• 제목/요약/키워드: Housing Energy Saving

검색결과 126건 처리시간 0.022초

20년 이상 경과된 노후건축물의 단열재 성능평가에 관한 실험적 연구 (An Experimental Study on a Performance Evaluation of Internal Insulation of Buildings Over 20 Years Old)

  • 김현진;최세진
    • 한국건축시공학회지
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    • 제19권6호
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    • pp.539-547
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    • 2019
  • 최근 국제사회는 지구온난화 방지를 위한 기후변화협약을 체결하고 건축물의 냉방 및 난방 에너지로 공급하는 화석연료 사용을 줄이고자 신축 또는 기존건물에 대한 녹색건축인증(G-SEED) 및 에너지효율등급, 건축물 에너지절약 설계기준 등을 일정조건 이상인 건축물에 의무적으로 적용하고 있다. 건물에 공급하는 에너지 공급을 줄이고 보온성을 향상시키는 건축자재로 단열재가 사용되고 있으며 신축건축물의 에너지절약 설계기준을 만족하는 건물외피 구성 재료 중 총 열 저항성의 90% 이상을 차지하고 있다. 그러나 기존건축물에 시공된 단열재의 경시변화에 대한 명확한 자료가 부족하여 건축물의 에너지성능 판단기준인 단위면적당 1차에너지 소요량 산정에 대한 의문점을 갖게 되었다, 이에 20년 이상 된 노후 건축물의 리모델링 현장에서 단열재(압출법,비드법)를 직접 채취하여 단열재성능을 비교·평가하였다. 실험결과, 압출법(XPS)은 생산초기 품질기준인 KS M 3808보다 열전도율은 48%, 압축강도는 36%가 저하되어 본래의 성능을 발휘하지 못함을 알 수 있었고, 비드법(EPS)의 경우 단열재 두께가 50mm인 경우 열전도율과 압축강도, 굴곡파괴하중 등이 생산초기 품질기준을 유지함을 알 수 있었다. 따라서 비드법의 경우 단열재 두께를 고려하여 현재의 단위면적당 1차 에너지소 요량을 기존대로 산정하고, 압출법의 경우는 단위면적당 1차 에너지소요량 산정시 보정계수를 적용해야 할 것으로 판단된다.

소규모 주택 에너지 저감형 리모델링을 위한 에너지 성능 및 경제성 평가에 관한 사례연구 (A Case Study on Estimation of Energy Efficiency and Economic Feasibility for Energy-Saving Remodeling of Small-sized Houses)

  • 김재욱;송영웅;최윤기
    • 한국건설관리학회논문집
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    • 제15권3호
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    • pp.92-102
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    • 2014
  • 전 세계적으로 에너지 절감, 온실가스 감축 등을 위한 다양한 방법이 제시되고 있다. 우리나라에는 노후된 주택들이 많아 이에 대한 리모델링의 요구가 많으나 이에 대한 연구는 부족하였다. 본 연구는 노후된 주택들의 유형을 분석하였고, 국내 외 사례와 기존 연구를 통하여 리모델링에 적합한 기술 리스트를 제시하였다. 창호, 단열, 문 등과 관련된 기술에 에너지 시뮬레이션, 경제성 분석을 실시하여 소규모 주택 리모델링에 적합한 기술의 조합을 제시하였다. 본 연구는 소규모 주택에 적용할 수 있는 기술의 성능, 경제성을 위한 기초연구이며 이외의 더욱 많은 기술의 분석의 기초가 될 것이다.

주거건축에서 탄소를 줄이기 위한 에너지 절감 요소에 관한 연구 (To reduce carbon from residential architecture Research on energy-saving elements)

  • 박재희
    • KIEAE Journal
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    • 제9권5호
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    • pp.47-52
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    • 2009
  • Currently, the environmental issue is of great urgency and sensitivity to the future of our planet. Global warming caused by increased CO2 concentration has an alarming impact on the earth's fragile environment. Droughts throughout the world are causing crop failures. Wildfires now burn with far greater rage. Melting ice caps and glaciers are causing floods. Sea levels are rising. Warm unseasonable winters are threatening our fragile eco-systems. Global warming is no longer a theory; it is an obvious fact we are confronted with every day, and the only way we can prevent it is to take action now. The need to reduce CO2 emissions and try to become carbon neutral is of national importance and leadership. We have become so reliant on fossil fuels that nearly everything we do generates CO2 emissions; from our modern farming practices to transport, to the electricity used to turn on a light, boil water in a kettle or cook our meals. A reduction of 50% of CO2 emissions can easily be achieved by decreasing the energy amount used. We tracked the carbon footprint throughout the electricity and heating energy use in homes and confirmed the amount of carbon emissions according to its consumptions. In order to reduce the carbon generation from housing constructions, such as Passive House concept of buildings or low energy buildings, we must adjust its applications best fit to our conditions. And technical elements should be applied to improve our conditions, and the methodology should be actively sought. Most of all, each individual's recongnition who uses these elements is more important than any other solutions.

대학생 소비자능력 측정을 위한 척도개발: 소비자교육효과 측정을 중심으로 (Developing Standards for Measuring Consumers' Ability of College Student: Focus on the Consumer Education Effects)

  • 서인주
    • 가족자원경영과 정책
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    • 제13권4호
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    • pp.115-139
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    • 2009
  • This study focused on the development of a scale measuring the effect of consumer education. The purposes of this study were to develop a tool which could measure consumer knowledge, consumer attitudes and consumer behavior. Data were collected from 266 college students. Analysis was done using frequency, cross tabulation analysis, reliability test, principle components factor analysis, confirmatory factor analysis (Amos 5.0), and multiple regression analysis. The results from this study were as follows: 1) Nine consumer knowledge factors (23-items) were identified: consciousness of consumer education and evaluation, consumer rights and allowance management, methods of consumer education and consumer institutions, green energy and environmental consumption, essence and content of consumer education, consumer rights and consumer duty, critical consideration and consumer's damage salvation, buying minds and decision-making, independent consumers. Total variance was 58.4%. Cronbach's alpha for the nine factors ranged from .68-.79. 2) Five consumer attitude factors (26-items) were identified: green environmental consumption, consumer's role and rights, resources saving and consumer's damage salvation, consciousness of consumers, and right consumption. Total variance was 59.2%. Cronbach's alpha for the five factors ranged from .89-.94. 3) Seven consumer behavior factors (27-items) were identified: social role and rights of consumer and consumer movement, right buying and segregated garbage collection, green environmental consumption and resources saving, altruism and decision-making, allowance management and impulse buying, consumer's damage salvation, and consciousness of consumer. The total variance was 59.1%. Cronbach's alpha for the seven factors ranged from .77-.88. Finally, a scale measuring the effect of consumer education consisting of 76 items (consumer knowledge: 23 items (9 factors), consumer attitude: 26 items (5 factors), consumer behavior: 27 items (7 factors)) was constructed.

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친환경 모바일 홈 사우나 디자인 개발에 관한 연구 (A Study on Design Development of Environment-friendly Mobile Home Sauna)

  • 이봉규
    • 한국가구학회지
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    • 제26권1호
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    • pp.77-91
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    • 2015
  • The appeal of sauna is caused by the fact that through that, one can feel Korea's unique temperament and culture; however, because of its being a public facility and flooding of businesses due to excessive supplies of various additional features such as washing, playing, eating, sleeping and health care functions, issues of social resources and environment come to the fore, so it has reached a situation of red ocean that it is difficult to enter the market anymore. Taking these into account, this study focused on developing a thermal technology and design of the housing of an environment-friendly mobile home sauna, making the most use of the sauna's fundamental purpose and settling it as a tourist product, analyzing the marketing research on the existing sauna and considering the recent housing trends and lifestyles for a new concept sauna. Thus, regarding its characteristics and utilization, it was designed smaller than $10m^2$ (3 pyeong) so that it would be easy to install in any space and convenient to move. It can be installed in separate buildings and rest spaces such as country houses, resorts, pensions, camping grounds as well as outdoor houses, custom produced for a measure of pyeong that customers want so as to match up with the Enforcement Ordinance of the Agricultural Land Act in a concept of the farmer's hut and kitchen, bathroom and bathroom can be installed inside according to an option. In addition, regarding its efficacy, in order to give environment-friendly healing effects, materials such as Hinoki Cypress, red clay and hardwood charcoal were used, a fixed indoor temperature of $70{\sim}100^{\circ}C$ was maintained by heating methods such as electromagnetic wave free, energy saving and low-power boiler, and it was made to have excellent effects on fatigue recovery, relieving stress, skin care and diet through far-infrared emission.

공동주택 세대내 결로방지 설계를 위한 실내외 온습도 기준 수립 연구 (A Study on the Foundation of the Standard of Temperature and Humidity for Preventing Condensation in Apartment Housings)

  • 황하진;김종엽;이종성
    • 토지주택연구
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    • 제2권3호
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    • pp.269-276
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    • 2011
  • 최근 공동주택은 에너지 절약을 위한 단열 및 기밀화로 자연 환기량이 감소되고, 세탁물의 실내 건조, 취사 및 목욕 등으로 인해 세대내 결로 발생가능성이 점점 높아지고 있다. 그러나 실제 생활실태나 환경조건을 반영한 합리적인 결로방지 설계기법이 부족한 상태이다. 따라서 본 연구에서는 이러한 문제점을 인식하고, 세대내 결로 방지 대처 방안을 강구하기 위해 실제 생활환경 하에서의 실내 온습도 상태를 측정하여 합리적인 결로방지 설계기준을 설정하고자 한다. 또한 기상데이터를 이용한 지역별 외기온의 분석을 통해 합리적인 지역구분 및 결로판정기준용 외기조건을 설정하고자 한다. 결과는 다음과 같다. 결로 판정을 위한 실내 기준은 기온 $25^{\circ}C$, 상대습도 55%로 설정하였다. 결로 판정을 위한 실외 기준은 지역을 혹한지, 중부 남부로 구분하고 기온을 각각 $20^{\circ}C$, $-15^{\circ}C$, $-10^{\circ}C$로 설정하였다.

한지창호의 실내 온.습도 조절효과에 관한 실험적 연구 (An Experimental Study on the Effect of Hanji Windows on Indoor Air Temperature and Humidity Control)

  • 장길수;박사근;송민정;신훈
    • 한국주거학회논문집
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    • 제17권2호
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    • pp.125-134
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    • 2006
  • The tightness of windows have devoted to the improvement of thermal insulation and energy saving in buildings. But it is known that this tightness causes some side effects such as low ventilation, low capacity to humidity and temperature control and these are not profitable for inhabitants. To act on these side effects, Korean traditional windows which are composed of Han-Ji(Koreand traditional paper) and Chang-Sal(Korean traditional wooden frame) have been studied to get a reasonable solutions for these problems. In this study, to compare the thermal and humidity control performance of current window(12 mm pair) and Korean traditional windows, frames which are made of existing window and Korean traditional windows are adapted to scale model house and then humidity and temperature of in and out of scale model house are measured and analysed. The results of this study are followings ; 1) When Korean traditional window charges 20cm(1/8 of total window area) from total window area, Han-Ji window has higher thermal insulation than that of existing window in daytime. There is the most big thermal difference when double faced with double-ply Han-Ji window is placed to mock-up house. In night-time, the temperature difference is very small so this means that Korean traditional window is good to cover direct sunlight in daytime and reduce the temperature of balcony. One faced with one-ply han-Ji window has the best humidity penetration performance among three type of Korean traditional windows. 2) When Korean window area enlarged to 40cm(1/4 of total window area), the function of 40cm width Han-Ji window is higher than that of 20cm's. This means that enlargement of Han-Ji window cover direct sunlight more and is more efficient in humidity penetration.

아파트의 전력부하밀도 및 전력소비 실태 분석 연구 (A Study on the Analysis of Power Load Density and Electric Power Consumption in Apartment Housing)

  • 이기홍;성세진
    • 조명전기설비학회논문지
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    • 제15권1호
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    • pp.118-124
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    • 2001
  • 아파트에서의 전력수요예측과 에너지 절약을 유도하기 위하여 본 연구에서는 1,080아파트 단지의 전력소비실태를 설문조사하여 전력부하밀도, 전력소비량, 설비의 현황 등을 분석·제시하였다. 분석 결과 연면적 대비 전력 부하밀도는 최대 7.70[VA/m2], 평균 6.0[VA/m2] 등으로 분석되었으며, 평균 부하율은 64[%]인 것으로 나타났다. 그리고 전국 아파트에서 년간 소비되는 전력량은 국내 총 소비전력량의 7[%]에 해당되는 14,008[GWh/년]으로 분석되었다.

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국내 친환경 공동주택의 활성화를 위한 개정 건물 성능 평가제도 비교 연구 (A Study on Comparison and Analysis of Revision Building Rating System for Environment-friendly Residential Building)

  • 박경순;김철;권문희
    • KIEAE Journal
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    • 제10권4호
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    • pp.19-28
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    • 2010
  • As design tools, building performance certification systems can be applied to provide adequate guidelines on design process to create environment-friendly buildings. Domestic certification systems of residential building took effect by doing supply to designers and contractors from affiliated organization of governments in the early 2000s. As a result, Building Energy Rating System, Apartment Performance Rating System, Green Homes and other means to promote green designs have been operated. International trends of applying certification systems were started in the early 1990s as forms of LEED in USGBC, BREEAM in BRE, GBTool Canada. These systems aim to evaluate building performance in line with the Climatic Change Convention and realize sustainable building design. In 2009, residential buildings accounted for the largest portion of the internal real estate market with 67.9 percent according to the National Statistical Office data. And for 18 years since 1991, apartments among constructed residential buildings have ranked top taking up 77.7% as of 2009. Apartment performance evaluations accordingly are to promote to constitution of improving tenant quality of life, the residential environment and saving energy and resources in the internal building market. The purpose of this study is to compare and analyze valuation bases of each sector in evaluation systems of residential buildings at home and abroad to upgrade current systems through reflecting the characteristics of residential buildings. Implementation of this study basically include comparison of valuation bases and partial analysis on properties of rating systems to suggest requisites for improvement in building performance certification.

독일 루르지역의 도시재생정책: 오버하우젠시와 겔젠키르헨시를 사례로 (Urban Revitalization Policies of the Ruhr Area, Germany: Case Studies on the Cities of Oberhausen and Gelsenkirchen)

  • 신동호
    • 한국경제지리학회지
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    • 제18권1호
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    • pp.60-75
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    • 2015
  • 독일 북서부에 위치한 루르지역은 1850년대부터 석탄이 채굴되면서 석탄광업과 제철공업을 중심으로 유럽 최대의 공업지역으로 발전하였다. 그러나 1950년대에 접어들면서 에너지원으로써 유류(Oil)에 비해 석탄의 가격과 품질 경쟁력이 떨어졌고 개발도상국의 부상에 따라 이 지역의 석탄광업과 제철공업이 쇠퇴하기 시작하였다. 1970년대 부터 석탄광구와 제철공장이 하나씩 폐쇄되기 시작하여 도심에 조성된 많은 공업용지가 유휴화 되었고 실업자도 크게 늘어 심각한 경제위기에 직면하였다. 루르지역의 전형적인 공업도시라 할 수 있는 오버하우젠(Oberhausen)시는 이러한 문제에 당면하여 대규모 제철공장부지를 정화하여 거대한 쇼핑몰과 여가산업지구를 조성하였고, 겔젠키르헨(Gelsenkirhen)시는 석탄광업지구를 정화하여 태양광 산업을 중심으로 신재생에너지 산업단지와 친환경 주택단지를 조성하였다. 본 연구는 경로의존론(Path Dependence Theory)에 입각하여 이 두 도시가 추진한 도시재생정책의 집행과정과 결과를 분석하고, 이론적, 정책적 시사점을 도출하였다.

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