Predicting Temperature Loads in Open Car Parks of Piloti Structures Exposed to Real Fire Accidents

신진원,이한솔,민정기,최인락,최성모 한국강구조학회 2022 International Journal of Steel Structures Vol.22 No.6

This paper presents a study to numerically predict fi re loads for open car parks of piloti structures subjected to real fi re accidents involving car fi res and to provide a basis for performance-based fi re-resistant design of buildings. Numerical models to simulate the fi re in open car parks were built using a computational fl uid dynamics (CFD) code, fi re dynamic simulator (FDS). A validation study for the CFD modeling methodology of the fi re model was performed using previous experimental and analytical studies. Fire scenarios for open car parks subjected to fi re and the corresponding simulation matrix were established based on the validated numerical model in consideration of design parameters including the fi re source, arrangement of vehicles, structural planning, and material characteristics. Results for the considered fi re scenarios in the open car parks were provided using the parametric numerical results, with an emphasis on distributions of temperatures and fi re durations.

신문사설에 나타난 헤지 표현의 번역 문제

신진원 새한영어영문학회 2012 새한영어영문학회 학술발표회 논문집 Vol.2012 No.10

Prognostic Factors in Stage IIB Non-Small Cell Lung Cancer according to the 8th Edition of TNM Staging System

신진원,조덕곤,최시영,박재길,이교영,문영규 대한흉부외과학회 2019 Journal of Chest Surgery (J Chest Surg) Vol.52 No.3

Background: The purposes of this study were to evaluate the appropriateness of the stage migration of stage IIA non-small cell lung cancer (NSCLC) in the seventh edition of the tumor, node, and metastasis classification for lung cancer to stage IIB lung cancer in the eighth edition, and to identify prognostic factors in patients with eighth-edition stage IIB disease. Methods: Patients with eighth-edition stage IIB disease were subclassified into those with seventh-edition stage IIA disease and those with seventh-edition stage IIB disease, and their recurrence-free survival and disease-specific survival rates were compared. Risk factors for recurrence after curative resection were identified in all included patients. Results: Of 122 patients with eighth-edition stage IIB NSCLC, 101 (82.8%) had seventh-edition stage IIA disease and 21 (17.2%) had seventh- edition stage IIB disease. Nonsignificant differences were observed in the 5-year recurrence-free survival rate and the 5-year disease-specific survival rate between the patients with seventh-edition stage IIA disease and those with seventh-edition stage IIB disease. Visceral pleural invasion was a significant risk factor for recurrence in patients with eighth-edition stage IIB NSCLC. Conclusion: The stage migration from seventh-edition stage IIA NSCLC to eighth-edition stage IIB NSCLC was appropriate in terms of oncological outcomes. Visceral pleural invasion was the only prognostic factor in patients with eighth-edition stage IIB NSCLC.

Long-Term Survival after Wide Resection of Malignant Fibrous Histiocytoma of the Chest Wall

신진원,장용진,조덕곤,최시영 대한흉부외과학회 2019 Journal of Chest Surgery (J Chest Surg) Vol.52 No.1

Primary malignant fibrous histiocytoma (MFH) of the chest wall is extremely rare and is characterized by aggressive features, including a high incidence of local recurrence and distant metastasis. Surgical resection of the chest wall is the primary modality of management. However, surgical treatment is not generally recommended in patients with evidence of distant metastasis. Here, we present a case of chest wall MFH along with a schwannoma mimicking distant metastasis in the right upper arm. The patient was treated by radical en bloc resection and survived for more than 9 years without recurrence.

코로나19로 확대된 반중·반미·반일 정서와 담화특징 연구: 신문사설 헤드라인을 중심으로

신진원 담화·인지언어학회 2022 담화와 인지 Vol.29 No.2

This study aims to explore discursive characteristics of the representation of negative sentiments toward China, the United States, and Japan in Korean newspaper headlines published during the first year of the COVID-19 pandemic outbreak. To this end, it (i) investigates the criteria for and types of evaluative words adopted to express negative sentiments toward the three nations, (ii) explores differences in rhetorical characteristics that reveal the editorial positions favored by the news agencies, and (iii) discusses how the political ideologies of the news agencies are affecting the types of negative attitudes they express toward these three nations. Based on the appraisal theory proposed by Martin and White (2005), this paper analyzes editorial headlines from two major Korean daily newspapers, Chosun Ilbo and Hankyoreh, which have been chosen as respective representatives of conservative and progressive newspapers. The result of the analysis suggests that the ideological orientations of the newspapers tend to influence which nation becomes a target of negative evaluations and which strategy is adopted to reach these conclusions. Also, it shows that the intensity and frequency of these evaluations are reflective of the overall sentiments of our society.

신문 헤드라인에 재현된 해외입양인 표상에 대한 고찰: 사회적행위자표상 모형을 기반으로

신진원 담화·인지언어학회 2023 담화와 인지 Vol.30 No.2

The purpose of this study is to examine the correlation between the collective perspective of Korean society towards overseas adopted Koreans and the language choices used by journalists. The study also aims to explore how this perspective relates to the key issues identified in previous humanistic and sociological research on adopted Koreans. To achieve this goal, the paper analyzes the headlines of 11 Korean newspapers published over a period of two decades, using van Leeuwen’s discourse analysis model to bridge content and linguistic analysis at the text level. The findings of the study reveal that the discourse surrounding adopted Koreans involves multiple social actors including the adoptees themselves, their country of birth, their biological families, and other stakeholders. It also shows that Korean society collectively recognizes that the Korean government or society should take responsibility for the overseas adoptees. Furthermore, the research findings align with previous sociological studies on the overseas adoptees, as well as research exploring fictional portrayals of adoption in movies and novels. Overall, this study sheds light on how Korean society perceives and talks about the adopted Koreans, and how this perspective is linked to some major issues raised by the other research on the adoptees.

확장챔버를 적용한 방호터널 내부의 CFD 해석 기반 폭발압력 평가

신진원,방승기 한국공간구조학회 2023 한국공간구조학회지 Vol.23 No.1

This paper presents a computational fluid dynamics (CFD) analysis to investiagate the effect of expansion chamber on overpressure reduction in protective tunnels subjected to detonation of high explosives. A commercial CFD code, Viper::Blast, was used to model the blast waves in a protective tunnel with a length of 160 m, width of 8.9 m and height of 7.2 m. Blast scenarios and simulation matrix were establihsed in consideration of the design parameters of expansion chamber, including the chamber lengths of 6.1 m to 12.1 m, widths of 10.7 m to 97 m, length to width ratios of 0.0 to 5.0, heights of 8.0 m and 14.9 m, and ratios of chamber to tunnel width of 1.2 to 10.9 m. A charge weight of TNT of 1000 kg was used. The mesh sizes of the numerical model of the protective tunnel were determined based on a mesh convergence study. A parametric study based on the simulation matrix was performed using the proposed CFD tunnel model and the optimized shape of expansion chamber of the considered tunnel was then proposed based on the numerical results. Design recommendations for the use of expansion chamber in protective tunnel under blast loads to reduce the internal overpressures were finally provided.

중공의 문화혁명과 홍위병

신진원 건국대학교 1969 樂圓誌 Vol.4 No.1

고폭탄물의 근접폭발이 폭발압력과 충격량에 미치는 효과

신진원,김진규 한국방재학회 2016 한국방재학회논문집 Vol.16 No.6

The effects of near-field detonation of high explosives in free air are characterized by blast overpressure and impulses. The typical practice for blast resistant design of structures in the United States, United Kingdom and elsewhere involves the use of the US government-published document of UFC 3-340-02. The UFC 3-340-02 approach has been developed for far-field detonations based on a number of test results but not been validated for near-field detonations due to a lack of the test data. Further, the near-field effects including the rarefaction wave, afterburning and expanding detonation products, fireball have not been addressed in the existing design approaches including UFC 3-340-02. Numerical studies are therefore performed to examine the effect of near-field detonations on blast overpressure and impulse. Recommendations for determining blast loading in the near field are provided. 고폭탄물의 공중 근접폭발의 효과는 폭발압력 및 충격량에 의하여 특징지어진다. 미국, 영국 등 전세계적으로 구조물의 방폭설계에 대한 일반적인 연구는 미국방부 문서인 UFC 3-340-02를 사용하여 수행된다. UFC 3-340-02는 수많은 실험데이터에 근거하여 원거리 폭발을 대상을 개발되었지만 실험데이터의 부족으로 근접폭발에 대해서는 검증되지 않았다. 더욱이 저밀도파, 재연소, 팽창하는 폭발물, 파이어볼 등의 근접폭발효과가 UFC 3-340-02를 포함한 현재 방폭설계에서 반영되지 않았다. 따라서 폭발압력과 충격량에 대한 근접폭발효과를 알아보기 위하여 수치해석이 수행되었다. 근접거리에서의 폭발하중을 결정하기 위한 주요사항들을 기술하였다.

시각문법을 기반으로 한 담화 정체성 연구 : 한·중·일 대학 영어홈페이지 이미지 비교 사례연구

신진원 담화·인지언어학회 2019 담화·인지언어학회 학술대회 발표논문집 Vol.2019 No.11