습식-펄스방전 복합시스템의 황산화물 및 질소산화물 제거성능 특성

박현진,이환영,박문례,노학재,유정구,한방우,홍기정,Park, Hyunjin,Lee, Whanyoung,Park, Munlye,Noh, Hakjae,You, Junggu,Han, Bangwoo,Hong, Keejung 한국입자에어로졸학회 2019 Particle and Aerosol Research Vol.15 No.1

Current desulfurization and denitrification technologies have reached a considerable level in terms of reduction efficiency. However, when compared with the simultaneous reduction technology, the individual reduction technologies have issues such as economic disadvantages due to the difficulty to scale-up apparatus, secondary pollution from wastewater/waste during the treatment process, requirement of large facilities for post-treatment, and increased installation costs. Therefore, it is necessary to enable practical application of simultaneous SOx and NOx treatment technologies to remove two or more contaminants in one process. The present study analyzes a technology capable of maintaining simultaneous treatment of SOx and NOx even at low temperatures due to the electrochemically generated strong oxidation of the wet-pulse complex system. This system also reduces unreacted residual gas and secondary products through the wet scrubbing process. It addresses common problems of the existing fuel gas treatment methods such as SDR, SCR, and activated carbon adsorption (i.e., low treatment efficiency, expensive maintenance cost, large installation area, and energy loss). Experiments were performed with varying variables such as pulse voltage, reaction temperature, chemicals and additives ratios, liquid/gas ratio, structure of the aeration cleaning nozzle, and gas inlet concentration. The performance of individual and complex processes using the wet-pulse discharge reaction were analyzed and compared.

건축담론 - 슬기로운 건축사 생활_건축사사무소를 경영하는 리더의 역할

박현진,Park, Hyunjin 대한건축사협회 2021 建築士 Vol.626 No.-

회원작품 - 강남구웰에이징센터

박현진,Park, Hyunjin 대한건축사협회 2023 建築士 Vol.653 No.-

한국인의 성별에 따른 혈중 요산 농도와 대사증후군 위험 혈액 지표 간의 관련성

박현진,류혜숙,조광현,고재영,윤미은,Park, Hyunjin,Ryu, Hyesook,Jho, Kwanghyun,Ko, Jaeyoung,Yun, Mieun 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.5

It has been reported that the increased uric acid level is associated with metabolic syndrome risk factors in both male and female. However, there has not been enough studies to investigate gender differences of this association in Korea. To evaluate relation between serum uric acids and metabolic syndrome markers, anthropometric and biochemical analyses data was obtained from National Health Examination 2005 and 5,523 (M=3,097; F=2,426) data was analyzed. Results by quartile of serum uric acid levels in females showed that increased serum uric acid level was associated with elevated levels of total-. LDL-cholesterol, and triglycerides, whereas association between serum uric acid and total cholesterol levels was not observed in male subjects. In both female and male, higher quartile of serum uric acid level were linked with lower levels of HDL-cholesterol. In regression analysis, association of serum uric acid levels with fasting glucose levels was significant in female subjects only. In conclusion, higher serum uric acid levels were associated with metabolic syndrome indices, however gender differences were existed for total cholesterol.

포아송 클러스터 강우 생성 모형을 이용한 도시 홍수 해석

박현진,양정석,한재문,김동균,Park, Hyunjin,Yang, Jungsuk,Han, Jaemoon,Kim, Dongkyun 한국수자원학회 2015 한국수자원학회논문집 Vol.48 No.9

This study examined the applicability of MBLRP (Modified Bartlett-Lewis Rectangular Pulse) rainfall generation model for an urban flood simulation which is a type of Poisson cluster rainfall generation model. This study constructed XP-SWMM model for Namgajwa area of Hongjecheon basin, which is a two-dimensional pipe network-surface flood simulation program and computed a flood discharge and a flooded area with input data of synthetic rainfall time series of 200 years that were generated by the MBLRP model. This study compared the data of flood with synthetic rainfall and flood with corresponding values which were based on design rainfall. The results showed that the flooded area computed with MBLRP model was somewhat smaller than the corresponding values on the basis of the design. A degree of underestimation was from 8% (5 year) to 34% (200 year) and the degree of underestimation increased as a return period increased. This study is meaningful in that it proposes methodology that enables quantifiability of uncertain variables which are related to a flooding through Monte Carlo analysis of urban flooding simulation and applicability and limitations thereof. 본 연구에서는 포아송 클러스터 강우생성모형의 일종인 Modified Bartlett-Lewis Rectangular Pulse (MBLRP) 강우생성 모형의 도시홍수 모의에 있어 적용성을 살펴보았다. 이를 위하여 서울 홍제천 유역의 남가좌 배수분구에 대하여 2차원 관망-지표면 홍수 모의프로그램인 XP-SWMM 모형을 구축하고, MBLRP 모형을 사용하여 생성된 200년 길이의 가상 강우 시계열을 입력 강우자료로 하여 홍수량, 침수면적을 산정하고 이를 설계 강우에 근거하여 산출된 값들과 비교하였다. 비교 결과, MBLRP 모형을 사용하여 산출된 홍수량 및 침수면적은 설계 강우에 근거한 값들과 비교하였을 때 다소 작은 값을 가졌고, 과소산 정의 정도는 8% (5년빈도)에서 34% (200년빈도)의 값을 가졌으며, 설계 강우의 재현기간에 따라 과소 산정의 정도는 증가하였다. 본 연구의 결과는 도시유역에서의 홍수 모의에 있어 몬테카를로 분석을 통한 침수관련 변수들의 불확실성을 정량적으로 표현할 수 있는 방법론을 제시하고 그 적용성 및 한계점을 제시했다는 점에서 그 의미를 찾을 수 있을 것이다.

한국군 미래 무기체계 이종 데이터링크 중계표준 적용 방안

박현진(HyunJin Park),박영규(YoungKyu Park),박경미(KyungMi Park),박헌제(HeonJei Park),김성우(SungWoo Kim),이정웅(JungWoong Lee) 한국정보과학회 2015 한국정보과학회 학술발표논문집 Vol.2015 No.12

EGR 밸브의 밸브 및 시트 형상에 따른 유량 특성 분석

박현진(Hyunjin Park) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5

17세기말「울릉도쟁계」관련 조 · 일 교환공문(사본)의 증명력(Ⅱ)

박현진(Park Hyunjin) 대한국제법학회 2018 國際法學會論叢 Vol.63 No.4

컨설턴트 팀 기반 초등영어 수업컨설팅모형 개발 및 적용 효과

박현진(Park, Hyunjin),안경자(Ahn, Kyungja) 한국초등영어교육학회 2019 초등영어교육 Vol.25 No.1

This study aims to develop a model for consultant team-based elementary English consultations (CTBCs). It also investigates how client teachers and consultant teachers were affected when this model was applied. The participants include four consultant teachers and three client teachers. The data include interviews with each participant and the consultant-researcher’s consultation logs. The data were analyzed qualitatively using content analysis. The model of CTBCs was developed in the preparation, implementation, and evaluation stages. A consultant team consists of two consultants with one working at the same school as a client teacher and the other at a different school. Four consultants were assigned as three teams in pairs. The effects of CTBCs on the participants are as follows: (1) The innovation of the consulting process maximized its impact on lesson improvement, specifically through helping lesson planning and analyzing videotaped rehearsal lessons. (2) The clients were provided with diverse and refined consultations due to the consultants’ collaboration. (3) CTBCs helped improve clients’ lessons by identifying some problems in English lessons, making discussions, and solving the problems. (4) The model of CTBCs promoted the consultants’ confidence and expertise. This study provides teachers, teacher educators, and policy makers with important implications regarding English lesson consultations and English teacher education.

베트남인 한국어 학습자의 한국어 운율 분석 - 중급 수준의 학문 목적 학습자를 대상으로 -

박현진 ( Park Hyunjin ) 한국어문학국제학술포럼 2019 Journal of Korean Culture Vol.44 No.-

이 연구는 베트남인 한국어 학습자의 운율을 분석하고 교육적 제언을 하는 데에 목적이 있다. 한국인과 베트남인 한국어 학습자의 운율 차이를 살펴보기 위해 베트남인 학문 목적 한국어 학습자 12명이 낭독한 음성 자료를 토대로 강세구 억양과 억양구 경계 성조를 중심으로 운율을 살펴보았다. Praat를 통해 베트남인의 음높이와 음절 길이를 분석한 결과 1) 베트남인의 음높이가 한국인보다 전체적으로 높았다. 그러나 문장 첫 어절의 강세구 억양이나 문미 억양구 경계 성조의 억양은 한국인 발화와 통계적으로 유의미한 차이를 보이지 않았다. 2) 음절 길이는 베트남인의 음절 발화 길이가 한국인의 2배에 가까웠다. 특히 문장 첫 음절의 길이가 길었다. 이러한 차이는 베트남어의 성조가 한국어 발음에 영향을 미쳤기 때문으로 보인다. 음절 단위로 끊어 읽는 베트남어의 운율적 특징이 한국어 발화를 부자연스럽게 만들 수 있다는 것이다. 따라서 이 연구에서는 개별 음절 사이의 음높이 차이가 크게 나지 않도록 하며, 문장의 마지막 억양이 갑자기 하향곡선을 그리지 않도록 교육할 필요가 있다고 보았다. 특히 베트남인이 조사를 발음할 때 조사마다 음절 길이 차이가 커지지 않으려면 의미 단위로 인식하게 할 것을 제언했다. 이 연구는 베트남인 학부생 중 중급 수준 학습자의 운율 요소에만 집중한 연구이다. 학문 목적 학습자를 대상으로 한 만큼, 그들이 가지는 발음에 대한 요구를 충족시키는 데에 기초 연구로서의 역할을 할 수 있을 것이다. This study analyzes prosody errors in Vietnamese learners of Korean and suggests pedagogical strategies for the teaching of prosody. To investigate the differences in the prosody between Vietnamese learners of Korean and Korean native speakers the boundary tone between accentual phrases and intonational phrases of 12 Vietnamese students of Korean for academic purposes reciting given material was analyzed. The following results were obtained through the analysis conducted with Praat of the syllable duration and pitch. It was possible to observe, firstly that the pitch was higher in Vietnamese speakers thank Korean speakers; however there was no statistical difference between the accentual phrase of the first word of a sentence and also at the boundary tone of the accentual phrase at the end of a sentence. Secondly, the duration of the syllable of Vietnamese speakers of Korean was almost double the length of the syllable of Korean native speakers. The first syllable of a sentence was particularly long. We explained this as an influence of the tones of the Vietnamese language. Moreover, the prosodic characteristic of the Vietnamese language to stop the reading at the syllable level can make its speakers sound unnatural in speaking Korean. Therefore this study suggests introducing a pronunciation education aimed to reduce the pitch difference between words and correct the suddenly descending accent at the end of the sentence. Also, we suggest focusing on chunks of meaning to avoid the pronunciation of an excessive long syllable in the case of particles. This study focused only on the prosodic elements of the pronunciation of Vietnamese intermediate level learners of Korean, and it is a first step in satisfying the request for a pedagogy of a correct pronunciation by these students.