ICS27.140 K55 中华人民共和国能源行业标准 NB/T11004-2022 代替DL/T446-1991 水轮机和水泵水轮机模型验收试验规程 Codeofpracticeformodelacceptancetestsof hydraulicturbinesandpump-turbines 2022–11–04发布 2023–05–04实施NB 国家能源局发布NB/T11004—2022 I目次 前言.................................................................................................................................................................Ⅲ 引言...................................................................................................................................................................Ⅳ 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 3.1通用术语...................................................................................................................................................1 3.2特征尺寸...................................................................................................................................................2 3.3术语、符号和单位...................................................................................................................................3 4试验台和模型装置...........................................................................................................................................7 4.1模型验收试验台.....................................................................................................................................7 4.2模型和原型装置.....................................................................................................................................8 4.3尺寸检查.................................................................................................................................................8 5试验前的准备.....................................................................................................................................................9 5.1试验大纲和资料.....................................................................................................................................9 5.2试验台检查和测量仪器标定...............................................................................................................10 6试验内容和方法.............................................................................................................................................10 6.1一般规定...............................................................................................................................................10 6.2相似性要求...........................................................................................................................................10 6.3水力性能试验.......................................................................................................................................11 6.4力特性试验...........................................................................................................................................15 7保证值试验验证.............................................................................................................................................16 7.1一般规定...............................................................................................................................................16 7.2原型性能保证形式...............................................................................................................................16 7.3空化保证验证.......................................................................................................................................17 7.4压力脉动保证验证...............................................................................................................................17 8参数测量及不确定度......