压力容器2025，Vol.42Issue(2)：29-37,9.DOI:10.3969/j.issn.1001-4837.2025.02.004
35MPa大容积氢瓶的快速加注技术研究
Research on rapid refueling technology for 35 MPa large-capacity hydrogen cylinders
摘要
Abstract
To address the issue of refueling rate limitation and prolonged refueling time caused by temperature rise during hydrogen cylinder refueling in fuel cell vehicles(especially heavy-duty trucks with large hydrogen storage capacity),a high-precision numerical model for temperature rise prediction in high-pressure hydrogen cylinder refueling was established.Using computational fluid dynamics software Fluent,simulations were conducted for 35 MPa,385 L large-capacity hydrogen cylinders in heavy-duty trucks to investigate the temperature distribution patterns during refueling and the effects of different pressure ramp-up rates,ambient temperatures,and initial pressures on gas temperature rise.Simulation results indicate that the final cylinder temperature increases nonlinearly with pressure ramp-up rate and shows linear correlations with ambient temperature and initial pressure.Theoretical calculations can predict final gas temperatures under different ambient temperatures and initial pressures,enabling optimal refueling strategy selection.For summer refueling scenarios with 40℃ambient temperature where overheating occurs,a temperature control strategy was proposed.By regulating pressure ramp-up rates and pre-cooling temperature/duration,safe and rapid refueling within 3 minutes is achieved with minimal energy consumption.This study provides theoretical support for refueling fuel cell heavy-duty trucks equipped with large-capacity hydrogen cylinders.关键词
大容积氢瓶/温升/快速加注技术/数值模拟Key words
large-capacity hydrogen cylinder/temperature rise/rapid refueling technology/numerical simulation分类
机械工程引用本文复制引用
燕泽英,唐小龙,杨锋,李力军,王昕雨,王翔,许嘉威,纪孟菲,赵强..35MPa大容积氢瓶的快速加注技术研究[J].压力容器,2025,42(2):29-37,9.基金项目
国家重点研发计划项目(2021YFB4000800) （2021YFB4000800）
