• Title/Summary/Keyword: 냉방도일

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The expectation of future cooling and heating degree day of the Seoul and Ulsan using HadCM3 (HadCM3를 이용한 서울 및 울산지역의 미래 냉.난방도일 예측)

  • Lee, Kwan-Ho;Yoo, Ho-Chun;Noh, Kyoung-Hwan
    • 한국태양에너지학회:학술대회논문집
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    • 2008.04a
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    • pp.160-165
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    • 2008
  • The concern in energy reduction in the field of architecture which takes up a big weight in domestic energy consumption is gradually increasing. For this reason, a lot of research work on this matter is being carried out. Particularly, it is generally required that currently used system in a structure for energy reduction should be maximized in its efficiency. In addition, research on several energy reduction typed systems is underway. Such a research work should not only include the one in time of the present but also keep up with the trend for future-oriented research. This research paper forecasted and analyzed the trend for global warming and demand of a structure for energy in the future by applying climate scenarios to cooling degree-day and heating degree-day. Also, this research found out the decrease in heating degree-days and increase in cooling degree-days until this moment due to the progress of global warming. In addition, as for heating degree-days in the future forecasted on the basis of HadCM3, it is estimated that the range of decrease could be ever bigger starting 2040 in case of Seoul and also starting 2010 in case of Ulsan ever after respectively. In case of cooling degree-days, it is estimated that its increase range could be bigger abruptly starting 2050, and after 2080, its increase range would be much bigger.

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A Study on Prediction of Power Consumption Rate for Heating and Cooling load of School Building in Changwon City (창원시 학교 건축물의 냉난방부하에 대한 전력 소비량 추정에 관한 연구)

  • Park, Hyo-Seok;Choi, Jeong-Min;Cho, Sung-Woo
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.11 no.2
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    • pp.19-27
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    • 2012
  • This study was carried out in order to establish the estimation equation for school power consumption using regression analysis based on collected power consumption for two years of weather data and schools are located in Central Changwon and Masan district in Changwon city. (1) The power consumption estimation equation for Heating and cooling is calculated using power consumption per unit volume, the difference between actual power consumption and results of estimation equations is 4.1%. (2) The power consumption estimation equation for heating load is showed 2.6% difference compared to actual power consumption in Central Changwon and is expressed 2.9% difference compared to that in Masan district. Therefore, the power consumption prediction for each school using the power consumption estimation equation is possible. (3) The power consumption estimation equation for cooling load is showed 8.0% difference compared to actual power consumption in Central Changwon and is expressed 2.9% compared to that in Masan district. As the power consumption estimation equation for cooling load is expressed difference compared to heating load, it needs to investigate influence for cooling load.

A Study on the Cooling Degree Days and the Number of Cooling Days in Korea (우리나라의 냉방도일과 냉방일수에 관한 연구)

  • Seol, Dong-Il;Min, Byeong-Eon
    • Journal of the Korean Institute of Navigation
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    • v.15 no.4
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    • pp.41-58
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    • 1991
  • The cooling degree days and the number of cooling days are used as important research materials not only in the field of design for building and cooling facilities but also in the government's establishment of energy policy. The purposes of this dissertation are to clarify the distribution of the cooling degree days and the number of cooling days by using the daily mean air temperature of 95 weather stations in Korea, and to show the distribution charts of the same cooling degree days and the same number of cooling days in order to help the practical uses of the materials. In cases of the base temperatures $24^{circ}C$, $25^{circ}C$, $26^{circ}C$, and $27^{circ}C$, the cooling degree days and the number of cooling days are shown in Table 5. The distribution charts of the same cooling degree days and the same number of cooling days are shown in Fig. 6 to Fig. 8 and Fig.9 to Fig. 11 respectively. As a result of this dissertation, Jeju Island and southern inland regions(especially Jeonju, Daegu, Gwangju) have a larger value than central regions and northern regions because of the influences of the terrain effect, and western coast regions have usually a larger value than eastern coast regions at the same latitude. The largest value appears in August of the year and the second in July, and the smallest in September. And southern inland area surrounded by Imshil, Goechang, and Boeun has a much smaller value than the other areas of its vicinity.

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Prediction of Heating and Cooling Energy Consumption in Residential Sector Considering Climate Change and Socio-Economic (기후변화와 사회·경제적 요소를 고려한 가정 부문 냉난방 에너지 사용량 변화 예측)

  • Lee, Mi-Jin;Lee, Dong-Kun;Park, Chan;Park, Jin-Han;Jung, Tae-Yong;Kim, Sang-Kyun;Hong, Sung-Chul
    • Journal of Environmental Impact Assessment
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    • v.24 no.5
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    • pp.487-498
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    • 2015
  • The energy problem has occurred because of the effects of rising temperature and growing population and GDP. Prediction for the energy demand is required to respond these problems. Therefore, this study will predict heating and cooling energy consumption in residential sector to be helpful in energy demand management, particularly heating and cooling energy demand management. The AIM/end-use model was used to estimate energy consumption, and service demand was needed in the AIM/end-use model. Service demand was estimated on the basis of formula, and energy consumption was estimated using the AIM/end-use model. As a result, heating and cooling service demand tended to increase in 2050. But in energy consumption, heating decreased and cooling increased.