基于温度差异分析的单个U形垂直埋藏管道有效井深的研究
1Shandong Institute of Petroleum and Chemical Technology, Dongying 257000, Shandong, China.
ACS omega
|July 24, 2023
概括
更深的垂直埋藏管道每米提供更少的热交换,但入口部分变得更高效. 最佳井深需要平衡U形地热系统的热交换,温度差异和经济因素.
科学领域:
- 地热能源 地热能源
- 热传递工程 热传递工程
背景情况:
- 垂直埋藏的管道对于地热热交换至关重要.
- 了解这些系统中的传热动态对于效率至关重要.
研究的目的:
- 为了建模和分析U形垂直埋藏管道的传热性能.
- 研究不同井深对换热器效率的影响.
主要方法:
- 为单个U形垂直埋藏管道建立了经过验证的传热模型.
- 在200米,160米,120米和80米的井深进行模拟性能.
主要成果:
- 每个单位井深的热交换量随着深度的增加而减少.
- 入口部分的热交换比率随着深度的增加而增加.
- 更深的管道显示热交换效率的回报正在下降.
结论:
- 最佳井深是每米热交换,温度梯度和能源效率之间的平衡.
- 经济因素必须被整合到确定最有效的井深为U形垂直埋藏管道.
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