3D 테크 관광기념품 속성에 관한 연구

전기환 ( Jeon Ki-hwan ) 한국관광산업학회 2020 Tourism Research Vol.45 No.4

본 연구는 최근 제조업의 혁명이라 불리는 3D프린팅 기술을 활용한 맞춤형 관광기념품이 침체된 국내 관광기념품 산업에 새로운 활력을 불어넣을 수 있다는 점에 착안해 관광기념품 개발에 어3D 테크 기술을 적극 활용하는 방안을 제시하고자 한다. 본 연구에서 관광기념품의 개념과 특징, 3D프린터 기술의 개념과 특징, 그리고 선행연구에 대해 알아보고 이론적 체계의 정립과 관광기념품에 대한 현황과 문제점 등을 도출하고 전문가의견조사를 거쳐 관광기념품 중요 속성 연구의 새로운 방향을 제시하고자 했다. 선행연구에서 제시된 영향변수를 토대로 체계적·객관적인 분석을 제공하고자 3D테크 관광기념품에 대한 4가지 중요 변수와 이를 세분화 한 12개의 변수를 설정하였다. 세분화된 12개 변수의 중요도를 평가하기 위해서 관광기념품 판매종사자ㆍ개발자ㆍ대표자 및 국내외 관광안내원 등 전문가를 대상으로 설문조사를 실시하였다. 실증 분석 결과를 바탕으로 3D테크 관광기념품 중요 속성 연구를 다음과 같이 제시하였다. 첫째, 이론 연구와 전문가 의견조사를 통해 3D테크 관광기념품의 4가지 중요 속성을 실용성, 기술성, 심미성, 상징성으로 구분하였다. 둘째, 실증 분석 결과 소비자들은 관광기념품의 심미성 속성인 디자인, 독특함, 색감을 다른 속성에 비해 중요하게 고려하는 것으로 확인되었다. 셋째, 3D테크 기술을 활용한 3D테크 관광기념품 개발에 있어서 사용성, 기능성, 디자인, 가치성을 우선적으로 중요하게 고려해야 할 것으로 분석됐다. 본 연구의 수행성과는 3D테크 관광기념품에 대한 이론적 기초를 제공하였고, 3D테크 관광기념품 구매 실태, 3D테크 관광기념품 속성에 관한 중요도 인식 등을 파악해봄으로써3D테크 관광기념품 중요 속성에 관한 후속 연구에 활용되도록 하였다. Based on the fact that customized tourist souvenirs using 3D printing technology, called the recent revolution in manufacturing, can breathe new life into the sluggish tourism souvenir industry in Korea, this study suggests ways to actively utilize 3D technology in the development of tourism souvenirs. In this study, we tried to find out about the concept and characteristics of tourist souvenirs, the concept and characteristics of 3D printer technology, and the prior research, draw up the theoretical framework and the current status and problems of tourist souvenirs, and present a new direction of the important attribute study of tourist souvenirs after expert opinion survey. To provide systematic and objective analysis based on the influence variables presented in the preceding study, four important variables for the 3D Tech tourist souvenirs and 12 variables that subdivide them were set. In order to evaluate the importance of the 12 detailed variables, a survey was conducted on experts such as tourism souvenir sellers, developers, representatives, and domestic and foreign tour guides. Based on the empirical analysis results, important attribute study of 3D Tech tourist souvenirs was presented as follows. First, through theoretical research and expert opinion survey, the four important properties of 3D Tech tourist souvenirs were divided into practicality, technicality, aestheticity and symbolism. Second, empirical analysis confirmed that consumers consider the aesthetic properties of tourist souvenirs, design, uniqueness and color, more important than other properties. Third, it is analyzed that usability, functionality, design, and value should be considered first in the development of 3D Tech tourist souvenirs using 3D technology. The performance results of this research provided the theoretical basis for 3D Tech tourist souvenirs and were used for follow-up research on important 3D Tech tourist souvenir properties by identifying the status of purchase of 3D Tech tourist souvenirs and the recognition of importance of 3D Tech tourist souvenir properties.

서울 지역 학생의 신장 및 체중에 관한 연구

전기환(Ki-Hwan Jeon) 대한치과교정학회 1974 대한치과교정학회지 Vol.4 No.1

The age of maximum growth increments-the adolescent spurt-is not only of developmental interest but is used as a marker for timing other growth events. And the mandibular growth rate follows the general growth curve, it is essential for an orthodontist to take the current and exact information about physical growth of patients. The author measured and studied the body height and weight of 11,694 children living in Seoul, and calculated out the mean, standard deviation, coefficient value, annual increments, percentage increments of each value, and made diagram to compare it with others. 1. The growth curve shows linear increment tendency until 17 years of age in male, 15 years in female. 2. The annual increment curves of body height and weight reveals the most peak value in 14-16 years in male and 11-14 years in female. 3. During 11-14 years of age, female growth exceed the male growth in the body height growth. And in weight growth, female growth exceed the male growth during 6-7 years and 11-12 years to show twice crossing. 4. It seemed that until 11-12 years in male and until 9-10 years in female the height growth show the priority to weight growth. And from 17 years in male and 15 years in female the body growth reveals the balanced growth pattern. 5. The time of changes of standard deviation curves of body height and weight coincided with that of annual increments. 6. The prominent high value of body height and weight in the comparison with other data may be due to the secioeconomical and nutritional, environmental influence. 7. The growth accerlation phenomena was detectable.

절리 거칠기와 간극 변화에 따른 그라우트 유동과 주입압에 관한 수치해석적 연구

전기환(Ki-Hwan Jeon),류동우(Dong-Woo Ryu),김형목(Hyung-Mok Kim),박의섭(Eui-Seob Park),송재준(Jae-Jun Song) 한국암반공학회 2010 터널과지하공간 Vol.20 No.2

그라우팅 공법은 지하 내 구조물을 건설 시 유입되는 지하수를 억제하거나 암반의 강도를 증대시킬 목적으로 널리 이용되는 암반 개량공의 일종이다. 암반 내 불연속면을 따라 유동하는 그라우트의 유동 특성을 파악하는 것은 이러한 그라우팅 설계 및 그 효과를 예측하는데 필수적이다. 기존의 그라우트 유동 연구에서 그라우트 유동을 층류 유동으로 가정해 왔으나, 마이크로 스케일의 간극을 가지는 좁은 절리 틈새 내에서의 유체 유동은 절리 거칠기의 영향을 받아 유동의 속도 단면이 거칠기 부분에서 변하기 때문에 일반적인 층류유동으로 모사하는 데 한계가 있다. 따라서 본 연구에서는 거칠기를 가지는 절리 내의 그라우트 유동에 절리 거칠기와 간극이 미치는 영향을 수치해석을 이용하여 조사하였다. 수치해석을 위해 전산유체유동해석 코드인 FLUENT 코드를 이용하였으며 FLUENT 코드에서 제공하는 Herschel-Bulkely 모델과 VOF(volume of fluid) 모델을 적용하여 물과 공기로 채워진 좁은 절리 틈새 내의 그라우트 유동을 모사하였다. 모사된 결과를 그라우트 유동을 위해 제시된 분석해와 기존의 실험실 그라우트 주입 실험 결과와 비교하여 FLUENT 코드의 적합성을 검증하였다. JRC와 간극 변화에 따라 일정 그라우트 주입량 유지에 필요한 주입압을 계산함으로써 마이크로 스케일의 절리 틈새 내 그라우트 유동시 채널 벽면의 거칠기 및 채널 간극의 영향을 정량화하였다. Grouting technology is one of the ground improvement methods used in water controlling and reinforcement of rock mass in underground structure construction. It is necessarily required to find out the characteristics of grout flow through discontinuities in a rock mass for an adequate grout design and performance assessment. Laminar flow is not always applicable in simulating a grout flow in a rock mass, since the rock joints usually have apertures at a micro-scale and the flow through these joints is affected by the joint roughness and the velocity profile of the flow changes partially near the roughness. Thus, the influence of joint roughness and aperture on the grout flow in a rough rock joint was numerically investigated in this study. The commercial computational fluid dynamics code, FLUENT, was applied for this purpose. The computed results by embedded Herschel-Bulkley model and VOF (volume of fluid) model, which are applicable to simulate grout flow in a narrow rock joint that is filled with air and water, were well compared with that of analytical results and previously published laboratory test for the verification. The injection pressure required to keep constant injection rate of grout was calculated in a variety of Joint Roughness Coefficient (JRC) and aperture conditions, and the effect of joint roughness and aperture on grout flow were quantified.

성인 속립성 결핵의 임상적 고찰

배덕수 ( Duck Soo Bae ),김종국 ( Jong Kook Kim ),김정암 ( Jung Am Kim ),전기환 ( Ki Hwan Jeon ),이주홍 ( Jue Hong Lee ),신우원 ( Woo Won Shine ),박순규 ( Soon Kew Park ),신영기 ( Young Kee Shin ) 대한결핵 및 호흡기학회 1984 Tuberculosis and Respiratory Diseases Vol.31 No.3

갑상선기능항진증의 면역 globulin 치에 관한 연구

유방현 ( Bang Hyun Liu ),김동수 ( Dong Soo Kim ),이경순 ( Kyung Soon Lee ),전기환 ( Ki Hwan Jeon ) 대한내과학회 1981 대한내과학회지 Vol.24 No.1

형상기억잔재(形狀記憶殘在) 연구(硏究)

전기환 건국대학교 조형연구소 2003 조형연구 Vol.11 No.-

At a old common saying, the minds which is surprised from seeing a turtle, surprise one who see a lid of cauldron. We can see that memories which has formed from shocking situations before, can influence any other things notwithstand with his will. Also, almost of people may have somethings which brings them a fears. Also, all the people may have something to fear about regardless their experiences. It means that the fears which brings them aren't relate with their experiences. The objects of fear are very variety which contains from animals imagined to unreal things. This paper proposes that those things which inspired from previous men's memoried shocks, influence any common action especially their attentive actions.

신 Aminoglycoside계 항생물질 Sagamicin의 내과영역에 있어서의 임상응용

배덕수,전기환,이영일,김연호,이주홍,신영기 대한감염학회 1984 감염 Vol.16 No.2

1) Sagamicin was chiefly applied to 19 cases of various infections diseases with or without underlying disease. 2) KW-1062 was administered intramuscularly, 60∼240mg daily for 4∼14days and the clinical effectiveness rate of KW-1062 was 74% in all cases and 78% in patients with urinary tract infection, and in patients with respiratory tract infection respectively. 3) Side effects were encountered in 3 cases (16%). Tinnitus was observed in 2 cases and transient dizziness in 1 case. No noticeable side reactions were observed in renal and hepatic function. 4) With regard to combination therapy, further investigations are required.