attitude to Brands - Purchase Intention), showing significant value of (${\beta}$=>.80), which supported each correlation factors. Therefore, this structural model, could set standards for creative managers and advertising teams to improve the brands visibility and build strong influences on attitudes in advertisements and improve purchase intentions.

Effects of Innovation and Peer Pressure on Color Make-up Behaviors of Middle and High School Students (여중고생의 혁신과 또래압력이 색조화장행동에 미치는 영향)

  • Nam, Hun-Ihl;Song, Kie-You;Lee, Jay
    • CRM연구
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    • v.3 no.2
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    • pp.1-20
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    • 2010
  • Due to the nature of teenage students' common tendency of being drawn to consumption conformity engendered by popular trends, and further expanding their unique collectivist culture, this study presumes that middle and high school female students as well have an influential factor that creates their distinctive trait. This study is intended to investigate the students' personal characteristics and effects of social reference groups, and further scrutinize how these influences transcends to deviant make-up behaviors. A total of 297 subjects, middle and high school female students, participated in a survey, using questionnaires focused primarily on the degrees of color makeup and the influences imposed by classmates. The findings of the study are as follows. First, regarding makeup behavior displayed by middle and high school female students, social self-esteem had positive influence on innovation and peer pressure. Second, perceived visibility conversely had negative impacts on innovation and peer pressure. This indicates that if perceived visibility is at a salient level, this already signifies lack of innovation. Third, makeup innovation and peer pressure demonstrated by middle and high school students all showed positive influence on their makeup behaviors. Additionally, peer pressure, in comparison to innovation, had greater influence on makeup behaviors, which indicates that peer pressure play a great role in makeup behavior of middle and high school students. Fourth, makeup behaviors showed strong impacts on makeup satisfaction and rendering deviant behaviors, which indicates that a new direction and perspective regarding middle and high school students' makeup behavior is critical.

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The Effect of flow experience of online Taekwondo demonstration on participation and re-visibility : For adult women (온라인 태권도 시범 공연의 플로우(Flow) 경험이 관여도 및 재관람의도에 미치는 영향 : -성인 여성을 대상으로-)

  • Seo, Eun-Mi
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.3
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    • pp.415-424
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    • 2021
  • This study aims to identify the impact of flow experience on participation and re-view of online taekwondo demonstrations on adult women, and provide practical data to revitalize online taekwondo demonstration performances, promote visitors, and promote adult taekwondo trainees. Visitors who watched the "High Kick" online taekwondo demonstration performance performed by the Kukkiwon Taekwondo Demonstration Team were selected as a population, and a total of 248 copies of the data were finally used by distributing online questionnaires. First, the difference in flow, involvement, and re-visibility due to female visitors' experiences in taekwondo is the perception, time distortion, and involvement except pleasure factors among flow sub-factors. There is a difference in the factors of re-viewing. Second, among the flow factors of online taekwondo demonstration performances, the factors of attention, pleasure, and time distortion were found to have had a positive impact on involvement. Third, the flow factor of online taekwondo demonstration shows a positive effect on the intention of re-watching. Fourth, the level of participation in online taekwondo demonstrations has a positive effect on the intention of re-watching. The results of this study suggest changes in attitudes and behavior, such as increased involvement of female visitors and intention of re-viewing, and it is believed that online performances will help establish a new non-face-to-face cultural performance system.

A study on the development of the nuclear R&D performance monitoring system (원자력연구개발 목표관리시스템 개발)

  • 박준원;최현호;원병출
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 1996.04a
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    • pp.217-220
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    • 1996
  • This study presents a R&D performance monitoring system (RDMS) that is applicable for managing nuclear program in KAERI. The prime goal of RDMS is to furnish project manager with reliable and accurate information on status of progress, performance and resource allocation, and attain traceability and visibility of project implementation for effective project management. In this study, the work breakdown structure (WBS) as the governing factor for integration of scope, schedule, resource data was derived, and the above parameters were loaded personal computer. A RDMS is comprised of about 12,000 R&D activities of the 16 goverment-led projects. The Primavera software was used to monitor the progress, evaluate the performance and analyze the resource distribution to activities.

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