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A Study on Building Energy Saving using Outdoor Air Cooling by Load Prediction

부하예측 외기냉방에 의한 건물에너지 절약에 관한 연구

  • Kim, Tae-Ho (Graduate School of Mechanical Engineering, Chungnam National University) ;
  • Yoo, Seong-Yeon (School of Mechanical Engineering, Chungnam National University) ;
  • Kim, Myung-Ho (Graduate School of Mechanical Engineering, Chungnam National University)
  • 김태호 (충남대학교 기계공학부 대학원) ;
  • 유성연 (충남대학교 기계공학부) ;
  • 김명호 (충남대학교 기계공학부 대학원)
  • Received : 2016.10.27
  • Accepted : 2016.11.28
  • Published : 2017.02.10

Abstract

The purpose of this study is to develop a control algorithm for outdoor air cooling based on the prediction of cooling load, and to evaluate the building energy saving using outdoor air cooling. Outdoor air conditions such as temperature, humidity, and solar insolation are predicted using forecasted information provided by the meteorological agency, and the building cooling load is predicted from the obtained outdoor air conditions and building characteristics. The air flow rate induced by outdoor air is determined by considering the predicted cooling loads. To evaluate the energy saving, the benchmark building is modeled and simulated using the TRNSYS program. Energy saving by outdoor air cooling using load prediction is found to be around 10% of the total cooling coil load in all locations of Korea. As the allowable minimum indoor temperature is decreased, the total energy saving is increased and approaches close to that of the conventional enthalpy control.

Acknowledgement

Supported by : 충남대학교

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