GB/T 19843-2005工业通风机　射流风机的性能试验.pdf

ICS 23.120 7 72 中 华 人 民 共 和 国 国 家 标 准 GB/T 19843-2005/ISO13350:1999 工业通风机 射流风机的性能试验 Industrialfan-Performancetestingofjetfans (ISO13350:1999,IDT) 2005-07-11发布 2006-01-01实施 中华人民共和国国家质量监督检验检疫总局 中 国 国家 标 准 化 管 理 委 员 会 发 布 GB/T19843-2005/ISO 13350:1999 目 次 前言 .···········，··································，·········，，···············…… 皿 1 范围 ····································································，·········································…… 1 2 规范性引用文件 ····‘-，····，“·，·············，·····，，，，···· ，······························，，····…… 1 3 术语和定义 ···································································‘··········1 4 符号和单位 ·························，·············································，········，····················……3 5 测量的特性 ··，，·················4 6 仪器与测量 ····························································································，········……5 7 推力的确定 ···，，，········，··········，···········。··························································，，，·····，… 5 8 声级的测定 ···············································，···················································…… 9 9 振动速度的测定 ·········，······················································································…… 11 10 流量的确定 ··，····。 ·············，，·····‘··，，···。‘··，····。··············，，····，，，，···· ，，··，，… 12 11 结果表示 ························································································，·············…… 14 12 误差与换算规则 ········，·········，，····················‘，···········，······································…… 15 附录A(资料性附录) 基准噪声源的图示 ····························，·····································…… 17 附录B(资料性附录) 声压级的修正 .·18 附录