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Performance analysis of a proposed solar assisted ground coupled heat pump system

机译:拟议的太阳能辅助地面耦合热泵系统的性能分析

摘要

This paper presents the numerical simulation of a solar assisted ground coupled heat pump (SAGCHP) system which can provide both space heating and domestic hot water (DHW). The optimization process is completed on the TRNSYS based platform by simulating the influence of solar collector area on the total borehole length and system performance. Simulations are also carried out under different meteorological conditions to explore the applicability of the proposed SAGCHP system in northern China. The simulating results show that the optimized system under the specified load conditions has a collector area of 40m 2 and a borehole length of 264m. The annual total heat extraction plus 75% of the hot water requirement can be provided by solar energy in the optimized design. Furthermore, the energy balance of the optimized design is confirmed with a minor difference of 0.75%, and the system is proved more efficient and economical for its application in Beijing area.
机译:本文介绍了可同时提供空间供暖和生活热水(DHW)的太阳能辅助地面耦合热泵(SAGCHP)系统的数值模拟。通过模拟太阳能收集器面积对总井眼长度和系统性能的影响,在基于TRNSYS的平台上完成了优化过程。在不同的气象条件下也进行了模拟,以探讨拟议的SAGCHP系统在中国北方的适用性。仿真结果表明,该优化系统在指定载荷条件下的集热面积为40m 2,井眼长度为264m。在优化设计中,太阳能可提供每年的总热量提取量加上75%的热水需求。此外,优化设计的能量平衡得到确认,相差0.75%,并且证明该系统在北京地区的应用更为有效和经济。

著录项

  • 作者

    Chen X; Yang H;

  • 作者单位
  • 年度 2012
  • 总页数
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类

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