Naturally circulating probes and collectors for ground-coupled heat pumps
Naturally circulating probes and collectors for ground-coupled heat pumps
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DOI：
10.1016/j.ijrefrig.2005.08.014
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发表时间：
2005-12
期刊：
影响因子：
--
通讯作者：
R. Rieberer
中科院分区：
文献类型：
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作者：
R. Rieberer
对以CO2为工质的基于热虹吸原理的土壤耦合热泵垂直和水平布置热源系统进行了理论和实验研究。1997年开始对垂直型（CO2探头）进行调查。在过去的几年里，各种设计和操作参数已经被深入分析，例如，并联接地探针的最佳数量、探针长度、所需的CO2充注量等。在奥地利，到目前为止已经安装了100多个系统，经验证实，由热泵、探针头和CO2探针组成的热泵系统是可靠的，高效且环保的接地耦合系统的替代方案。CO2探测器的巨大成功引发了对水平型（CO2收集器）的进一步研究活动。在实验室的实验台上进行的第一次实验结果证实，CO2可以作为热载体在收集器。
Both vertically and horizontally installed heat source systems for ground-coupled heat pumps based on the thermosyphon principle using CO2as the working fluid have been investigated theoretically as well as experimentally. The investigation of the vertical type (CO2probe) has started in 1997. During the last years various design and operational parameters have been analyzed in depth, e.g. optimum number of parallel earth probes, probe length, CO2charge required etc. In Austria up to now more than 100 systems have been installed, and the experience confirms that a heat pump system consisting of heat pump, probe head, and CO2probe is a reliable, highly efficient as well as environmentally friendly alternative to commonly used ground-coupled systems. The great success with the CO2probe initiated further research activities on a horizontal type (CO2collector). The first experimental results carried out with a test rig in the laboratory confirm that CO2can be used as heat carrier in collectors.