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针对地下换热管的热形变问题，提出采用应变测量法，通过建立受热管体形变位置与其应变的关系，实现利用管体轴向应变测量值推算管体热形变。研究表明，提出的应变测量方法与对比测量方法结果吻合良好，该方法可为进一步深入研究地下换热管热结构特性以及管土间隙和传热衰减等问题奠定基础。
地下换热器管体热形变测量方法及其应用
【摘 要】
：
针对地下换热管的热形变问题，提出采用应变测量法，通过建立受热管体形变位置与其应变的关系，实现利用管体轴向应变测量值推算管体热形变。研究表明，提出的应变测量方法与对比测量
【机 构】
：
吉林大学仿真与控制国家重点实验室,吉林大学热能工程系,吉林大学材料科学与工程学院
【出 处】
：
太阳能学报
【发表日期】
：
2015年6期
【基金项目】
：
国家自然科学基金
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