Investigation on Thermodynamic Performance of a Double-Acting Traveling-Wave Thermoacoustic Heat Pump for High-Temperature Range

Tong Huan; Luo Ercang

doi:10.3969/j.issn.0253-4339.2012.04.002

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Investigation on Thermodynamic Performance of a Double-Acting Traveling-Wave Thermoacoustic Heat Pump for High-Temperature Range

更新时间：2024-07-30

- Investigation on Thermodynamic Performance of a Double-Acting Traveling-Wave Thermoacoustic Heat Pump for High-Temperature Range
- Journal of Refrigeration Vol. 33, Issue 4, (2012)
- 作者机构：
  
  1. 中国科学院低温工程学重点实验室,中国科学院研究生院
  2. 中国科学院低温工程学重点实验室
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2012.04.002
  CLC：
- Published：2012
- 稿件说明：
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Tong Huan, Luo Ercang. Investigation on Thermodynamic Performance of a Double-Acting Traveling-Wave Thermoacoustic Heat Pump for High-Temperature Range[J]. Journal of refrigeration, 2012, 33(4).
DOI：

Tong Huan, Luo Ercang. Investigation on Thermodynamic Performance of a Double-Acting Traveling-Wave Thermoacoustic Heat Pump for High-Temperature Range[J]. Journal of refrigeration, 2012, 33(4). DOI： 10.3969/j.issn.0253-4339.2012.04.002.

摘要

提出了一种双作用热声热泵的流程，利用热声软件DeltaEc模拟计算了在进出口体积流率相位差为120°时各个结构尺寸的改变对系统性能的影响，并对影响其改变的原?因做了分析讨论。设计优化了一种高性能高温行波热声热泵，在热端温度为100℃、环境温度为30℃时，其热端泵热量可达1037.7W，热泵系数COP为3.2，相对卡诺效率为59.7%。在此基础上进一步研究了在进出口体积流率相位差在不同值时热泵系统的性能，发现在相位差为129°时，相对卡诺效率可达最高，为60.1%。

Abstract

The paper proposes a novel thermoacoustic heat pump and uses the DeltaEc code to simulate the thermodynamic performance of a double-acting traveling-wave thermoacoustic heat pump for high-temperature range. The influence of different dimensions of each thermodynamic component is analyzed when the inlet and outlet volume flow rates are kept at a phase difference of 120°. Based on the analysis and discussion of these influences

this article designs and optimizes a high-performance heat pump. When the hot end is kept at a temperature of 100℃ and the ambient temperature of 30℃

the heat pump can achieve pumping power of 1037.7W

a COP of 3.2 and a relative Carnot efficiency of 59.7%. Furthermore

the study shows that the relative Carnot efficiency can reach a highest Carnot efficiency of 60.1% if the inlet phase of inlet volume flow rate leading the outlet volume flow rate by 129°.

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