基于文丘里引射效应的固-气复合储氢反应器放氢性能优化研究

王宇航; 阚晓雨; 高明; 尹智

doi:10.19666/j.rlfd.202506116

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基于文丘里引射效应的固-气复合储氢反应器放氢性能优化研究

新型发电技术 | 更新时间：2026-06-12

- 基于文丘里引射效应的固-气复合储氢反应器放氢性能优化研究
- 基于文丘里引射效应的固-气复合储氢反应器放氢性能优化研究
- 热力发电 2026年55卷第3期页码：130-137
- 作者机构：
  
  1. 中国矿业大学低碳能源与动力工程学院
  2. 山东大学核科学与能源动力学院
  3. 青岛康普锐斯能源科技有限公司
- 作者简介：
- 基金信息：
  
  中央高校基本科研业务费专项资金资助（2025QN1128）;山东省科技型中小企业创新能力提升工程（2025TSGCCZZB0196）~~
- DOI：10.19666/j.rlfd.202506116
  中图分类号： TQ052
- 纸质出版：2026
- 稿件说明：
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[1]王宇航,阚晓雨,高明,等.基于文丘里引射效应的固-气复合储氢反应器放氢性能优化研究[J].热力发电,2026,55(03):130-137.
[1]王宇航,阚晓雨,高明,等.基于文丘里引射效应的固-气复合储氢反应器放氢性能优化研究[J].热力发电,2026,55(03):130-137. DOI： 10.19666/j.rlfd.202506116.

DOI：10.19666/j.rlfd.202506116.

摘要

针对传统固-气复合储氢反应器中存在的流量调控困难与压力匹配不协调等问题，提出一种融合文丘里引射效应的新型反应器结构，构建多物理场耦合的数值模型，研究喷嘴结构参数及关键运行条件对放氢性能的影响，并与单一储氢方式进行对比分析。研究结果表明：喷嘴几何参数对引射性能具有显著的非线性影响，其中长度为9～13 mm、直径约为0.4 mm的喷嘴在稳定性与引射效率之间实现了较优权衡；高压氢入口压力的升高可提高瞬时流量输出，但会降低引射比；出口背压的升高虽有助于提升引射比，但抑制了气体射流能力与动态响应速度；提高固态储氢单元的热管理温度可加快初期释氢速率，但对中后期影响有限。在固、气复合比为1:1的条件下，该复合储氢方案较20 MPa气态储氢方案体积减少约34.4%，压缩能耗降低约41.7%；相较于单一固态储氢方案，热管理能耗减少约50.0%，展现出显著的能效协同优势。上述研究为固-气复合储氢反应器的结构优化与运行策略制定提供了理论基础与工程指导。

Abstract

To address the challenges of flow regulation and pressure mismatch in conventional solid-gas coupled hydrogen storage reactors

this study proposes a novel reactor configuration incorporating the Venturi entrainment effect. A multi-physics coupled numerical model is developed to investigate the influence of nozzle structural parameters and key operating conditions on hydrogen release performance

and comparative analyses are conducted against single-mode hydrogen storage systems. The results demonstrate that nozzle geometry has a significant nonlinear effect on entrainment performance. Specifically

a nozzle with a length of 9～13 mm and diameter of approximately 0.4 mm achieves an optimal balance between system stability and entrainment efficiency. Increasing the high-pressure hydrogen inlet pressure enhances the instantaneous flow rate but reduces the entrainment ratio. Higher outlet backpressure improves the entrainment ratio but suppresses the jet strength and dynamic response. Elevating the thermal management temperature of the solid-state hydrogen storage unit accelerates the initial hydrogen release rate

but its influence on the later stages is limited. With a solid-to-gas ratio of 1:1

the coupled hydrogen storage scheme reduces the volume by approximately 34.4% and the compression energy consumption by about 41.7% compared to a 20 MPa gaseous hydrogen storage scheme. Compared to the single-mode solidstate storage scheme

thermal management energy consumption of this coupled scheme reduces by nearly 50.0%

demonstrating a significant advantage in energy efficiency synergy. This study provides a theoretical foundation and engineering guidance for the structural optimization and operational strategy development of solid-gas coupled hydrogen storage reactors.

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