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首页> 外文期刊>International journal of hydrogen energy >Thermodynamic modeling of hydrogen refueling for heavy-duty fuel cell buses and comparison with aggregated real data
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Thermodynamic modeling of hydrogen refueling for heavy-duty fuel cell buses and comparison with aggregated real data

机译：重型燃料电池总线氢气加油的热力学建模与聚合真实数据的比较

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The foreseen uptake of hydrogen mobility is a fundamental step towards the decarbonization of the transport sector. Under such premises, both refueling infrastructure and vehicles should be deployed together with improved refueling protocols. Several studies focus on refueling the light-duty vehicles with 10 kg(H2) up to 700 bar, however less known effort is reported for refueling heavy-duty vehicles with 30-40 kg(H2) at 350 bar. The present study illustrates the application of a lumped model to a fuel cell bus tank-to-tank refueling event, tailored upon the real data acquired in the 3Emotion Project. The evolution of the main refueling quantities, such as pressure, temperature, and mass flow, are predicted dynamically throughout the refueling process, as a function of the operating parameters, within the safety limits imposed by SAE J2601/2 technical standard. The results show to refuel the vehicle tank from half to full capacity with an Average Pressure Ramp Rate (APRR) equal to 0.03 MPa/s are needed about 10 min. Furthermore, it is found that the effect of varying the initial vehicle tank pressure is more significant than changing the ambient temperature on the refueling performances. In conclusion, the analysis of the effect of different APRR, from 0.03 to 0.1 MPa/s, indicate that is possible to safely reduce the duration of half-to-full refueling by 62% increasing the APRR value from 0.03 to 0.08 MPa/s. (C) 2021 The Authors. Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC.
机译：预见的氢气流动性是朝向运输部门的脱碳的基本步骤。在此类场所，加油基础设施和车辆都应与改进的加油协议一起部署。几项研究专注于加油10千克（H2）高达700巴的轻型车辆，然而据报道，在350巴特将重型车辆加油，据报道，以30-40千克（H2）加油。本研究说明了将集总模型应用于燃料电池总线罐 - 坦克加油事件，根据在3偏换项目中获取的真实数据上量身定制。在通过SAE J2601 / 2技术标准施加的安全限制内，在整个加油过程中动态地预测主要加油量，例如压力，温度和质量流量，如压力，温度和质量流量。结果表明，将速度从一半到全容量从一半到全容量的平均压力斜坡（APRR）等于0.03MPa / s，是约10分钟。此外，发现改变初始车辆压力的效果比改变加油性能的环境温度更大。总之，分析不同APRR的效果，从0.03到0.1MPa / s，表明可以安全地降低半到完全加油的持续时间62％，从0.03增加0.03至0.08 mpa / s 。 （c）2021作者。 elsevier有限公司发布代表氢能出版物LLC。

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