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오민정,이아름 한독경상학회 2023 경상논총 Vol.41 No.1
The current economic structure is a linear one that follows a production, consumption, and disposal system. Since the sustainability of modern civilization is threatened, the introduction of a circular economy is a request of the times. The introduction of such an economic structure would help slow down the acceleration of the linear economy and change the linearity that leads to other production, not discarding, and a circular one after production and consumption. In a circular economy, the subject is the citizen and the voluntary participation of citizens is important. Reuse and new use of resources at the level of citizens can be practiced on a local basis as well. This is because resources are connected through citizens. In addition, citizens can create a new culture with circulation as the core with activities to participate in the circulation of resources. To create this new culture, members of a city must share and discover methods of resource circulation. Also, a “smart governance platform” where all members of a city can gather is needed. This paper explores the concept of Metavercircular LivingLab as a “smart person platform” that enables citizens’ participation in the circular economy to be accessible through open access to city information and connects city data and citizens’ activities. Citizens, subjects of the city and the economy, can engage in ecological and cultural activities with the Metavercircular LivingLab Platform. A smart circulation city can be achieved through this community cultural activity. The city of Berlin, which aims to be a circular city, has begun to move toward a smart city version with citizen participation in a circular economy as its core. Digital transformation is important in the movement. In particular, the use of a virtual reality space called the metaverse guides the transition efficiently and effectively. The Metavercircular LivingLab Platform is an innovation platform for transforming behavior towards a circular economy city. Social innovation is achieved by recognizing what citizens themselves are aiming for and what they need, and putting it into action. This practice is possible through cooperative governance for a smart circular city Smart Person Platform Metavercircular LivingLab. A new version of the smart city can be achieved with the Smart Person Platform Metavercircular LivingLab, which leads critical reflection on the human desire for technology and fosters a co-creative citizen participation type circulation culture. This can ultimately approach a smart circular city. 자원의 순환이 아닌 생산과 소비 그리고 폐기로 이어지는 구조는 현대 문명의 지속가능성을 위협하고 있다. 이에 자원 폐기의 가속성을 늦추고, 생산과 소비 다음으로 폐기가 아닌 또 다른 자원 순환으로 이어지는 선형을 원형으로 전환하는 순환 도시의 도입은 시대적 요청이다. 그리고 자원 순환에서 그 주체는 시민이며, 시민의 자발적 참여는 중요하다. 시민들의 차원에서 이뤄지는 자원의 재사용 및 새사용은 로컬을 기반으로 실행할 수 있고, 자원과 자원은 시민들을 통해 연결될 수 있기 때문이다. 또한, 시민은 자원의 순환에 참여하는 활동을 통해 ‘순환’을 핵심으로 하는 새로운 문화를 만들어 나갈 수 있다. 이 새로운 문화 창조를 위해서는 도시의 구성원이 자원 순환의 방법을 공유하고 발굴하는 작업을 행해야 한다. 그리고 이 행위를 위해서는 도시의 모든 구성원이 모일 수 있는 ‘스마트 거버넌스 플랫폼’이 필요하다. 따라서 본 논문에서는 자원 순환을 위한 시민의 참여를 도시 정보를 오픈하여 접근할 수 있게 하고, 생활에 밀착한 도시 문제를 발굴하는 등, 도시 데이터와 시민의 활동을 연결하는 ‘스마트 인(人) 플랫폼’으로서 ‘메타버서큘러 리빙랩’ 개념을 창안하여 제시하고자 한다. 이는 ‘메타버서큘러 리빙랩 플랫폼’을 통해 도시의 주체, 자원 순환의 주체인 시민이 생태문화적 활동을 할 수 있고, 이 공동체 문화 활동을 통해 스마트 순환 도시를 이룰 수 있기 때문이다. 순환 도시를 지향하는 독일 베를린시는 이 시민참여형 자원 순환을 핵심으로 하는 스마트시티 판(板)의 이동을 시작했다. 판의 이동에서 디지털 전환은 중요하다. 특히 메타버스라고 하는 새로운 가상현실 공간의 활용은 판의 전환을 효율적이고 효과적으로 인도한다. 그리고 다양한 행위자들이 자율성을 가지고 참여하는 협력 활동인 거버넌스 플랫폼, ‘메타버서큘러 리빙랩’은 순환 도시로의 전환 행동을 위한 혁신 플랫폼이다. 사회의 혁신은 시민 자신이 지향하는 것과 필요한 것을 인식하고, 이를 행위로 실천하는 것을 통해 이뤄진다. 그리고 이 실천은 스마트 순환 도시를 위한 협력형 거버넌스, ‘스마트 인(人) 플랫폼 메타버서큘러 리빙랩’을 통해 가능하다. 따라서 기술을 향한 인간의 욕망에 대해 비판적 성찰을 이끌고, 문화적 인간 존재로서 공동 창조적인 시민 참여형 순환 문화를 다지는 ‘스마트 인(人) 플랫폼 메타버서큘러 리빙랩’을 통해 스마트시티의 새로운 판의 전환을 실현할 수 있고, 스마트 순환 도시에 다가갈 수 있게 될 것이다.
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오민정,황윤용 한국유통과학회 2015 유통과학연구 Vol.13 No.5
Purpose – This research aims to understand the different behaviors of consumers according to cognitive age. Specifically, this research is focused on pro-social behavior. Pro-social behavior is defined as behavior benefiting others, rather than behavior benefiting one’s self. It often entails individual risk or cost, such as when giving resources to others, waiting in line, asking for or paying a fair price, or risking one’s life in battle. Therefore, we sought to understand consumer psychology and cognitive age as a reflection of inner psychology. People frequently perceive themselves as younger or older than their chronological ages. This self-perceived or cognitive age is a subjective age perception independent of actual chronological age. The discrepancy degree between chronological and cognitive age represents how much individuals perceive themselves as younger than they are. This study examines the gap in donation intention based on cognitive age. In order to investigate cognitive age, composed of four sub-categories (feel-age, look-age, do-age, and interest-age), this study explores the differential donation intention based on cognitive age, which determines the relationship between the young age and old age. Research design, data, and methodology – Data research was conducted by gathering 216 survey samples, excluding those with unreliable answers. Data coding and cleaning were used and SPSS 19.0 software for the data analysis. The respondents were categorized into two types, younger cognitive ages and older cognitive ages. Additionally, we analyzed the moderating variables. In particular, we used cognitive age degree and congruency level (cognitive age low vs. cognitive age high) x (congruency close vs. congruency distant) between - subjects design. First, regression was done to verify the difference between chronological age and cognitive age. Second, at-test was done to verify the difference of cognitive age level in donations. Third, ANOVA (analysis of variance) was done to verify the difference between cognitive age and congruency in donations. Last, ANOVA was done to verify the difference between cognitive age and moral judgments in donations. Result – The results show most respondents perceive themselves as younger than their chronological ages. In particular, older respondents feel they are younger than their actual age. Moreover, the result of the comparison between low degree and high degree groups of cognitive age, show high donations at the higher degree of cognitive age groups. In addition, the closer the distance to the beneficiaries, the higher the donation in high degree cognitive age groups. The higher moral judgment groups also show relatively high contributions in lower degree cognitive age groups. Conclusions – Donations belong to the category of pro-social behavior reflecting an individual’s psychological state. Therefore, it is important in understanding cognitive age. This study implies that it is necessary to take into account both cognitive age and chronological age when segmenting donors. Moreover, this study confirmed that there are different factors affecting the motives behind donations. Thus, it may be utilized to create differential donation strategies.
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Shadowgraph 가시화 기법을 활용한 정전분무액적의 크기 측정
오민정,김성현,이명화,Oh, Min-Jeong,Kim, Sung-Hyun,Lee, Myong-Hwa 한국입자에어로졸학회 2017 Particle and Aerosol Research Vol.13 No.4
Electrostatic precipitator is widely used to remove particulate matters in indoor air and industrial flue gas due to low pressure drop and high collection efficiency. However, it has a low collection efficiency for the submicrometer sized particles. Electrospraying is a potential method to increase the particle charging efficiency, which results in increased collection efficiency. Although particle charging efficiency is highly dependent upon droplet size, the effective measuring method of the droplets is still uncertain. Tap water was electrosprayed in this study, and the images of electrosprayed droplets were taken with a high speed camera coupled with several visualization methods in order to measure the droplets size. The droplet size distribution was determined by an image processing with an image-J program. As a result, a droplet measured by a laser visualization, had a half size of that by a Xenon light visualization. In addition, the experimentally measured droplet sizes were a good agreement with the predicted values suggested by $Fern{\acute{a}}ndez$ de la Mora and Loscertales(1994).
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