提高水力机械模型效率试验精度方法探讨  

Discussion on the method for improving efficiency test accuracy of model hydraulic machinery

作　　者：徐洪泉[1] 张海平[1] 张建光[1] 陈莹[1] 

机构地区：[1]中国水利水电科学研究院 北京中水科水电科技开发有限公司,北京100038

出　　处：《中国水利水电科学研究院学报》2014年第2期202-205,共4页Journal of China Institute of Water Resources and Hydropower Research

摘　　要：在总结中国水利水电科学研究院水力机械模型试验台提高水轮机某些试验精度方法的基础上,根据对测试误差的来源分析,从完善测试设备原位标定系统和方法、减小标定误差及减小随机误差等3个方面提出了提高试验精度的措施方法。Based on the summary of some successful methods to improve the test accuracy of model tur-bine at the hydraulic machinery test station of China Institute of Water Resources and Hydropower Re-search, some useful methods are put forward to improve the test precision according to the analysis of the sources of measurement error. These methods include three aspects to perfect：the calibration systems of test equipments,reduce the calibration error and decrease the random error.

关 键 词：水力机械 模型试验 提高精度 标定 原级设备 相对误差 

分 类 号：TV131.63[水利工程—水力学及河流动力学]