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- 저자 : 정재욱(Jeong, Jae-Wook) (검색결과 186 건)
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지역난방 공동주택의 에너지 성능 평가를 위한 공동주택 단지별 에너지사용량 Database 구축
정재욱,홍태훈,지창윤,이승복,Jeong, Jaewook,Hong, Taehoon,Ji, Changyoon,Leigh, Seung-Bok 한국건설관리학회 2015 한국건설관리학회 논문집 Vol.16 No.5
건축물의 에너지성능을 평가하기 위해서는 운영단계의 신뢰도 높은 에너지 사용량 정보를 파악하는 것이 중요하며, 이를 위해서는 객관적 분류체계에 따라 도출된 일정규모이상의 모집단을 갖는 database의 구축이 필요하다. 본 연구에서는 지역난방 공동주택의 에너지 성능을 종합적으로 평가할 수 있는 에너지원을 반영하고, 서울 및 수도권 도시에 대한 폭넓은 조사로 충분한 수의 모집단을 확보하며, 다양한 Data source를 이용한 상호검증과 통계적 기법을 통해 1차 에너지사용량과 $CO_2$ 배출량을 포함한 325개 단지의 database를 구축하였다. 추가적으로 향후 관련 연구의 발전을 위해 국토교통부에서 구축한 공동주택정보관리시스템의 개선 필요사항을 제안하였다. In order to evaluate the energy performance of buildings, it is important to determine reliable information of energy utilization during operating phase. It is also required to establish the database which have the amounts of population deducted by objective filtering and analysis. In this study, all energy sources were applied to evaluate synthetically the energy performance of Multi-Family Housings(MFH) using district heating and the amounts of population were obtained sufficiently through data searching in Seoul and neighbor cities. Finally the database of source energy utilization and $CO_2$ emission in 325 MFH complexes were established through cross validation between data sources and statistical analysis. Additionally, further ideas have been proposed to improve existing MFH Management Information System.
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정재욱,김종혁,김형남,김태우,Jeong, Jae-Wook,Kim, Jong-Hyuck,Kim, Hyeong-Nam,Kim, Tai-Woo 한국사물인터넷학회 2016 한국사물인터넷학회 논문지 Vol.2 No.3
These days, a lot of research has been in progress for a home automation system. In this study, the intelligent home automation system is developed for automatically controlling the temperature and illumination of the house. The difference with other research can be adjusted individually according to your taste and lifestyle of each individual, it is that it provides a more comfortable living environment through the accumulated lifestyle database. In addition, proposed system can use the mobile app to easily control the lighting devices, a electric fans, and heaters. Moreover the mobile app of proposed system offers function that allows you to search for residential environments statistics on their lifestyle. 요즘 홈오토메이션 시스템에 대한 연구가 많이 진행되고 있다. 본 연구에서는 지능형 홈오토메이션 시스템을 설계하여 집안의 온도와 조도를 자동적으로 조절하는 시스템을 개발한다. 다른 연구와의 다른 점은 각 개인의 생활 습관과 취향에 따라 개별적으로 조절할 수 있으며, 축적된 생활 습관 데이터베이스를 통해 보다 더 안락한 주거 환경을 제공한다는 점이다. 또한, 모바일 앱을 통해 가정 내의 조명과 선풍기, 히터 등을 손쉽게 제어할 수 있으며, 자신의 생활 습관에 대한 주거 환경 통계 자료를 검색할 수 있도록 하는 지능형 홈오토메이션 시스템을 제안한다.
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정재욱,서상호,이은형,김종득,홍수현,김원일,Jeong, Jae-Ook,Seo, Sang-Ho,Lee, Eun-Hyung,Kim, Jong-Deuk,Hong, Soo-Hyun,Kim, Won-Il 대한한방내과학회 2005 大韓韓方內科學會誌 Vol.26 No.4
Object : This study aims to assess the efficacy of Sopungsoongiwon(疏風順氣元) in constipated stroke patients and to find out the hepatotoxicity and nephrotoxicity of Sopungsoongiwon. Methods : Subjects were 111 patients who were admitted to tile hospital. The informations about the constipation and other factors were taken through medical records as follows : time until defecation, amount of Sopungsoongiwon until defecation, amount of stool, AST, ALT, BUN, Creatinine. We get the means and standard deviation from the various factors obtained from medical records. Results : 1. The mean time until defecation after taking Sopungsoongiwon was $20.919{\pm}17.885$ hours. 2. The dose of Sopungsoongiwon until defecation was $3.126{\pm}1.624$ packs. 3. The mean amount of stool was $135.360{\pm}63.288g$. 4. AST, ALT, BUN, Creatinine was maintained in normal range after taking sopungsoongiwon(p<0.0001).
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염산티트라싸이클린의 적용시간에 따른 다공성 임프란트 표면 미세구조의 변화
정재욱,허익,권영혁,박준봉,정종혁,Jeong, Jae-Wook,Herr, Yeek,Kwon, Young-Hyuk,Park, Joon-Bong,Chung, Jong-Hyuk 대한치주과학회 2006 Journal of Periodontal & Implant Science Vol.36 No.2
Mechanical and chemical methods are the two ways to treat the implant surfaces. By using mechanical method, it is difficult to eliminate bacteria and by-products from the rough implant surface and it can also cause the structural change to the implant surface. Therefore, chemical method is widely used in order to preserve and detoxicate the implant surface more effectively. The purpose of this study is to evaluate the effect of tetracylcline-hydrochloride(TC-HCI) on the change of implant surface microstructure according to application time. Implants with pure titanium machined surface, SLA surface and porous surface were used in this study. Implant surface was rubbed with sponge soaked in 50mg/ml TC-HCI solution for $\frac{1}{2}$ min., 1 min., $1\frac{1}{2}$ min., 2 min., and $2\frac{1}{2}$ min. respectively in the test group and with no treatment in the control group. Then, specimens were processed for scanning electron microscopic observation. 1. Both test and control group showed a few shallow grooves and ridges in pure titanium machined surface implants. There were not significant differences between two groups. 2. In the SLA surfaces, the control specimen showed that the macro roughness was achieved by large-grit sandblasting. Subsequently, the acid-etching process created the micro roughness, which thus was superimposed on the macro roughness. Irrespective of the application time of 50mg/ml TC-HCI solution, in general, test specimens were similar to control. 3. In the porous surfaces, the control specimen showed spherical particles of titanium alloy and its surface have a few shallow ridges. The roughness of surfaces conditioned with tetracycline-HCI was lessened and seen crater-like irregular surfaces relative to the application time. In conclusion, pure titanium machined surfaces and SLA surfaces weren't changed irrespective of the application time of tetracycline-HCI solution. But the porous surfaces conditioned with tetracycline-HCI solution began to be slightly changed from 2 min. This results are expected to be applied to the regenerative procedures for peri-implantitis treatment.
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정재욱,하정곤,함대기,김민규,Jung, Jae-Wook,Ha, Jeong-Gon,Hahm, Daegi,Kim, Min Kyu 한국지진공학회 2021 한국지진공학회논문집 Vol.25 No.3
After the manual shutdown of the Wolseong nuclear power plant due to an earthquake in Gyeongju in 2016, anxiety about the earthquake safety of nuclear power plants has become a major social issue. The shear wall structure used as a major structural element in nuclear power plants is widely used as a major structural member because of its high resistance to horizontal loads such as earthquakes. However, due to the complexity of the structure, it is challenging to predict the dynamic characteristics of the structure. In this study, a three-story shear wall structure is fabricated, and the in-structure response characteristics of the shear wall structure are evaluated through shaking table tests. The test is performed using the Gyeongju earthquake that occurred in 2016, and the response characteristics due to the domestic earthquake are evaluated.
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정재욱(Jeong Jaewook),정재욱(Jeong Jaewook) 한국디지털디자인학회 2011 디지털디자인학연구 Vol.11 No.3
역사교육에는 과학적 사고라고 일컬어지는 논리적인 비판 분석 능력과 함께 감정이입 직관 통찰 상상적 추론 등의 상상적 이해 능력이 요구된다. 이를 위해서는 암기식 주입교육에서 벗어나 역사의 사건들을 통해 현실의 삶을 바르게 이해하고 바람직한 미래를 건설하도록 하는 역사조망 능력을 배양하는 교육이 필요하다. 암기식 주입교육의 대안으로'추체험적 역사교육'을 전략적으로 선택하고 이의 효과적인 교육방법으로'시뮬레이션 게임'의 활용을 제안하였다. 시뮬레이션 게임의 의미와 범주를'정보의 재구성'을 기준으로 정의하고 효과적인 에듀테인먼트 콘텐츠에 대한 조건을 정리하였다. 사례연구를 통한 제안의 타당성을 검토하기 위해 4년간의 고입선발고사와 시판 문제집 실전모의고사 사회과목 역사분야 문제의 유형과 빈도를 분석하였고 (주)KOEI가 발매한 역사시뮬레이션 게임'태합입지전(太閤立志傳)V'의 게임구조와 비교하였다. 몰입환경 속에서 게임유저에게 반복적인 동작을 수행하게 함으로써 역사적 사건이나 지역명 인물 등을 자연스럽게 암기하게 하는 게임의 속성은 단답식 주입교육의 대안으로서의 효과가 크다는 것과 게임의 전체적 맥락 속에서 그 시대에 살고 있는 듯한 몰입환경을 제공하고 나아가 게임유저가 주관적으로 그 시대에 대한 이해와 평가를 한다는 부분은 추체험적 역사학습을 위한 교구(校具)로서 시뮬레이션 역사게임이 매우 적절한 것이라는 것을 확인 할 수 있었다. Both abilities of imaginative understanding of empathy intuition insight inference etc. and scientific thinking of logical criticism and analysis ability are required in history education. To cultivate the two abilities the history education needs to get out of the indoctrination and rote learning and to aim for the proper understanding of real life through historical events and the correct viewing of the history to build a desirable future. In this paper'the re-enactment in history education,' as an alternative of indoctrination instruction by rote learning was chosen strategically and the use of'simulation game,' as an effective teaching method was proposed. Meaning and scope of simulation game were defined by the criterion of'information restructuring' and the effective conditions of edutainment contents were organized. With a purpose to investigate the proposal feasibility through the case study the question types and their frequencies contained in ten sets of high school entrance examination were analyzed and the results were compared with the game structure of'Taiko-Risshiden V' a history-simulation game released by KOEI company.
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