中低温相变蓄热的研究进展

doi:10.3969/j.issn.2095-4239.2014.03.001

摘要/Abstract

摘要： 相变蓄热技术由于蓄热密度大,温度恒定,在国内外得到广泛的研究与应用,尤其在能源供给不连续的情况下,应用的尤其广泛.相变储热系统作为解决能源供应时间与空间矛盾的有效手段,是提高能源利用率的重要途径之一.本文从相变材料的选取,相变过程数值模拟,相变蓄热装置3个方面对中低温相变蓄热的研究进行了综述.首先介绍了中低温相变材料的种类及其循环稳定性,导热能力强化,其次总结了适用于中低温相变蓄热的数值模拟方法和理论,然后介绍了不同的相变储热器,最后指出了中低温相变蓄热的研究目标和方向.

关键词: 中低温, 蓄热, 相变材料, 数值方法

Abstract: Phase-change thermal storage technology has been widely studied and applied because of its high heat storage density and constant temperature. Particularly in the case that energy supply is not continuous, its application is very extensive. As an effective method to resolve the time and space conflicts of energy supply, phase-change thermal storage system can significantly improve energy utilization efficiency. In this paper, state-of-the-art of phase change thermal storage at middle and low temperature includes the three aspects: Phase-change material selection, numerical simulation of the phase-change process, phase-change thermal storage device. Firstly, introducing species and cycling stability, thermal conductivity enhancement of the phase change material. Secondly, summarizing numerical simulation methods and theories. Thirdly, describing different devices of phase-change thermal storage. Finally, pointing out the research objectives and directions of phase-change thermal storage at middle-low temperature.

Key words: middle-low temperature, thermal storage, phase-change material, simulation method

中图分类号:

TK02

徐治国, 赵长颖, 纪育楠, 赵耀. 中低温相变蓄热的研究进展[J]. 储能科学与技术, 2014, 3(3): 179-190.

XU Zhiguo, ZHAO Changying, JI Yunan, ZHAO Yao. State-of-the-art of phase-change thermal storage at middle-low temperature[J]. Energy Storage Science and Technology, 2014, 3(3): 179-190.

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