[논문]바닥복사 난방시스템의 밸브구동 특성을 고려한 실내 열환경 성능 개선 연구

송재엽; 안병천

doi:10.17664/ksghe.2021.17.4.036

바닥복사 난방시스템의 밸브구동 특성을 고려한 실내 열환경 성능 개선 연구
A Study on the Improvement of Indoor Thermal Performance of Floor Radiant Heating System Considering Valve Operation Characteristics 원문보기

한국지열·수열에너지학회논문집 = Journal of the Korean Society for Geothermal and Hydrothermal Energy, v.17 no.4, 2021년, pp.36 - 45

송재엽 (유한대학교 건축설비공학과) , 안병천 (가천대학교 기계공학과)

Abstract ▼ AI-Helper

In this study, to improve the indoor thermal environment of the radiant floor heating system, a study was conducted on the temperature change characteristics and energy consumption according to the change of the indoor air set temperature, the supply hot water temperature and the outdoor temperature. As for the control method, the on/off control and the thermal difference proportional control method proposed through previous studies were applied. In addition, in consideration of field applicability, numerical analysis was performed for the case where the indoor air temperature sensor was affected by the wall temperature. As a result, it was found that the temperature difference proportional control method is more effective for thermal comfort and energy saving than on/off control.

주제어

표/그림 (11)

그림 Fig. 1. Flow-chart of on/off control method
그림 Fig. 2. Flow-chart of thermal difference proportional control method
표 Table 1. Operation conditions for floor radiant heating system
그림 Fig. 3. Comparison of temperature and flow-rate responses for Indoor set temperature changes
표 Table 2. Results of simulations for indoor set temperature changes
그림 Fig. 4. Comparison of temperature responses for hot water set temperature
표 Table 3. Results of simulations for hot water set temperature
그림 Fig. 5. Comparison of temperature responses for outdoor temperature.
표 Table 4. Results of simulations for outdoor temperature
그림 Fig. 6. Comparison of temperature responses for disturbance of indoor temperature
표 Table 5. Results of simulations for disturbance of indoor temperature

참고문헌 (8)

Byung-Cheon Ahn, Jae-Yeob Song, 2010, Response Characteristics of Control Methods for Automatic Thermostatic Valves in Floor Radiant Heating System, Journal of the Architectural Institute of Korea, Vol. 26, No. 2, pp. 231-238.
Wu-feng Jin, Jin-Young Lee, Myoung-Souk Yeo, Ho-Tae Seok, Kwang-Woo Kim, 2001, An Experimental Study on the Control Methods of Radiant Floor Heating Systems, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 13, No. 12, pp. 1297-1306.
Wu-feng Jin, Mi-Kyoeng Lee, Myoung-Souk Yeo, Kwang-Woo Kim, 2004, A Study on the Individual Room Control of Radiant Floor Heating System in Apartment Buildings, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 16, No. 5, pp. 421-429.
Lee, E. J, Lee, D. Y, Hong, H, and Kim, Y. K., 2014, Measurement and Simulation of Heating Energy for Apartments with District Heating, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 26, No. 12, pp. 572-578.
Jeong-Ah Seo, Younggy Shin, Yong-Ki Kim, Tae-Won Lee, 2016, A Study on Improved Heating Performance of an Apartment Housing Unit, Korean Journal of Air-Conditioning and Refrigeration Engineering, Vol. 28, No. 2, pp. 69-74.
Jae-Yeob Song, Byung-Cheon Ahn, 2016, Simulation Study for Control Strategies of Indoor Air Temperature in Floor Radiant Heating System, Korea Society of Geothermal Energy Engineers, Vol. 12, No. 4, pp. 21-26.
Byung-Cheon Ahn, Jae-Yeob Song, 2008, A Study on Heat Flow Dynamic Analysis for Floor Radiant Heating System, Journal of the Architectural Institute of Korea, Vol. 24, No. 8, pp. 293-300.
B. C. Ahn, J. Y. Song, 2010, Control characteristics and heating performance analysis of automatic thermostatic valves for radiant slab heating system in residential apartments, Energy 35, pp. 1615-1624.

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