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게임의 몰입을 위한 배경 컨셉 디자인 연구: 「젤다의 전설_야생의 숨결」을 중심으로
김진훈 ( Jinhoon Kim ) 한국창의정보문화학회 2023 창의정보문화연구 Vol.9 No.2
본 연구는 미하이 칙센트미하이의 몰입이론을 기반으로 게임의 몰입구조를 규정하였다. 배경 그래픽이 게임의 몰입 과정의 한 축을 담당하는 것을 확인했으며, 배경 컨셉 디자인의 세계관 표현 및 구성 방법을 분석하였다. 「젤다의 전설_야생의 숨결」의 마을들의 배경 컨셉 디자인을 분석하여 배경 그래픽이 정보제공의 역할과 스토리텔링 도구의 역할을 하는 것을 알게 되었다. 이를 통해 사용자들은 인지 부하를 감소시키고 게임내 스토리와 감정에 몰입할 수 있을 것으로 분석된다. 연구 결과, 일관된 표현 규칙과 직관적인 디자인을 통해 세계관 컨셉 설정을 충실히 재현한 배경 컨셉 디자인은 사용자가 다양한 배경 그래픽 속에서 게임의 목표를 달성할 수 있도록 정보를 명확하게 전달할 수 있다. 또한, 시각적으로 스토리를 연상시키는 배경 컨셉 디자인은 스토리텔링을 가능케 해 더욱 풍부한 몰입 경험을 제공할 수 있을 것이다. This study defined the immersion structure of the game based on Mihaly Csikszentmihalyi's theory of flow. It was confirmed that background graphics play an axis in the game's immersion process, and the expression and composition of the worldview of the background concept design were analyzed. By analyzing the background concept designs of the villages in 「The Legend of Zelda: Breath of the Wild」, we learned that background graphics serve as information provision and storytelling tools. Through this, it is analyzed that users will be able to reduce cognitive load and immerse themselves in stories and emotions in the game. As a result of the study, the background concept design, which faithfully reproduces the worldview concept setting through consistent expression rules and intuitive design, can clearly convey information so that users can achieve the goal of the game in various background graphics. In addition, the background concept design visually reminiscent of the story will enable storytelling to provide a richer immersion experience.
현상적 수트 모델을 이용한 디젤 엔진의 분할 분사에 관한 연구
김진훈(Jinhoon Kim),김병룡(Byungyong Kim),성낙원(Nakwon Sung) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_1
Some studies have been reported that split injections are effective for reducing soot. This study was conducted to understand how split injection affects the soot emission in a direct injection diesel engine by using a phenomenological model of soot formation. In the model of soot formation, major generic processes are included such as the formation of soot precursors, formation of surface growth species, soot particle nucleation, coagulation, surface growth and oxidation. It consisted of four differential equations balancing the rates of change of soot precursor radicals, soot growth species, and particle number density. Arrhenius type global kinetic rate expressions were written for the most of the processes. The model was implanted into the modified KIVA-3V code. The results showed that split injection reduced soot emissions in all calcuation cases.
분할 분사가 디젤 엔진의 수트 및 질소 산화물에 미치는 영향
김진훈(Jinhoon Kim),성낙원(Nakwon Sung) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
The modified KIVA-3V code was used to study the soot and NO emissions of a diesel engine with split injection. A model of soot suggested by Foster er al.[1] was implemented in KIVA-3V code. In order to understand the emission characteristic of split injection, the first injection quantity and injection dwell were varied. Regarding soot, there existed the optimal conditions of split injection for lowest soot reduction by varying the first injection quantity and injection dwell. The optimal conditions were found when the first injection quantity was large enough to burn actively. The results showed that NO emissions increased as the percentage of fuel in the first injection was increased and the injection dwell was decreased. Increaed NO emission was due to higher combustion temperature.
산 촉매에 따른 아나타제/브루카이트 혼성형 TiO<sub>2</sub> 광촉매의 메틸렌블루 광분해특성
윤석민,김진훈,정의경,임지선,이영석,Yun, Seok-Min,Kim, Jinhoon,Jeong, Euigyung,Im, Ji Sun,Lee, Young-Seak 한국공업화학회 2011 공업화학 Vol.22 No.1
본 연구에서는 난분해성 유기물질의 광분해능을 증가시키고자 다양한 산 촉매 및 마이크로웨이브법으로 아나타제/브루카이트 혼성형 $TiO_2$ 광촉매를 제조하였다. 또한 그에 따른 입자 및 결정크기와 브루카이트 분율에 따른 메틸렌블루의 광분해특성을 고찰하였다. 아나타제/브루카이트 혼성형 $TiO_2$ 광촉매의 표면특성 및 입자크기는 주사전자현미경과 레이저회절 입도분석기를 통하여 평가하였고, 결정구조는 X선 회절장치를 통하여 확인하였다. 메틸렌블루의 광분해 특성은 자외선 가시광선 분광광도계를 통하여 확인하였다. 주사전자현미경과 레이저회절 입도분석결과로부터 아나타제 및 아나타제/브루카이트 혼성형 $TiO_2$ 광촉매는 약 500 nm 이하의 클러스터 형태의 입자크기 나타내었고, 평균입자 크기는 $6.66{\sim}6.85{\mu}m$로 산 촉매 종류에 의한 영향은 크지 않음을 알 수 있었다. 산 촉매의 종류 및 마이크로웨이브법으로 제조된 $TiO_2$ 광촉매는 XRD 분석결과로부터 아나타제/브루카이트 혼성형 결정구조를 나타내었고 그 결정구조는 마이크로웨이브 조사시간의 증가에 따라서 변화하지 않았다. 메틸렌블루의 광분해능 실험결과로부터 광분해능은 브루카이트 분율 및 결정크기에 비례하지 않았으며, 브루카이트 분율 및 결정크기가 적정치 이상이 되면 오히려 촉매활성이 저하되는 경향성을 나타내었다. 본 연구결과에서는 브루카이트 분율 및 결정크기가 9.4%, 4.53 nm인 아나타제/브루카이트 혼성형 $TiO_2$ 광촉매가 가장 우수한 광분해능을 나타내었다. In this study, anatase/brookite hybrid $TiO_2$ was prepared using different acid catalysts and microwave to improve photodegradation of organic pollutants. The methylene blue photodegradation properties of the prepared photocatalysts with different particle/crystal size and brookite fractions were investigated. Surface characteristics and particle sizes of anatase/brookite hybrid $TiO_2$ were evaluated using scanning electron microscopy (SEM) and laser diffraction particle size analyzer, respectively and crystal structures were investigated with X-ray diffraction (XRD). Methylene blue photodegradation properties were evaluated with UV-vis spectrophotometer. Anatase and anatase/brookite hybrid $TiO_2$ had less than 500 nm size of clusters and the average particle size of $6.66{\sim}6.85{\mu}m$, suggesting that types of acid catalysts did not affect the size. XRD of the prepared $TiO_2$ showed that the photocatalysts had anatase/brookite hybrid crystal structure and applying microwave did not change their crystal structure. Photodegradation of methylene blue with the prepared photocatalyst did not increased proportionally to the fraction of brookite and the crystal size and decreased when brookite fraction and the crystal size increased further. Anatase/brookite hybrid $TiO_2$ with brookite fraction of 9.4% and crystal size of 4.53 nm shows the best photodegradation activity of methylene blue.
황지은(Jieun Hwang),김진훈(Jinhoon Kim),이은주(Eunju Lee) 한국질적탐구학회 2023 질적탐구 Vol.9 No.4
The purpose of this study is to take an in-depth look at the lives of experienced speech therapists. The research participants were five speech-language pathologists with more than 20 years of experience, who analyzed the data collected through individual in-depth interviews were coded to categorized the themes. From this process, Six large themes emerged and Small themes emerged only in the first, second, fourth, and fifth large themes. 1. Meeting speech therapy for the first time: ‘meet people’, ‘study hard’, ‘make my first voyage’, 2. Working as a speech-language pathologist: ‘To my colleagues going out to sea together’, ‘To hold the helm with parents’, ‘My compass was always pointed at the children’, 3. Struggling to be ethical, 4. Thinking about retirement: ‘Now I can ride the waves skillfully...’, ‘Before dropping anchor and retiring’ 5. Leave a message for juniors: ‘Feel Fresh, Novel, Enviable’, ‘Feel Sorry, Pity, Commendable’, 6. Reflecting on my life: All those moments filled my life. Based on the results, we discussed the circumstances under which they first started in speech-language pathology, what motivated them to stay in the profession for the long term, maintaining ethical behavior, changes over the course of their careers, and retirement.