CJ/T 140-2001供热管道保温结构散热损失测试与保温效果评定方法.pdf

〔J 中华人 民共和国城镇建设行业标准 CJ/T140-2001 供热管道保温结构散热损失测试 与保温效果评定方法 Methodsmeasuringandevaluating heatlossandthermalinsulation ciency forthermalinsulationconstructionofheatingpipeline 2001一07门8发布 2001一12一01实施 中华人民共和国建设部 发 布 CJ/T 140-2001 目 次 前言 ·······，·········································································································…… m 1 范围 ·······················································································。···········。······一· 1 2 引用标准 ·····················，·················································································…… 1 3 术语 ··············································································································…… 1 4 测试分级和要求 ·····················································。········································。·… 1 5 测试方法 ·······························································。·······。···················。··········…… 2 6主要测试仪器、仪表及准确度要求·······.，···································…·…二‘二‘’二二‘二‘’二二‘二‘二‘’二6 7 测试工作程序 ····················································6 8 数据处理 ·······························。·······································································…… 7 9 测试 误差 ·9 10 测试报告 ·····································································································…… 9 附录A(标准的附录) 供热管道保温后的允许最大散热损失值表 ··································…… 10 附录B(标准的附录) 热流传感器表面热发射率与被测表面发射率不一致时的修正系数(I)表 ··… 10 附录C(提示的附录) 外护壳材料表面热发射率(的表 ··················································…… 11 附录D(标准的附录) 供热管道保温结构外表面总放热系数的计算 .·12 附录E(提示的附录) 供热管道沿线情况及气象资料调查表 ··········································…… 14 附录F(提示