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A Study on the Performance Evaluation of Flow Rate Balancing Valve for a Hydronic Radiant Floor Heating System
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온수온돌난방 시스템의 유량 밸런싱 밸브 성능평가에 관한 연구

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Type
Academic journal
Author
Rhee Kyu-Nam (나우설비기술) Cha Min-Chul (서울대학교) Ryu Seong-Ryong (두산건설) Yeo Myoung-Souk (서울대학교) Kim Kwang-Woo (서울대학교)
Journal
ARCHITECTURAL INSTITUTE OF KOREA JOURNAL OF THE ARCHITECTURAL INSTITUTE OF KOREA Planning & Design Vol.27 No.5 KCI Excellent Accredited Journal
Published
2011.5
Pages
245 - 252 (8page)

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A Study on the Performance Evaluation of Flow Rate Balancing Valve for a Hydronic Radiant Floor Heating System
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Hydronic balancing is an essential measure to improve thermal comfort and energy efficiency of a hydronic radiant floor heating system. Recently, various balancing valves are integrated into the distribution manifold in order to facilitate the balancing procedure. However, despite the widespread application of the balancing valve, a comprehensive method to evaluate the valve has not been developed. This study aims at suggesting the evaluation method to examine whether a balancing valve is suitable to regulate the pressure-flow rate of the hydronic radiant floor heating system in residential buildings. To do this, the pressure-flow rate range in hydronic networks of residential buildings was investigated. Then measured flow coefficients of the balancing valve (Kv value) were applied to analyze the basic performance of the valve: the suitability of regulating range and the convenience of regulation. In addition, Simulink-based network simulation was performed to investigate the applicability of the valve. Based on the simulation results, flow quotients and cavitation number were analyzed in order to examine whether the valve can be applied successfully to the purpose of hydronic balancing for the hydronic radiant floor heating system in residential buildings.
#온수온돌난방 시스템 #성능평가 #밸런싱 밸브 #유량 #관망해석 #Hydronic Radiant Floor Heating System #Performance Evaluation #Balancing Valve #Flow Rate #Network Simulation

Contents

Abstract
1. 서론
2. 유량 밸런싱의 필요성 및 요구 성능
3. 밸런싱 밸브 성능평가 방법
4. 성능평가 방법의 적용
5. 결론
참고문헌

References (8)

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국토해양부 / 2010 / 친환경 주택의 건설기준 및 성능 / 국토해양부 고시 제 2010-421호 google schola 신중진 / 2002 / 최근 초고층 아파트의 단위세대 평면계획특성에 관한 연구 / 대한건축학회논문집 계획계 18(8):11~22 google schola 여명석 / 2008 / 바닥난방에서의 유량밸런싱 기술 및 적용효과 / 설비 공조 냉동 위생 25(11):54~43 google schola 홍석진 / 2006 / 개별 난방방식에서의 배관 내 적정 유량 및 압력유지에 관한 연구 / 한국주거학회논문집 17(2):11~18 google schola ASHRAE / 2003 / HVAC Application Handbook, Ch 37. Testing, Adjusting, and Balancing google schola

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