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学者姓名：滕霖
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Abstract ：
碳捕集与封存技术(Carbon Capture and Storage,简称CCS)是实现"双碳目标"的托底技术,作为CCS技术链中间环节,高压管道运输是大规模和长距离输送二氧化碳(CO2)最经济的方式.目前,普遍认为超临界输送为最优输送相态.但我国地缘广阔,环境温度差别很大,在运输成本方面,外部条件对不同相态(超临界、密相)的CO2运输成本影响显著.为研究不同条件下的能耗影响因素,建立了CO2输送管道一维模型,模拟了不同条件下不同相态的运输管道.研究表明:环境温度、初始条件等对管道输送能耗均有不同的影响,得出在一定管径下,液态输送在环境温度-5℃以下更合适,而超临界输送在环境温度-5℃以上更合适.该研究可为不同环境温度下CO2管道输送工艺选择做参考.
Keyword ：
二氧化碳 二氧化碳 密相 密相 碳捕集与封存技术 碳捕集与封存技术 管道运输 管道运输 超临界 超临界 输送能耗 输送能耗
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| GB/T 7714 | 李凯旋 , 梁俊逸 , 刘斌 et al. 管道输送高压CO2能耗分析及相态选择研究 [J]. | 油气田地面工程 , 2025 , 44 (2) : 1-7 . |
| MLA | 李凯旋 et al. "管道输送高压CO2能耗分析及相态选择研究" . | 油气田地面工程 44 . 2 (2025) : 1-7 . |
| APA | 李凯旋 , 梁俊逸 , 刘斌 , 滕霖 . 管道输送高压CO2能耗分析及相态选择研究 . | 油气田地面工程 , 2025 , 44 (2) , 1-7 . |
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当液氨管道处于事故泄漏、停输超压或计划维护等情况时,可采用泄放的方式对管内液氨进行泄压回收.由于氨的高体积膨胀性,其泄放过程的节流效应会导致管内温度骤降,加剧管道受冷收缩和脆性断裂的风险.针对目前液氨管道泄放特性研究不足,参考国内外相关设计和运行参数,建立液氨管道泄放仿真模型,探讨管长、管径和操作条件(温度、压力)影响下的泄放特征参数发展规律.研究结果表明:随着管道长度减小,泄放初期管内压降和温降增大,泄放过程压力和温度随时间下降幅度增加;随着管径减小,泄放口初始压力和温度下降幅度增大,泄放时间和泄放最低温度减小;管道运行压力对整体泄放过程影响较小;管道运行温度越低,泄放口初始温降越大,泄放所需时间越长.研究成果将为液氨管道紧急泄放的安全控制和应急方案的制定提供重要依据.
Keyword ：
仿真模拟 仿真模拟 影响因素 影响因素 泄放 泄放 液氨管道 液氨管道 特征参数 特征参数
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| GB/T 7714 | 尹鹏博 , 林涌滨 , 滕霖 et al. 液氨管道泄放特性及影响因素研究 [J]. | 化学工程 , 2025 , 53 (2) : 78-83 . |
| MLA | 尹鹏博 et al. "液氨管道泄放特性及影响因素研究" . | 化学工程 53 . 2 (2025) : 78-83 . |
| APA | 尹鹏博 , 林涌滨 , 滕霖 , 李卫东 , 黄鑫 , 李臻超 et al. 液氨管道泄放特性及影响因素研究 . | 化学工程 , 2025 , 53 (2) , 78-83 . |
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将一定比例的氢气掺入天然气中并通过现有天然气管道进行输送是大规模输氢的有效方式.氢气点火能量低,爆炸范围广,扩散燃烧速度快,掺氢天然气发生燃烧爆炸事故的危害性较常规天然气更大.为探究掺氢天然气管道阀室发生泄漏后的燃烧爆炸规律,采用计算流体力学软件FLACS对受限空间内输气管道法兰连接处破损后混合气体的泄漏、扩散、燃烧、爆炸过程进行了模拟研究.结果表明:气体泄漏后爆炸时混合气体中氢气含量越高,泄漏后气云点火时间越长,爆炸的强度及危害程度越大;顺风向气云爆燃强度显著强于逆风向气云燃爆强度;不同阀室结构会产生不同强度的爆炸超压,泄爆墙对降低阀室燃爆危害的作用有限,露天阀室和棚式阀室结构产生的爆炸危害较小.
Keyword ：
FLACS FLACS 掺氢天然气 掺氢天然气 燃烧爆炸 燃烧爆炸 管道输氢 管道输氢 阀室 阀室
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| GB/T 7714 | 廖丽君 , 杨杨 , 李卫东 et al. 掺氢天然气管道阀室泄漏爆炸规律研究 [J]. | 西安石油大学学报（自然科学版） , 2025 , 40 (1) : 106-114 . |
| MLA | 廖丽君 et al. "掺氢天然气管道阀室泄漏爆炸规律研究" . | 西安石油大学学报（自然科学版） 40 . 1 (2025) : 106-114 . |
| APA | 廖丽君 , 杨杨 , 李卫东 , 李慧源 , 谢镔 , 单志伟 et al. 掺氢天然气管道阀室泄漏爆炸规律研究 . | 西安石油大学学报（自然科学版） , 2025 , 40 (1) , 106-114 . |
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The sequential co-transportation of ammonia and refined oil has emerged as an efficient strategy to address the growing demand for large-scale onshore ammonia transportation. The interfacial characteristics between these fluids critically govern the evolution of the ammonia-oil mixing zone, which can directly affect the purity of ammonia and oil products. In this work, molecular dynamics simulations were employed to investigate the effect of temperature and pressure on the interfacial characteristics between ammonia and refined oil, with isooctane as the representative of refined oil. The results demonstrated that the increased temperature (280-300 K) and the decreased pressure (2-50 MPa) can disrupt the interfacial molecules, causing the ammonia-isooctane interface to become thicker and rougher. Under high temperature and low pressure, the voids at the interface of the isooctane phase can be expanded, and the ammonia-ammonia hydrogen bonds can be weakened, which can enhance the diffusion of ammonia molecules into the isooctane phase. Besides, the diffusion of ammonia molecules in ammonia phase can be promoted under high temperature and low pressure, and the diffusion coefficient of interfacial ammonia in the direction perpendicular to the interface is 1.4-1.8 times that of bulk ammonia in all directions and that of interfacial ammonia in the direction parallel to the interface. In addition, the increase in the thickness and roughness of the interface can lead to a decrease in the interfacial tension.
Keyword ：
Ammonia Ammonia Interfacial characteristics Interfacial characteristics Interfacial tension Interfacial tension Molecular dynamics simulation Molecular dynamics simulation
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| GB/T 7714 | Teng, Lin , Liu, Yi , Li, Zhenchao et al. The effect of temperature and pressure on the interfacial characteristics between ammonia and refined oil: A molecular dynamics simulation study [J]. | CHEMICAL ENGINEERING SCIENCE , 2025 , 320 . |
| MLA | Teng, Lin et al. "The effect of temperature and pressure on the interfacial characteristics between ammonia and refined oil: A molecular dynamics simulation study" . | CHEMICAL ENGINEERING SCIENCE 320 (2025) . |
| APA | Teng, Lin , Liu, Yi , Li, Zhenchao , Rao, Shihang , Huang, Xin , Li, Jiaqing et al. The effect of temperature and pressure on the interfacial characteristics between ammonia and refined oil: A molecular dynamics simulation study . | CHEMICAL ENGINEERING SCIENCE , 2025 , 320 . |
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Ammonia is a high-efficiency and safe hydrogen storage medium. Pipeline transport offers significant economic benefits for long-distance ammonia transportation. However, due to ammonia's toxicity, accidental leaks during transportation can lead to catastrophic consequences. Therefore, a comprehensive understanding of the dispersion characteristics of liquid ammonia pipeline leaks is essential for safety measures. Prior studies focused on the ammonia dispersion over flat terrain, leaving a gap in understanding the impact of diverse terrains on dispersion dynamics. This study introduces a computational fluid dynamics model to simulate ammonia dispersion over complex terrain, quantifying the influence of topographical features on dispersion consequence distances. Firstly, validation of the numerical model is conducted using a custom-built open-circuit wind tunnel test platform. Secondly, the dispersion of ammonia is analyzed over six representative terrains, highlighting the influence of complex topographies on the consequence distances. Additionally, the effects of leakage flow rate, atmospheric stability, and leakage direction on dispersion over flat terrain are examined. Finally, a comprehensive assessment of potential risks associated with liquid ammonia pipeline leaks across various terrains is provided by the synthesis and analysis. The results indicate that flat terrain simulations cannot conservatively estimate consequence distances for most terrains. Therefore, incorporating local terrain data in dispersion simulations is recommended to determine the impact area accurately.
Keyword ：
Ammonia-Hydrogen energy Ammonia-Hydrogen energy Ammonia release Ammonia release CFD modelling CFD modelling Complex terrain Complex terrain Dispersion Dispersion Liquid ammonia pipeline Liquid ammonia pipeline
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| GB/T 7714 | Teng, Lin , Wang, Kangkang , Liu, Bin et al. The consequence distance of liquid ammonia release from a pipeline in complex terrain [J]. | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2025 , 196 . |
| MLA | Teng, Lin et al. "The consequence distance of liquid ammonia release from a pipeline in complex terrain" . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 196 (2025) . |
| APA | Teng, Lin , Wang, Kangkang , Liu, Bin , Li, Weidong , Yin, Pengbo , Li, Zhenchao et al. The consequence distance of liquid ammonia release from a pipeline in complex terrain . | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION , 2025 , 196 . |
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With societal and economic development, ammonia has become an important product in the chemical industry, gaining increased importance among energy sources as a carrier for hydrogen storage and transportation. As liquid ammonia transportation through pipelines generally occurs at medium to low pressures, the leakage process involves complex jet evaporation. In this study, the temporal changes in a vertically leaking liquid ammonia solution were simulated and the variations in velocity, temperature, and concentration fields in the near-field region of the liquid ammonia leakage were analyzed. The results show that when liquid ammonia leaks under 2 MPa and 20 degrees C from a 20 mm leakage hole to a 25 degrees C atmosphere, an ammonia cloud core forms at 17.54 m from the leakage hole in 1 s. By analyzing the changes in ammonia velocity, concentration, and temperature during the process, the leakage process of liquid ammonia can be divided into four stages: the initial leakage, air entrainment, cloud formation, and cloud dispersion stages. The liquid ammonia leakage process is more sensitive to changes in pore size and has a greater impact on the shape of the ammonia cloud. Pressure has a weaker effect on the leakage process and mainly affects the liquid ammonia jet velocity during the initial leakage stage.
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| GB/T 7714 | Bian, Jiang , Yu, Bo , Wu, Shichuan et al. Near-field vertical diffusion of liquid ammonia leakage [J]. | PHYSICS OF FLUIDS , 2025 , 37 (3) . |
| MLA | Bian, Jiang et al. "Near-field vertical diffusion of liquid ammonia leakage" . | PHYSICS OF FLUIDS 37 . 3 (2025) . |
| APA | Bian, Jiang , Yu, Bo , Wu, Shichuan , Chen, Junwen , Teng, Lin , Cao, Xuewen . Near-field vertical diffusion of liquid ammonia leakage . | PHYSICS OF FLUIDS , 2025 , 37 (3) . |
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The temperature-dependent mechanisms for hydrogen-induced embrittlement and electrochemical corrosion in Ni-based superalloy 600 have been unravelled by means of tensile tests and potentiodynamic polarization tests under electrochemical environment. Increasing temperature accelerates electrochemical corrosion behaviour and induces the transition into intergranular corrosion, whereas there exists critical temperature THE, max, in which hydrogen-induced ductility loss reaches its peak. Detailed electron microscopy and thermal desorption spectroscopy analysis demystify that intergranular brittle fracture at THE, max is predominantly driven by hydrogen-dislocation-grain boundary interactions, compounded by high diffusible hydrogen content. These findings offer new insights into the critical role of temperature in modulating hydrogen embrittlement and corrosion, contributing to the design of materials in hydrogen environment.
Keyword ：
Hydrogen-dislocation-grain boundary Hydrogen-dislocation-grain boundary Hydrogen-induced brittle fracture Hydrogen-induced brittle fracture interaction interaction Intergranular corrosion Intergranular corrosion Ni-based superalloy Ni-based superalloy Temperature threshold Temperature threshold
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| GB/T 7714 | Li, Jiaqing , Yu, Xi , Zheng, Zhiye et al. Temperature-driven mechanisms of hydrogen embrittlement and electrochemical corrosion in Ni-based superalloy 600 [J]. | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T , 2025 , 35 : 6715-6727 . |
| MLA | Li, Jiaqing et al. "Temperature-driven mechanisms of hydrogen embrittlement and electrochemical corrosion in Ni-based superalloy 600" . | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 35 (2025) : 6715-6727 . |
| APA | Li, Jiaqing , Yu, Xi , Zheng, Zhiye , Lu, Kai , Teng, Lin , Ding, Yu et al. Temperature-driven mechanisms of hydrogen embrittlement and electrochemical corrosion in Ni-based superalloy 600 . | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T , 2025 , 35 , 6715-6727 . |
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氨作为高效的储氢载体,具有替代化石燃料能源的巨大潜力.利用成品油管道增输液氨,可充分利用管道运能,节约输送成本.液氨-成品油混合体系的相平衡问题对于管输工艺具有重要意义,此外减压过程会引起更为复杂的相变问题.针对液氨-成品油混合体系进行实验研究,初步阐述了氨/油(体积比)和含水率对液氨-成品油混合体系相平衡和减压相变的影响规律,得到了液氨-成品油混合体系的相平衡压力,揭示了液氨-成品油混合体系减压过程的相变现象.研究发现,在0～30℃,氨-油混合体系的平衡蒸气压小于两种纯组分的饱和蒸气压,而在-2～0℃大于纯液氨的饱和蒸气压,并在氨/油(体积比)为70∶30时达到最大值.同时水分的存在会降低氨-油混合体系的平衡蒸气压.氨-油无水混合体系在减压过程中会产生气泡,压力越低气泡增多,发泡行为越剧烈.含水液氨-成品油混合体系在减压过程中会产生液滴群,并慢慢变大且聚并,在减压结束后聚并形成大液滴留在底部.上述研究成果对成品油管道增输液氨技术发展和应用具有重要的理论指导意义.
Keyword ：
成品油 成品油 液氨 液氨 相变 相变 相平衡 相平衡
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| GB/T 7714 | 黄鑫 , 李逸龙 , 李卫东 et al. 液氨-成品油混合体系相平衡及减压相变规律研究 [J]. | 化工学报 , 2025 , 76 (1) : 71-80 . |
| MLA | 黄鑫 et al. "液氨-成品油混合体系相平衡及减压相变规律研究" . | 化工学报 76 . 1 (2025) : 71-80 . |
| APA | 黄鑫 , 李逸龙 , 李卫东 , 施鸿翔 , 尹鹏博 , 李臻超 et al. 液氨-成品油混合体系相平衡及减压相变规律研究 . | 化工学报 , 2025 , 76 (1) , 71-80 . |
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【目的】在“双碳”背景下，氨作为无碳富氢的能源载体，体积能量密度高、易液化存储，具有广阔的发展前景。然而复杂的储运环境增加了液氨储罐和管道腐蚀的风险，因此，研究复杂输送环境下液氨腐蚀问题是“氨-氢”能源基础设施制造和安全服役的关键。【方法】通过综述液氨腐蚀的研究进展，探讨了不同环境、不同材料的氨腐蚀行为和应力腐蚀开裂机制。同时，总结了相关氨腐蚀检测方法和具体防护措施，并展望了未来氨腐蚀研究的发展方向。【结果】氧气、碳氧化合物、硫化物及氯化物的混入对氨腐蚀有促进作用，而水杂质对氨腐蚀的影响具有两面性；应力能够引起液氨应力腐蚀开裂，不同材料的应力腐蚀敏感性从大到小依次为铜及其合金、高强钢、碳钢。【结论】基于国内对液氨腐蚀行为机理尚不明确、氨腐蚀防护措施有待完善等问题，提出以下建议：(1)采用实验研究、仿真模拟等方法，探究多杂质关联作用下不同材质的液氨腐蚀行为和内在腐蚀机理；(2)需结合液氨管道实际输送环境及材料失效特征，开展管线钢及焊材-液氨临界失效边界检验与腐蚀风险评价；(3)从液氨储罐及管道的设计、选材、制造、使用等多个角度，结合多种腐蚀防腐措施，形成完善的液氨储运系统腐蚀控制、防护及评价标准体系。（图5，表2，参77）
Keyword ：
应力腐蚀 应力腐蚀 液氨储运 液氨储运 环境腐蚀 环境腐蚀 腐蚀检测 腐蚀检测 防护技术 防护技术
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| GB/T 7714 | 李加庆 , 冯智雨 , 梁辉龙 et al. 复杂输送环境下液氨腐蚀行为及防护技术研究进展 [J]. | 油气储运 , 2024 , 43 (02) : 121-133,162 . |
| MLA | 李加庆 et al. "复杂输送环境下液氨腐蚀行为及防护技术研究进展" . | 油气储运 43 . 02 (2024) : 121-133,162 . |
| APA | 李加庆 , 冯智雨 , 梁辉龙 , 尹鹏博 , 滕霖 , 陈崇启 et al. 复杂输送环境下液氨腐蚀行为及防护技术研究进展 . | 油气储运 , 2024 , 43 (02) , 121-133,162 . |
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【目的】绿氨作为氢能的优质载体，生产工艺无碳化的优势使其成为实现碳中和目标的备选能源之一，因此绿氨终端站的布局与建设对促进氢能产业链的快速发展具有重要作用，有利于推动社会能源结构的绿色转型。【方法】概述了氨的性质：氨作为高效的储能与储氢介质，具有高能量密度、易储运、终端站无碳排放、安全性高等特点，能够显著降低储氢、运氢、用氢的成本，并可提高能源安全性。分析了氨用于储氢与储能介质具有的能量密度高、安全、长时储能等优势，调研了全球多国的氨氢项目发展与贸易情况，论述了全球快速增长的绿氨产能及需求，总结了目前氨能的贸易现状与终端站建设情况；对比目前成熟的LNG接收站相关工艺技术，详细介绍了绿氨终端站的关键工艺及技术，包括终端站绿氨存储工艺系统、液氨蒸发气处理工艺系统、终端站加注及卸载工艺系统。【结果】提出绿氨终端站的安全性问题，深入剖析了终端站液氨泄漏导致的毒性、燃烧爆炸性等危害，并给出了预防及防护措施。【结论】从化肥行业到能源领域，绿氨终端站技术的研究与发展对促进绿色能源氢能的利用具有重要意义，未来绿氨终端站的数量与规模将持续增加以适应新时代的需求，同时可以考虑改造LNG接收站等大宗能源及化工品储运设施以降低成本。（图5，表3，参59）
Keyword ：
储氢载体 储氢载体 接收工艺 接收工艺 接收终端 接收终端 液氨泄漏 液氨泄漏 碳中和 碳中和 绿氢 绿氢 绿氨 绿氨 绿色能源 绿色能源
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| GB/T 7714 | 滕霖 , 林崴 , 尹鹏博 et al. 碳中和目标下绿氨终端站储运技术发展现状及趋势 [J]. | 油气储运 , 2024 , 43 (01) : 1-11 . |
| MLA | 滕霖 et al. "碳中和目标下绿氨终端站储运技术发展现状及趋势" . | 油气储运 43 . 01 (2024) : 1-11 . |
| APA | 滕霖 , 林崴 , 尹鹏博 , 李卫东 , 黄鑫 , 李加庆 et al. 碳中和目标下绿氨终端站储运技术发展现状及趋势 . | 油气储运 , 2024 , 43 (01) , 1-11 . |
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