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Air Core Systems for Passive and Hybrid Energy-Conserving Buildings 被动式和混合式节能建筑的空芯系统
本文回顾了普通空心砌块蓄热系统(空心砌块)的设计,并对其中一个系统的实测性能和计算传热系数进行了分析。本文概述了包含该系统的受监控建筑的季节性性能。“空心”是储能系统的通用术语,利用混凝土砌体的空心空隙作为整体管道系统和传热表面积,通过风机强迫空气间接储存能量。常见的能源/汇是在适当控制的条件下提供的太阳能热、回收内部产生的热量、木材热、自然冷却的室外空气和/或蒸发冷却的室外空气。通过现场试验计算了砌块砌体空心墙系统的传热率- 测量数据使用两种方法。发现平均传热系数为0.48 Btu/ft2–h/F(2.7 W/m2–K),与文献值比较良好。审查的文献并不广泛,表明需要对这些系统进行进一步的计算机模拟和现场监测,以开发简化的设计辅助工具。单位:双引文:研讨会,ASHRAE交易,1986年,第92卷,pt。2B,波特兰,或
This paper reviews generic hollow-core-masonry heat storage system (air-core) designs and discusses an analysis of the measured performance and calculated heat transfer coefficients in one such system. An overview of seasonal performance of the monitored building containing the system is provided."Air-core" is a generic term for energy storage systems employing the core voids of concrete masonry untis as integral ductwork and heat transfer surface area to store energy indirectly via fan forcing of air. Common energy sources/sinks are collected solar heat, recycled internal generated heat, wood heat, naturally cooled outdoor air, and/or evaporatively cooled outdoor air, supplied under appropriately controlled conditions.Heat transfer rates in a block masonry air-core system were calculated from field-measured data using two methods. An average heat transfer coefficient of 0.48 Btu/ft2•h/F (2.7 W/m2•K) was found, which compares well to values the literature. The reviewed literature was not extensive, indicating need for further computer simulation and field monitoring of these systems to develop simplified design aids.Units: Dual
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