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장하나(Ha-Na Jang) 한국열환경공학회 2020 한국열환경공학회 학술대회지 Vol.2020 No.춘계
최근, 환경오염시설 통합관리에 관한 법률(이하:통합법)이 입법화되고 이에 따른 통합 환경관리제도가 2017년부터 폐기물처리시설에 선 적용됨에 따라, 기존 생활폐기물 소각로 및 신규 폐기물 에너지화 시설에 새로운 인허가 절차가 적용되게 된다. 이러한 통합환경관리제도의 핵심인 BAT(최적가용기법)이란 배출시설 및 방지시설의 설계·설치·운영 및 관리에 관한 환경관리기법으로 오염물질 등의 배출을 에너지 효율면에서 가장 효과적으로 줄일 수 있고 기술적·경제적으로 적용가능한 관리기법을 말하고 있다. 그러나, 국내의 기존 생활폐기물 소각로의 경우 대부분의 시설이 15년 이상 노후된 시설이 많아 이에 대한 에너지 효율이 매우 낮은 실정이다. 또한, 이와 같은 소각로의 경우 투입폐기물의 성상이 매우 불균질하여 이를 고온에서 연소 시 입자상 물질 등 오염물질 생성메커니즘이 명확히 규명되기가 어려워 제어시설 측면에서 경제성을 확보하기가 어렵다. 따라서 본 연구에서는 국내 생활폐기물 소각로와 고형연료 발전시설의 공정구성 및 에너지 효율을 각각 비교하고, 이에 따른 오염물질의 배출특성을 조사하여 이에 대한 적절한 제어방안을 제시하고자 한다.
유비쿼터스 및 모바일 컴퓨팅 : 센서기반 FPMIPv6 네트워크에서 멀티캐스팅 기반의 도메인간 이동성관리 기법
장하나 ( Ha Na Jang ),정종필 ( Jong Pil Jeong ) 한국정보처리학회 2013 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.2 No.1
IP-based Wireless Sensor Networks (IP-WSNs) are gaining importance for their broad range of applications in health-care, home automation, environmental monitoring, industrial control, vehicle telematics and agricultural monitoring. In all these applications, mobility in the sensor network with special attention to energy efficiency is a major issue to be addressed. Because of the energy inefficiency of networks-based mobility management protocols can be supported in IP-WSN. In this paper we propose a network based mobility supported IP-WSN protocol called Multicasting -based inter-Domain Mobility Management Scheme in Sensor-based Fast Proxy Mobile IPv6 Networks (mSFP). Based on [8, 20]. We present its network architecture and evaluate its performance by considering the signaling and mobility cost. Our analysis shows that the proposed scheme reduces the signaling cost, total cost, and mobility cost. With respect to the number of IP-WSN nodes, the proposed scheme reduces the signaling cost by 7% and the total cost by 3%. With respect to the number of hops, the proposed scheme reduces the signaling cost by 6.9%, the total cost by 2.5%, and the mobility cost by 1.5%. With respect to the number of IP-WSN number of IP-WSN nodes, the proposed scheme reduces the mobility cost by 1.6%.
무용 수업에 참여한 초등학생들의 감성지능과 자기효능감 및 또래 유능성과의 관계
장하나(Ha Na Jang),신혜숙(Hae Sook Shin) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.50
This study used the total 223 copies of data as the final analysis by using the significance sampling method after selecting elementary schoolers participating in dance classes as the sampling group. For the data possible to be analyzed from the collected data, multiple regression analysis and the correlation analysis were conducted by using SPSS 18.0 and the results are like below. First, significant correlation is shown in the correlation analysis for the emotional intelligence, self-efficacy and peer competence of the elementary schoolers participated in dance classes. Second, in the result of multiple regression analysis of self-efficacy in accordance with the subordinate factors of emotional intelligence, it has 35% influence on self-efficacy. Especially, “self-awareness” factor, “self-regulation” factor and “synchronization” factor among the subordinate factors of emotional intelligence are shown to have significant relations with self-efficacy. Third, in the result of multiple regression analysis of peer competence in accordance with the subordinate factors of emotional intelligence, it has 47.1% influence on peer competence. Especially, “self-awareness” factor, “petty interpersonal” factor”, “self-regulation” factor and “synchronization” factor are shown to have significant relations with emotional intelligence. Fourth, self-efficacy is shown to have 45.6% influence on peer competence while “self-regulation” “judgment” “competence” “daecheoryeok ”factor among the subordinate factors is shown to have significant relation with peer competence. It is found that dance classes has influence on improving emotional intelligence, self-efficacy and peer competence of elementary schoolers whose egos start to be formed, which means that physical expression activities act as not only providing physical/emotional/social development and infinite imagination, but also improving social/emotional competence which can guarantee children`s happy lives. Thus in order to develop children`s healthy egos, dance classes through physical expression activities are mostly essential education for the growth and development in childhood. They should be formed to provide better educational effects as more studies on this should be conducted in the future.
Oxy-Combustion of Sludge Derived-fuel by Circulating Fluidized Bed Reactor
Ha-Na Jang(장하나),Seung-Ki Baek(백승기),Jin-Ho Sung(성진호),Sewon-Park(박세원),Hang-Seok Choi(최항석),Yong-Chil Seo(서용칠),Jeong-Hun Kim(김정훈),Seung-Jae Jung(정승재),Chang-Ho Oh(오창호),Jae-Yong Shim(심재용) 한국신재생에너지학회 2013 한국신재생에너지학회 학술대회논문집 Vol.2013 No.05
오피스텔의 실내공기환경 개선에 관한 연구 - 거주자의 의견과 요구사항을 중심으로 -
장하나,김진영,권오정,Jang, Ha-Na,Kim, Jin-Young,Kwon, Oh-Jung 한국주거학회 2007 한국주거학회 논문집 Vol.18 No.1
The purpose of this study was to suggest the idea for IAQ improvement of the of officetel which is used by fully or partly residential space. The data was collected from 110 residents by questionnaire survey and an experienced architect by personal interview. The results showed that the IAQ improvement of the officetel with residential usage and residence was urgent. The educational program about maintenance of IAQ for residents was essentially needed. To recommend eco-friendly materials in process of construction was important so as to take precaution against 'sick building syndrome'. It was also necessary to improve on the size, shape, and location of ventilation window.