计量学报2023，Vol.44Issue(12)：1827-1833,7.DOI:10.3969/j.issn.1000-1158.2023.12.07
基于AMEsim柱塞压力发生器液体压力传递特性研究
Research on Liquid Pressure Transfer Characteristics in Plunger Pressure Generator Based on AMEsim
屠岩 1朱海清 1沈晓东 1沈伟 2方明2
作者信息
- 1. 江南大学 机械工程学院, 江苏 无锡 214122
- 2. 嘉兴市计量检定测试院, 浙江 嘉兴 314001
- 折叠
摘要
Abstract
In order to obtain the relationship between the plunger displacement of the pressure generator and the output pressure,and to achieve the accurate control of the output pressure,the pressure generation system is first modeled mathematically.Then,based on the effective volumetric elastic modulus model of AMEsim,a new interpolation polynomial function of oil gas content is established to solve the derivative mutation problem in the middle position of saturated vapor pressure and air separation pressure.Then,the influence of air content and temperature on the system pressure transfer process is simulated and analyzed.The results show that the system is greatly affected by air content,but less affected by temperature.For every 0.5%increase in air content,the response time and stabilization time of the system will lag about 0.7 seconds,and the displacement of the plunger used to compress the oil bubble will increase about 20 mm.Finally,by comparing the simulation and measurement results,it is known that the pressure generation system is affected by the air content,the time consumption and response error of the booster section are generally greater than that of the buck section,and the pressure fluctuation of each measuring point is within the range of±0.03 MPa when the pressure is maintained for5 s.关键词
计量学/压力表检定/柱塞压力发生器/有效体积弹性模量/压力传递/AMEsimKey words
metrology/pressure gauge verification/plunger pressure generator/effective volumetric elastic modulus/pressure transmission/AMEsim分类
通用工业技术引用本文复制引用
屠岩,朱海清,沈晓东,沈伟,方明..基于AMEsim柱塞压力发生器液体压力传递特性研究[J].计量学报,2023,44(12):1827-1833,7.
