计量学报2024，Vol.45Issue(8)：1155-1161,7.DOI:10.3969/j.issn.1000-1158.2024.08.10
基于OpenFOAM的氢气音速喷嘴流出特性研究
OpenFOAM-based Study of Hydrogen Sonic Nozzle Outflow Characteristics
摘要
Abstract
The OpenFOAM numerical simulations,combined with the experimental measurements of the high-pressure pVTt gas flow standard device of the National Institute of Metrology,was conducted for the three sonic nozzles with throat diameters of 0.32 mm,1.01 mm and 3.20 mm.The effect of flow state and metrological characteristics resulted from gas media were quantitively investigated within the laminar flow range of 4.14×103～8.21×105 throat Reynolds number.The results show that the difference of discharge coefficients between hydrogen and helium is within 1.14％,while the difference of discharge coefficients between hydrogen and air is within 0.45％.关键词
流量计量/音速喷嘴/流出系数/OpenFOAM/数值模拟Key words
flow measurement/sonic nozzle/discharge coefficient/OpenFOAM/numerical simulation分类
通用工业技术引用本文复制引用
项裕涵,黄震威,李春辉,曹培娟,谢代梁..基于OpenFOAM的氢气音速喷嘴流出特性研究[J].计量学报,2024,45(8):1155-1161,7.基金项目
浙江省科技计划项目(2022C01244) （2022C01244）
