전기 방열기가 국화재배온실의 난방에 미치는 영향

서원명 ( Won Myung Suh ),임재운 ( Jae Woon Leem ),김영주 ( Young Ju Kim ),민영봉 ( Young Bong Min ),김현태 ( Hyeon Tae Kim ),허무룡 ( Moo Ryong Huh ),윤용철 ( Yong Cheol Yoon ) 경상대학교 농업생명과학연구원(구 경상대학교 농업자원이용연구소) 2010 농업생명과학연구 Vol.44 No.4

경상대학교 교내에 설치되어 있는 1-2W형 온실을 대상으로 전기 방열기를 이용하여 국화 재배온실의 난방효과를 검토한 결과는 다음과 같다. 실험기간동안 최고, 평균 및 최저 외기온은 각각 -3.8~21.3℃, -5.2~16.1℃ 및 -12.5~14.4℃ 정도의 범위로 나타났으며, 온실 내외의 평균상대습도 각각 43.5~98.6% 및 35.2~100%로 나타났다. 12월 중순부터 2월 상순까지 최저 외기온은 대략 -5.0~-10.0℃ 전후로 나타나 진주기상대의 최근 자료와 비교하면 상대적으로 최저기온이 낮게 나타나는 경향이 있었다. 야간의 경우, 방열기 직하부의 엽온이 방열기 중간 지점에서 측정한 엽온 보다 크게 2~3℃정도 높게 나타나거나 또는 미미하지만 약간 높게 나타나는 경향이 있었다. 근권부의 경우, 직하부나 중간 지점에서의 온도 차이는 거의 없는 것으로 나타났고, 근권부의 최고온도와 기타 최고 온도의 발생 시점을 보면, 약 2시간정도의 지체현상이 있음을 알 수 있었다. 그리고 실험기간동안 난방에 소요된 총 소비전력량, 공급에너지 및 총 난방비는 각각 2,800kWh, 2,408,000kcal 및 112,000won 정도였다. 화석연료인 경유로 난방할 경우, 총 난방비는 224,500won 정도였다. 방열기를 이용하여 난방할 경우, 난방비를 약 50% 정도 줄일 수 있을 것으로 판단되었다. An analysis in heating effects of an electric radiator located in a 1-2W type chrysanthemum (3 cultivars) cultivation greenhouse installed in Gyeongsang National University drew the following conclusions. During the experiment period, the highest, average, and the lowest outside temperatures were in the ranges of -3.8~21.3℃, -5.2~16.1℃ and -12.5~14.4℃, respectively, and the average relative humidity inside and outside the greenhouses were in the ranges of 43.5~98.6% and 35.2~100%, respectively. From mid-December to early February, the lowest outside temperature was recorded as approximately -5.0~-10.0℃, which showed that it tended to be relatively lower than the temperatures recorded at the Jinju Meteorological Observatory. During the night, the leaf temperature measured directly under the radiator tended to be higher by 2~3℃ than that those at the middle point of the radiator, or higher by anegligible amount. In the case of root zone temperature, it was found that there was almost no difference between temperatures of the part directly under and the middle point, and the time when the highest temperature of root zone and other highest temperatures took place showed that there was about a 2-hour delay phenomenon. The total electricity consumption, energy supply and total heating cost during the experiment period were 2,800 kWh, 2,408,000 kcal and 112,000 won, respectively. When diesel, a kind of fossil fuel, was used as heating oil, the total heating cost was around 224,500 won. It was estimated that the total heating cost could be reduced by around 50% if a radiator was used.

문화공연 청중의 문화적 취향에 관한 연구

서문식(Suh, Mun-Shik),이샛별(Lee, Sae-Beul),엄성원(Eum, Seong-Won) 한국문화융합학회 2020 문화와 융합 Vol.42 No.4

The purpose of this study is to examine how cultural performance audiences’ cultural tastes are differentiated and how they appear, and to present a cultural taste scale. As a scholarly predecessor, Bourdieu’s cultural capitalism, which argued for the existence of a significant relationship between cultural taste and class, highlighted the necessity of a new perspective on cultural tastes and their classification criteria that would be applicable to modern-day Korean society. In order to facilitate a concrete discussion on that subject, an audience that watched a cultural performance within the last 6 months was surveyed, and an interview with the audience (cultural experts and the general audience) was conducted. A questionnaire was developed, revised, and then used. The SPSS 23.0 statistical package program was used to conduct reliability and validity analyses, including a frequency analysis. The study’s demographic and viewing characteristics were as follows. There were 88 women (57.1%) and 66 men (42.9%). Respondents’ ages ranged from 20 to 29 years old, with 66 people (42.9%) in their twenties, and from 30 to 39 years old, with 39 people (25.3%) in their thirties. The respondents with the most advanced educational background were 131 students (85.1%) who had either graduated from or were attending university at the time of the study. With regard to average monthly income, there were 44 people (28.6%) who made less than 3~5 million won. For occupation, the highest result was 58 students (37.7%). Meanwhile, with regard to marital status, there were 102 single people (66.2%) and 52 married people (33.8%). For favorite genre, the highest result was 39 people (25.3%) who reported plays as their favorite genre. Moreover, companions had the highest response rate, with 69 lovers (44.8%). With regard to the ticket collection method, there were 134 people (87.0%), most of whom paid a fee. Finally, visit frequency was the highest among 82 people (53.2%) who visited more than 6 times. The cultural tastes examined in this study were: 1) palatable, 2) sensitive, 3) nostalgic, 4) fusion/complexity, 5) essential, 6) pleasure, 7) educational, and 8) popular. Thus, cultural preference was found to be composed of these eight elements. On the basis of these results, this study suggested a cultural taste scale that is applicable to modern-day Korean society. The study also indicated theoretical and practical implications for the field of culture and arts management as well as directions for further research. 이 연구는 문화공연 청중의 문화적 취향은 어떻게 분화(구성)될 수 있는지를 탐색적으로 살펴보는 데에 목적이 있다. 이를 위한 선행으로 문화적 취향과 계급 간의 유의미한 관계를 주장한 Bourdieu의 문화 자본론을 논의하며, 오늘날 새로운 관점에서 문화적 취향 분류 기준이 필요함을 제안하였다. 최근 6개월 이내에 문화공연을 관람한 청중을 대상으로 설문 조사를 진행하였으며, 이는 문화적 취향과 분류에 관한 논의들이 매우 부족하여, 선행연구 및 사전 조사(인터뷰)를 진행하여 수정 및 개발된 설문 문항을 사용하였다. 그런 다음, SPSS 23.0 통계패키지프로그램을 활용하여 분석을 진행하였다. 이 연구에서 조사된 문화공연 청중의 문화적 취향은 1)기호성 취향, 2)감수성 취향, 3)향수성 취향, 4)융·복합성 취향, 5)본질성 취향, 6)쾌락성 취향, 7)교육성 취향, 8)대중성 취향의 8가지 요인으로 구성될 수 있음을 알 수 있었다. 이를 바탕으로, 다음과 같은 시사점을 제안하였다. 오늘날, 문화공연에 관한 이론적 및 실무적 업계에서는 추상적인 만족도 조사보다는 관객 성향, 공연 취향 등 구체적인 조사를 통한 공연제작과 기획이 필요하다. 감정을 공유하고, 감정을 전이하며, 스토리에 공감할 수 있는 공연 개발과 관람 환경 조성이 필요하며, 문화공연 서비스를 제공하는 예술가나 행정가의 역할이 예술성이나 상품성에, 그리고 수익성에 편향되지 말아야 할 것이다. 또한, 현대사회를 살아가고 있는 사람들에게 지친 마음과 고갈된 감정을 치유하기 위한 공연 개발이 필요하다. 공연 업계에서는 급변하는 콘텐츠의 특성을 이해하고, 장르 간 융·복합, 기술과 융·복합 공연 개발 노력이 필요하다. 그러나 많은 것들이 융·복합되고 창작문화공연들이 증가한다고 할지라도, 과하지 않은, 기본기에 충실한, 작가의 의도가 왜곡되지 않은, 원작과 크게 변형되지 않은 공연 개발이 필요하다. 문화라는 정형적인 틀과 관점에서 벗어나 예술가를 포함한 매개자의 노력과 참신한 아이디어, 표현력, 일상의 재미와 즐거움, 색다른 경험을 제공하는 공연이 필요하다. 문화공연은 그 특성상 ‘문화’라는 요소의 이해를 필요토록 하기에 학습과 기량에 도움을 주는 교육적 콘텐츠 개발과 공연에 관한 정보를 적극적으로 홍보하고 마케팅을 해야 하며, 전문적인 작품해설, 공연 및 배우의 특징 설명, 공연 관련 자료, 배우와 관객의 소통 시간 등을 제공하여, 수동적 관람이 아니라 적극적이며 양방향의 공연문화로 자리 잡을 수 있도록 환경을 만들어야 할 것이다. 상품적으로 장르적으로 문화적으로 접근이 쉬운 공연이 제작이 필요할 것이다.

Angiolymphoid hyperplasia with eosinophilia associated with arteriovenous malformation

Seong Min Kang,Woo Jin Lee,Myoung Shin Kim,Chong Hyun Won,Sung Eun Chang,Ho Seok Suh1,Mi Woo Lee,Jee Ho Choi,Kee Chan Moon 대한피부과학회 2009 대한피부과학회 학술발표대회집 Vol.61 No.1

Analysis of acne-related judicial precedents from 1997 to 2018 in South Korea

( Ji Hoon Yang ),( Soo Ick Cho ),( Su Hwan Shin ),( Won Lee ),( So Yoon Kim ),( Dae Hun Suh ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.2

Background: Medicolegal disputes are increasing in practical medicine. Acne is a common problem but is usually related to cosmetic problems such as acne scars. Medications or procedures related to acne could lead to medical malpractice. Objectives: To analyze medical litigation associated with acne or acne scar in South Korea. Methods: Acne-related judgements were searched using the Supreme Court of Korea’s Written Judgment Management System based on the keywords “acne” or “acne scar.” Results: Eleven cases were selected as litigated cases of acne or acne scar. Eight cases (72.7%) were related to acne scar and three (27.3%) were related to acne. Treatment modalities such as peeling (n = 6), laser treatment (n = 3), photodynamic therapy (n = 1), and antibiotic (n = 1) resulted in lawsuit. Claimed sequelae of the treatment were hyperpigmentation (n = 5), scar worsening (n = 5), erythema (n = 3), skin bumps (n = 1), and liver transplant (n = 1). Eight cases (72.7%) were awarded to the plaintiff, and the others were dismissed. The average awarded amount was 16,801,324± 24,452,486 (mean±standard deviation) Korean Won. Conclusion: Various treatments for acne or acne scar can cause medical disputes. Unnecessary litigation could be prevented if simple measures such as history taking, choosing proper procedure, and adequate management after the procedure along with sufficient informed consent were performed.

온수배관을 이용한 온실의 난방성능

윤용철(Yong Cheol Yoon),신익수(Yik Soo Shin),김현태(Hyeon Tae Kim),배승범(Seoung Beom Bae),최진식(Jin Sik Choi),서원명(Won Myung Suh) (사)한국생물환경조절학회 2012 생물환경조절학회지 Vol.21 No.2

본 연구는 온실의 난방 에너지 절감을 목적으로 온실 내부에 알루미늄 온수배관을 설치하여 난방효과에 대한 기초자료를 구축하고자 수행되었다. 그 연구결과를 요약하면 다음과 같다. 전체 실험을 포함하여 온실내의 높이별 온도편차는 4.0~7.0℃ 정도의 범위로서 그 차이가 크게 나타났다. 팬코일유니트(FCU)를 작동시킨 경우가 작동시키지 않은 경우에 비해 유출입수의 온도차가 3.3℃ 정도 크고, 소비전력량은 36.2~40.1% 정도 증가하였으며, 시간당 방열량은 44.6~52.0% 정도 증가하는 것으로 나타났다. 실험기간동안 순환유량은 0.48~0.49L · s<SUP>?1</SUP> 정도의 범위에 있었고, 평균유속은 1.53~1.56m · s<SUP>?1</SUP> 정도였다. 유출입수의 평균 온도차는 6.24~11.50℃이었다. 최저 외기온 ?14.0~?0.6℃ 범위에서 설정온도별 방열량은 135,930~307,150㎉ 정도의 범위로서 시간당 9,610~19,630㎉ · h<SUP>?1</SUP> 정도의 범위에 있었다. 이것은 최대난방부하의 약 23~53% 정도의 난방에너지를 공급할 수 있을 것으로 나타났다. 전체 방열량과 소비전력량은 각각 2,548,306㎉ 및 3,075.7㎾h이다. 화석연료인 경유로 난방할 경우, 소요되는 경유의 총 소비량은 281.6L 정도이고 비용은 321,000won인 것으로 나타났다. 농가용 전력요금을 적용하면 전력사용에 대한 총비용은 110,730won 정도로서 경유 소비 비용의 33.5% 정도로 나타났다. 실험구의 온도가 대조구보다 약 8.3~14.6℃ 정도 높게 나타났다. This research was conducted to obtain basic data with regard to the heating performance that would be produced by installing an aluminum hot water pipe inside the greenhouse with the goal of reducing the heating energy in greenhouse. The research results are summarized as follows. The degree of difference in relation to the temperature by height within the greenhouse during the entire experiment was significant - within the range of 4.0~7.0℃. The temperature difference between incoming and outgoing water was about 3.3℃ greater when FCU was activated compared to when it was not activated. Meanwhile, the amount of energy consumed increased about 36.2~40.1%. The amount of pyrexia per hour also increased by 44.6~52.0%. During the experiment period, circulated flux was within the range of 0.48~0.49 L · s<SUP>?1</SUP> while average fluid speed was 1.53~1.56 m · s<SUP>?1</SUP>. The average temperature difference between incoming and outgoing water was 6.24~11.50℃. The amount of heating value by each set temperature within the minimum outdoor temperature range of ?14.0~?0.6℃ was 135,930~307,150 ㎉, and the range was within the 9,610~19,630 ㎉ · h<SUP>?1</SUP> per hour. This demonstrated that about 23~53% heating energy of the maximum heating load could be supplied. Total radiating value and amount of energy consumed were 2,548,306 ㎉ and 3,075.7 ㎾h, respectively. When heating takes place using oil, which is a fossil fuel, the total amount of light oil consumed was 281.6 L while the cost was 321,000 won. When the electricity cost for farms is applied, the total cost was about 110,730 won, which is about 33.5% of the cost required compared to oil consumption. The temperature at in the experiment area was about 8.3~14.6℃ higher compared to that of the control area.

Optimal Formation of UAV Swarm for TDOA-Based Passive Target Tracking

Suh Ui-Suk,Han Seul-Ki,Ra Won-Sang 대한전기학회 2022 Journal of Electrical Engineering & Technology Vol.17 No.1

An analytic solution to the optimal formation problem of an unmanned aerial vehicle (UAV) swarm is newly proposed for maximizing the perfomrance of passive target tracking. Most previous techniques could not handle this problem effi - ciently because they have had diffi culties in defi ning the performance index of a nonlinear target tracking fi lter in closed form. To overcome this limitation, the passive target tracking problem is investigated within the framework of the linear non-conservative robust Kalman fi lter (NCRKF) theory. Accommodating the merit of the suggested linear target tracking fi lter structure, its performance measure can be analytically expressed in terms of the UAV formation as well as the sensor accuracy. Therefore, it is easy to determine the optimal UAV formation by maximizing the target tracking performance in the worst case. In addition, our approach is very practical because it considers the estimation error characteristics of the actual passive target tracking fi lter and the communication range among UAVs in determining the optimal UAV formation. Through the simulations, the eff ectiveness of the proposed scheme is validated.

Type and Everyday Scenery 1.

Suh, Kyung Won 한국콘텐츠학회 2019 ICCC International Digital Design Invitation Exhib Vol.2019 No.12

Effectiveness of stent placement for palliative treatment in malignant colorectal obstruction and predictive factors for stent occlusion

Suh, Jung Pil,Kim, Sang Woo,Cho, Yu Kyung,Park, Jae Myung,Lee, In Seok,Choi, Myung-Gyu,Chung, In-Sik,Kim, Hyung Jin,Kang, Won Kyung,Oh, Seong Taek Springer-Verlag 2010 Surgical endoscopy Vol.24 No.2

True Color

Suh, Kyung Won 한국콘텐츠학회 2015 ICCC International Digital Design Invitation Exhib Vol.2015 No.7

Type & Every Day Landscape

Suh, Kyung Won 한국콘텐츠학회 2018 ICCC International Digital Design Invitation Exhib Vol.2018 No.5