V2EX air barrier

Air Barrier

释义 Definition

Air barrier空气阻隔层/气密层。指建筑围护结构中用来阻止空气渗漏(漏风)的一层材料或系统,以减少能量损失、冷凝风险并提升舒适度与室内空气质量。(不同于 vapor barrier “隔汽层”,后者主要控制水蒸气扩散。)

发音 Pronunciation (IPA)

/er brir/

例句 Examples

The contractor installed an air barrier around the windows.
承包商在窗户周围安装了气密层。

A continuous air barrier, properly sealed at every joint, can significantly reduce drafts and prevent moisture problems inside the wall assembly.
连续的气密层如果在每个接缝处都正确密封,就能显著减少穿堂风,并防止墙体构造内部出现湿气问题。

词源 Etymology

air(空气) + barrier(屏障、阻隔物) 组合而成,字面意思是“阻挡空气的屏障”。在建筑节能与建筑物理语境中逐渐固定为术语,强调控制空气渗透而非单纯“挡风”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • ASHRAE HandbookFundamentals(美国采暖、制冷与空调工程师学会《基础手册》):在围护结构与能耗章节中频繁使用 air barrier 讨论渗漏与负荷计算。
  • Joseph Lstiburek(乔利斯提伯里克)等的建筑围护结构/建筑科学著作与指南(如 Builder’s Guide 系列、Building Science 类出版物):常以 air barrier 为核心概念讲解气密连续性与节点密封。
  • *International Energy Conservation Code (IECC)*(《国际节能规范》)及相关合规指南:在建筑气密性要求中使用 air barrier 作为法规术语。
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