化工学报 ›› 2023, Vol. 74 ›› Issue (S1): 287-294.DOI: 10.11949/0438-1157.20221632
收稿日期:
2022-11-16
修回日期:
2022-12-25
出版日期:
2023-06-05
发布日期:
2023-09-27
通讯作者:
王文
作者简介:
宋嘉豪(1999—),男,硕士,songjiahao@sjtu.edu.cn
Received:
2022-11-16
Revised:
2022-12-25
Online:
2023-06-05
Published:
2023-09-27
Contact:
Wen WANG
摘要:
斯特林发动机作为一种外部供热的闭式循环发动机,与高温热管耦合在一些特定场合能够实现热功转换目标。采用热阻网格法和绝热分析法分析高温热管和斯特林发动机,通过对热管与发动机间的热流等进行迭代计算,分析二者间的耦合运行特性。基于一个斯特林发动机及能够满足其输入热能需求的高温热管组合,分析了耦合情况下斯特林发动机的运行特征,包括斯特林发动机的启动特性以及输出功率随热源温度的变化。结果表明,在1000 K的热源温度下,斯特林系统在400 s后达到稳态,能够提供约101 W的稳态输出功率;随着热源温度的升高,发动机内的功率损失会随之升高,使得发动机的输出功率增长趋缓;改变热管壁厚,发动机输出功率先增大后减小,在所研究工况下的热管管壁最优厚度为7 mm。
中图分类号:
宋嘉豪, 王文. 斯特林发动机与高温热管耦合运行特性研究[J]. 化工学报, 2023, 74(S1): 287-294.
Jiahao SONG, Wen WANG. Study on coupling operation characteristics of Stirling engine and high temperature heat pipe[J]. CIESC Journal, 2023, 74(S1): 287-294.
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