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다기준 의사결정방법을 이용한 공동주택 내 환기장치 종류별 효과분석
박경용,김길태,김태민,지원길,곽병창,Park, Kyung-Yong,Kim, Gil-Tae,Kim, Tae-Min,Ji, Won-Gil,Kwag, Byung-Chang 한국토지주택공사 토지주택연구원 2022 LHI journal of land, housing, and urban affairs Vol.13 No.3
With increasing airtight building construction aimed at reducing energy consumption, indoor relative humidity is increasing which can lead to condensation and moisture damage in multi-family residential buildings. This has led to increased implementation of mechanical ventilation to control indoor moisture. However mechanical ventilation systems consume additional energy and generate noise. As this leads to occupant discomfort, it is necessary to select a ventilation system that addresses the energy and noise issues. This research measured the ventilation performance, energy consumption, and noise level of mechanical ventilation devices in multi-family residential buildings. TOPSIS, a multi-criteria decision making technique was used to determine appropriate ventilation strategies in addition to occupant ventilation system operation preference.
건축물에너지효율등급에 영향을 미치는 건물요소 및 요소별 성능현황 분석을 통한 적정값 도출
이형아(Hyungah Lee),박경용(Kyung-Yong Park),이승복(Seung-Bok Leigh) 대한설비공학회 2018 대한설비공학회 학술발표대회논문집 Vol.2018 No.6
As buildings account for 25% of national greenhouse gas emissions and 20% of energy consumption, efforts are being made internationally to reduce greenhouse gas emissions and energy consumption in buildings. In Korea, Zero Energy Building Certification System has been implemented since January 2017 with the aim of mandating zero energy for new buildings. In this paper, an initial study has been conducted to propose a plan to improve the Energy Efficiency Rating of buildings in accordance with the type of building (Single-family house, Multi-family house, Non-residential building with less than 3,000 square meters of total floor area, and Non-residential building with more than 3,000 square meters of total floor area). The building envelope factors and equipment system factors which have a great effect on the Building Energy Efficiency Rating have been derived and the influence of each factor has been analyzed by the correlation coefficient. Based on it, the performance status of the elements with the greatest influence on each building has been analyzed.
공동주택 세대 습기 제어를 위한 환기 시스템 운영 전략 효과 연구
곽병창(Kwag, Byung-Chang),김태민(Kim, Tae-Min),김길태(Kim, Gil-Tae),지원길(Ji, Won-Gil),박경용(Park, Kyung-Yong) 한국건축친환경설비학회 2021 한국건축친환경설비학회 논문집 Vol.15 No.5
It is essential to control humidity level to maintain indoor air quality of multi-family residential buildings preventing condensation and mold growth. Exhaust and ventilation systems can have indoor humidity control performance, but it can affect occupant’s comfort and energy consumption associated with ventilation devices. Therefore, it needs to optimize the strategies to operate exhaust or ventilation systems of typical Korean multi-family residential buildings. This study carried out experiments for various combinations of exhaust and ventilation systems to control indoor humidity level. As a result, it was effective to use the kitchen hood and the energy recovery ventilator simultaneously when detecting humidity level increase, then to use only the ERV after reaching the peak increment of indoor humidity level. The experiments showed that the modified control algorithm could provide controlling indoor humidity level effectively with lower noise generation and electricity consumption than using the kitchen hood and multiple ventilation systems. This paper shows the importance of considering various parameters comprehensively to optimize indoor air quality control strategy. The results of this study will be useful as a control strategy for indoor air quality when planning a control system with sensors to operate exhaust and ventilation systems effectively in multi-family residential buildings.