• 전기학회논문지
• /
• 제61권3호
• /
• pp.407-412
• /
• 2012

This study investigated the process of thermal-induced growth of micro-crack developed at the crystalline solar cell using EL image, determined the output characteristic according to the pattern of micro-crack, analyzed the I-V characteristic according to the pattern of crack growth, and predicted the output value using simulation. The purpose of this study was, therefore, to investigate the process of thermal-induced growth of micro-crack developed at the early stage of PV module completion using EL image, to analyze the resulting decrement of output and predict the output value using simulation. It was observed that the crack grew increasingly by the thermal condition, and accordingly the lowering of output was accelerated. The output values of crack patterns with various direction were predicted using simulation, resulting in close I-V curve with only around 4% of error rate. It is considered that it is possible to predict the electric characteristic of solar cell module using only pattern of micro-crack occurred at solar cell based on our results.

• 한국화재소방학회논문지
• /
• 제28권3호
• /
• pp.43-48
• /
• 2014

본 연구는 구획된 공간에 인화성 단일 물질을 채우고 착화된 화염의 전파 속도, 방사 범위, 확산 패턴 및 연소 완료 시간 등을 해석하는 데 있다. 화염의 전파 속도는 등유가 0.2 s로 가장 빠르고, 알코올이 82.1 s로 가장 늦었다. 화염이 착화된 후 화염이 가장 빠르게 최성기에 도달한 것은 시너이었고 19.0 s가 걸렸다. 그리고 가장 늦은 것은 알코올로 138.6 s로 측정되었다. 인화성 액체 200 ml가 연소 완료되는 시간은 시너가 79.9 s로 가장 짧았고, 가솔린 135 s, 등유 170 s, 경유 231.4 s, 알코올 337.0 s 등으로 측정되었다. 그리고 인화성 액체가 연소될 때 화염의 하단 부분은 층류 패턴이 지배하였고, 상단 부분은 난류 패턴을 나타냈다. 대두유의 실험에서 착화시킨 화원을 제거하면 화염은 자연 소화되어 연소가 진행되지 않았고, 불완전 연소에 따른 흰색의 연기가 발생하는 것을 알 수 있었다.

• 대한가정학회지
• /
• 제34권4호
• /
• pp.249-263
• /
• 1996

According to the design method for constructing the G gori(the traditional Korean jacket)collar, there are differences in form after its completion. In the construction design of the midsection of the gusset as in that of the basic G gori, not only was the positioning of the two sides of the collar not smooth, but also, when the collar strip was attached, there would be an imbalance on one side or the other so that it was difficult to achieve symetry. Therefore in this project, by applying the pattern design of the gusset midsection to that of the collar midsection, not only did attaching the collar and the collar strip create a visual effect by equalizing the lengths of the tow sides, but the construction was also easy. This method of construction introduces the three-dimensional aspect of the human form in its conic, spherical and cylindrical aspects, so that, through schematizing the scientific character of Korea's clothing, its appropriateness is verified. As a matter of fact, since th-ere in no standardization of pattern whether for educational use or for mass-produced clothing, so that even the patterns used in computer-assisted design are executed according to the designer's personal skill, the reality is that after completion of construction the quality has not been uniform. For this schematization, inverse calculation of measurements pertaining to the calculation formula and of teaching materials has been referenced. In particular, the partial requlation of the calculation formula pertaining to the basic pattern construction, the method of making the collar midsection, and the construction method of the extreme and mean ratio adjustment can be adjusted for all measurements, thereby providing the establishment of a design criterion and the possibility of the standardization of construction methods. The production method for the pattern design is as follows: 1) The conic angle for the G gori's girth, length and neck width is fixed at 70 degrees. 2) The radius of the cone is B/2. 3) The calculation formula is B/4 + 1.5cm 4) The armhole formula is B/4, the same as in the basic method. 5) The width formula is B/10. 6) The ratio of the collar junction(width of collar + width of collar strip)to the gusset length is 5:8. 7) The length of the side seam is a length intersecting the armhole line and the conic radius (B/2), that is an arc that exceeds the length of the G gori's midsection; the component ratio of this length to the collar junction is accordingly 13:5. 8) The curve frame length of the back midsection is an arc exceeding B/4(the armhole line). 9) The ratio of the sleeve opening calculation formula to the armhole length is 8:5, forming an arc with the midsection length.

• 정신신체의학
• /
• 제29권2호
• /
• pp.176-183
• /
• 2021

연구목적 응급실 기반 자살시도자 사후관리사업에 등록된 자살시도자의 인구학적 요인, 자살시도 패턴 및 정신건강의학과 병력 및 관리가 사후관리 프로그램 완수에 어떠한 영향을 끼치는지 알아보고자 하였다. 방 법 2018년 6월 1일부터 2021년 5월 31일까지 중앙대학교병원 응급실을 방문한 자살시도 환자 중 사례관리에 동의한 661명을 연구대상으로 하였다. 대상자는 응급실 퇴원 후 8주간의 사후관리 서비스 프로그램에 등록하여 관리를 받았다. 인구학적 요인, 자살시도 패턴, 정신건강의학과 병력 및 관리에 해당하는 요인들을 독립변인으로, 사후관리사업 프로그램의 완수 여부를 종속변인으로 두고, 위계적 로지스틱 회귀 분석을 시행하였다. 결 과 자살시도 패턴이 사후관리 사업 완수에 가장 큰 영향을 미치고, 인구학적 요인, 정신건강의학과 병력 및 관리 순으로 사후관리 사업 완료 여부에 영향을 미치는 것으로 나타났다. 자살시도자 사후관리사업 프로그램 완수자는 미완수자에 비해, 향후 자살계획을 가진 경우가 유의하게 많았고, 자살시도의 진정성이 강했으며, 과거자살시도력 또한 유의하게 높았다. 결 론 대상자들이 사후관리사업 프로그램을 완수하고 지역사회 서비스로 연계되도록 하기 위하여, 자살시도 패턴, 인구학적 요인, 정신건강의학과 병력에 대한 고려를 바탕으로 한 개별화된 접근이 필요하다.

• 복식문화연구
• /
• 제21권3호
• /
• pp.431-439
• /
• 2013

This study aims to give practical help to the pattern making of baggy pants produced in large quantity from industrial fields. The functionality of crotch part is a key element to decide wear sensation and comfort of pants as having direct influence on movements of legs in pattern designing of baggy pants. The industrial patterns of baggy pants in various styles that are released currently in Korea were collected and a comparative analysis was conducted on them for the thesis. First, samples of men baggy pants were collected from three different brands and compared the completion sizes. Secondly, it studied the most appropriate patterns as quantifying the appropriateness of movements through fitting tests. Finally, the study verified the differences of visual images by surveys of professional groups. The conclusions obtained from this research are as follows. In terms of aesthetic attribute among the three brands, A baggy pants, which had a small size tolerance, were the most appropriate. Meanwhile concerning the appropriateness of movement, B baggy pants were shown to be the most appropriate. This reveals explicitly the problem of aesthetic attribute and functionality, which are always in conflict during the pattern design. It is necessary to develop patterns and establish a measurement system that may satisfy both of these factors.

• KIEAE Journal
• /
• 제11권5호
• /
• pp.91-96
• /
• 2011

This study is to analysis the characteristics of electric power consumption of apartments complex in Korea. This study shows the pattern of electric power consumption and correlation of each apartment complex's completion year monthly and timely. With this result, we are able to predict the demand pattern of electricity in a house and make the schedule by demand pattern. It is expected this data is used as reference of electric consumption of Daejeon area to operate the simulation tools to predict the building energy. The yearly data of 10 apartment complexes of 2010 are analyzed. The results of this study are followed. The averaged amount of electricity consumption in winter is higher as summer because of the high capacity of heating equipment. All of the house has electric base load from 0.26kWh to 0.5kWh. The average of the electricity consumption of month is shown as 310.2kWh. A week is seperated, as 4 part such as week, weekend, Saturday and Sunday. During week, the average of timely electricity consumption is shown as 0.426kWh. The Saturday consumption is 0.437kWh. The Sunday is 0.445kWh. The peak electricity consumption in summer and winter is measured. The peak consumption on summer season is 1.389kW on 22th August 64% higher than winter season 0.887kW on 3rd January.

• 한국전기전자재료학회:학술대회논문집
• /
• 한국전기전자재료학회 2003년도 하계학술대회 논문집 Vol.4 No.1
• /
• pp.529-532
• /
• 2003

Quench behavior of resistive superconducting fault current limiters (SFCLs) with various pattern shapes was investigated. The pattern shapes employed were meander, bi-spiral, and spiral shapes of identical line width, gap and margin. SFCLs were fabricated from YBCO thin films grown on two-inch diameter $Al_2O_3$ substrates under the same conditions. Resistance rise of current limiting elements was low at a spiral shape before the whole quench completion, which may act as a disadvantage for simultaneous quench in serial connection between current limiting elements, but the temperature tended to have similar values at higher voltages. On the other hand, bi-spiral shape was severe at insulation level between current limiting lines. When these aspects were considered, we concluded that a meander shape was appropriate to design for a resistive SFCL based on thin films except the concentration of electric field at edge areas of strip lines.

• 대한가정학회지
• /
• 제35권4호
• /
• pp.95-110
• /
• 1997

According to the design method for constructing the crotch angle of traditional Korean men's trousers there are differences in from after its completion. Since there is no standardization of visual & aesthetic pattern for the construction method which is stablished by the calculation formular of waist girth hip girth pantleg end and upper outer leg length it is difficult to be used for educational use or for teaching materials. Therefore the purpose of this project according to five models in proportion to the physical standard of Korea in ages from 24 to 29 years old is to establish a design criterion and the standardization of construction methods by introduction the pant construction method of the crotch angle by converting the sitting posture length to seaming crotch center point both knees width in the Korean way of sitting. The production method for the pattern design is as follow: (1) The waist girth formular is {{{{ { w} over {4 } }}}}+{{{{ {w} over {10 } }}}}(2) The hip girth formular is {{{{ {H } over { 4} }}}}+{{{{ {H } over {5 } }}}}(3) The pantleg end formular is {{{{ {H } over {4 } }}}}(4) A crotch angle is fixed at 70 degress.(5) The ratio of outer leg length to leg width is 5:8 (6) The component ratio of the upper outer leg length to the pant length in 5:8(7) The ratio of the division point of front / right inner leg length and left inner leg width to upper outer leg length is 5 : 8

• 한국정보통신학회:학술대회논문집
• /
• 한국정보통신학회 2015년도 춘계학술대회
• /
• pp.859-862
• /
• 2015

최근 패션사업은 고부가가치 실현을 첫째 목표로 사업전략을 세워 추진을 하고 있다. 이 중 으뜸인 신사복의 완성은 오직 한사람의 신체치수를 통해 패턴을 제작하여 최적, 최상의 옷을 제작함에 있다. 본 논문에서는 업체와 고객의 니즈를 만족시키기 위해 신사복 제작 과정과 시간, 비용절감에 큰 영향을 끼치는 패턴제작을 자동화하는 시스템을 제안하였다. 결과적으로 고객의 시간과 비용을 아끼며 최적의 신사복을 제공함으로써 고객의 니즈와 맞춤 정장의 수요를 증가시키며, 맞춤 신사복 업체의 프렌차이즈화가 더욱 쉽게 이루어 질 수 있다.

• 대한가정학회지
• /
• 제42권10호
• /
• pp.63-77
• /
• 2004

The overuse of Internet has caused the problem of 'Internet addiction' in the life of college students. The purpose of this study was to develop a program of time management education for preventing Internet addiction among college students. The program consists of sessions. The first session is an introduction to the program which includes a pre-test about Internet addiction. The second session is designed to allow them to check their pattern of Internet use and time use by themselves. The third session is designed to set their tie goals and make long-range plans. The fourth session is designed to make short-range plans and look for alternative activities. The final session is the completion of the program. This study has some significance in developing a time management program for Internet addiction. and will be utilized in practical education.