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직접분사식 단기통 디젤엔진에서 다단분사에 따른 연소 및 배기특성
허정윤(Jeong Yun Heo),차준표(Junepyo Cha),윤승현(Seung Hyun Yoon),이창식(Chang Sik Lee) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
The purpose of this work is an experimental investigation combustion and emission characteristics in DI diesel engine applied multiple injection strategy. In order to analyze the effect of multiple injection, single-cylinder DI diesel engine was operated under electrically controlled fuel injection system. In this study, multiple injections were injected as two types of multiple injection that were defined as the pilot injection and the post injection. The pilot injection and the post injection was injected 30% of total fuel injections mass quantity. The results of multiple injection were compared to those of single injection and each multiple injection types. To investigate for a low speed engine and middle range load, the experimental conditions were conducted under a fixed engine speed and constant stoichiometric ratio condition. The combustion results show that each multiple injections decreases peak heat release rates but increases indicated mean effective pressure. The emissions results that pilot injection increases emissions but post injection reduces NOx, HC and CO emissions.
허정윤(Jung Yoon HEO) 창조론오픈포럼 2019 창조론오픈포럼 Vol.13 No.2
The Origin of Life has been the main issue of the controversies between creationists and evolutionists. While creationists depend on the literal interpretation of the Bible, evolutionists have the tendency distorting related scientific data. In this article, the author tries to criticize these unfair issues.
허정윤(Jung Yoon HEO) 창조론오픈포럼 2019 창조론오픈포럼 Vol.13 No.1
The Genesis says God created the Universe and all the creatures in six ‘YOMs’(days). Some Christians insist headstrongly that the age of the earth is only about 6,000years on the basis of the Genesis. They interpret that ‘YOM’ is literally a day of 24 hours. Can it be believable? Also the Genesis says God created ‘RAQIA’(firmament) in the water and divided the water over and below it. And God lift up ‘RAQIA’ in the sky and made Heaven with it. Also can it be believable? This article is to provide answers to the two unbelievable questions in the view of modern perspective.
<과학과 신의 전쟁>에 나타난 ‘과학적 유신론’ 바로 읽기
허정윤(Jung Yoon HEO) 창조론오픈포럼 2017 창조론오픈포럼 Vol.11 No.2
This article is to read and understand Scientific Theism in The War Between God and Science written by the author. Scientific Theism explains the existence of God scientifically, criticizing and opposing against Scientific Atheism. Scientific Theism starts from the sum of universal energy which the first law of thermodynamics proves existing eternally and indestructibly, which Parmenides called the One, meaning the first cause of everything, which Laotzu described as the first Nature in his Taoism of thingness and nothingness, and which big bang theory says Singularity. The most important suggestion of Scientific Theism is that God has already been as the first Life in the sum of Universal energy, and God created physical law for our universe by big bang, and living law for life in the planet by dividing His life. At last Scientific Atheism has collapsed by Scientific Theism.
화장품 패키지디자인과 뉴트로 트렌드의 콜라보레이션 미적 특성 연구
허정윤 ( Jung-Yoon Heo ),주영주 ( Young-Joo Joo ) 한국미용예술경영학회 2021 미용예술경영연구 Vol.15 No.2
본 연구는 기능적 가치보다는 감성적 가치를 중요시하는 소비자들의 패턴을 통해 뉴트로 디자인과 콜라보레이션을 진행한 화장품 브랜드의 패키지디자인을 분석하여 뉴트로와 화장품 브랜드의 콜라보레이션 사례를 바탕으로 미적 특성을 도출해 화장품 브랜드 가치를 제고하고, 뷰티마케팅 활동의 시너지 효과를 마련하는데 도움이 되고자 한다. 연구방법과 범위로는 화장품 패키지디자인, 콜라보레이션, 뉴트로 트렌드 분야의 선행연구 및 국내·외 주요 인터넷 사이트의 정보, 전문 서적 등 문헌 연구 및 사례조사를 바탕으로 개념과 특성을 이론적으로 고찰하였고, 콜라보레이션 유형과 그에 따른 미적 특성을 도출하기 위한 기반을 제시하기 위하여 주체적 기준으로 유형을 분류하였다. 국내 화장품 브랜드 중 15년 이상 된 기업을 대상으로 2018년~2021년까지 뉴트로 트렌드에 맞춰 콜라보레이션을 진행한 표본을 한정하였으며, 신뢰성을 높이기 위해 뷰티업계 10년 이상 종사하고 있는 전문가 5명을 선정하여 부적합한 디자인을 제외한 사례를 최종 분석 자료로 활용하였다. 뉴트로 트렌드 콜라보레이션에 미적 특성을 분석한 결과 미적특성 6가지 중 3가지가 공통적으로 도출됐다. 첫째, 패키지디자인의 색채는 단순성을 나타내고 있다. 둘째, 패키지디자인의 형태는 브랜드의 개성을 강조하는 상징성이 나타났다. 셋째, 과거의 캐릭터나 프레임을 그대로 차용하는 모티브로 재구성하여 재현성을 나타냈다. 이와 같이 뉴트로 디자인과 콜라보레이션을 진행하면 소비자들에게 기대 이상의 만족감과 감동을 주고, 소비자들의 구매 결정에 많은 영향을 주며 브랜드의 가치가 상승하여 브랜드의 충성도가 높아지는 긍정적인 역할을 하게 된다. This study aims to understand the aesthetic characteristics of cosmetics brands that have collaborated with NewTro designs through patterns of consumers who value emotional values rather than functional values. The aim is also to enhance cosmetic brand values by deriving aesthetic characteristics and creating a synergy effect in beauty marketing activities. As a research method, the concepts and characteristics were theoretically considered based on literature studies and case studies, such as cosmetic package design, collaboration, and prior research on NewTro trends, information on major domestic and international Internet sites, and specialized books. To present the basis for deriving the collaboration type and its aesthetic characteristics, the types were classified by subjective criteria. The samples were limited from 2018 to 2021 and included domestic cosmetic brands. Looking at the features common to the NewTro collaboration trends, first, the color of the package design represents simplicity; second, the package design’s symbolism emphasizes the individuality of the brand; and third, reproducibility was demonstrated through reconstructing it as a motif that borrowed the character or frame of the past. In this way, the collaboration with NewTro designs provides consumers a sense of satisfaction and impression beyond expectations, greatly influences consumers’ purchasing decisions, and plays a positive role in increasing the brand’s value by increasing the brand’s loyalty.