王志聪,谢应明,刘宇航,俞秀娟,杨亮,豆斌林

• 1:上海理工大学能源与动力工程学院
• 2:上海市动力工程多相流动与传热重点试验室

摘要(Abstract)：

本研究采用四丁基溴化铵（TBAB）作为热力学添加剂强化二氧化碳水合物的蓄冷性能。与纯水体系相比，TBAB的质量分数加入可显著提升CO_2水合物的相变温度、降低水合物生成所需的充注压力，在不同的充注压力（2.4～3.0 MPa）和TBAB质量分数（5%～20%）下，研究了水合物的生成特性及蓄冷特性。实验结果表明：CO_2水合物的相变温度随充注压力和TBAB质量分数的升高呈上升趋势，充注压力越大，蓄冷性能越好。随着TBAB质量分数的增加，蓄冷性能先上升后下降。当TBAB质量分数为15%，充注压力为3.0 MPa时，蓄冷性能最优：总蓄冷量最大（6 256.25 kJ），平均蓄冷速率最快（2.49kW），制冷性能系数（COP）最大（2.5）。研究表明：TBAB对压缩式CO_2水合物蓄冷系统具有明显的强化作用。

关键词(KeyWords)： 充注压力;TBAB质量分数;总蓄冷量;平均蓄冷速率

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金（50806050）

作者(Author): 王志聪,谢应明,刘宇航,俞秀娟,杨亮,豆斌林

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