周少斌,曹红梅,付宁,张民,郭丰瑞,王晓龙,高明

• 1:山东大学能源与动力工程学院高效储能及氢能利用山东省工程研究中心
• 2:华能山东发电有限公司
• 3:华能国际发电有限公司日照电厂

摘要(Abstract)：

相变储热技术能够实现对固态储放氢过程热量的回收和供给，实现固态储氢罐内的自热平衡，提高储放氢性能。研究针对卧式管壳式相变储热器，提出了一种新型的内管偏心放置绕中心轴线旋转的运动方式，采用Fluent数值模拟软件，基于动网格技术编写了用户自定义函数UDF，重点研究了内管偏心距离与旋转速度对储热性能的影响。结果表明：与传统中心内管静止布置相比，偏心内管的旋转运动能够显著提高储热性能，当偏心距离为9 mm，旋转速度为0.10 r/min时，储热时间达到最小值，储热时间减少了92.16%，时间平均储热速率是内管静止布置的11.51倍；当偏心距离为9 mm，旋转速度由0.30 r/min减少至0.10 r/min时，储热时间减少了13.57%；当旋转速度为0.10 r/min，偏心距离由3 mm增至9 mm时，储热时间减少了70.48%。该研究结果可为卧式管壳式相变储热器在储氢领域的性能优化研究提供新思路。

关键词(KeyWords)： 卧式管壳式相变储热器;固态储氢;内管移动;储热性能;数值模拟

Abstract:

Keywords:

基金项目(Foundation): 中国华能集团有限公司总部科技项目（HNKJ24-HF36）;; 山东省自然科学基金项目（ZR2023ME025） ~~

作者(Author): 周少斌,曹红梅,付宁,张民,郭丰瑞,王晓龙,高明

DOI: 10.19666/j.rlfd.202403057

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