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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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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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Abstract ：
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 droplet dynamic model under an electric field is established in this paper by coupling electric equations, multiphase flow equations, and isoAdvector interface capture method, accurately predicting the deformation and rupture characteristics of multiple emulsion droplets affected by an electric field. The evolutions of the flow field and electric field during the deformation and breakup processes of multiple emulsion droplets subjected to an electric field are elucidated and the effects of the electric capillary number Ca and the radius ratio R* of the inner and outer droplets on the characteristics of droplet deformation and rupture are analyzed. The results show that in the silicone oil/water emulsion system, the inner droplet is difficult to induce charge since the electrostatic shielding effect of the outer droplet, and it has no impact on the equilibrium deformation of the outer droplet; whereas in the castor oil/silicone oil emulsion system, the charge is induced on the interfaces of both the internal and external droplets and the internal droplet has a remarkable impact on the equilibrium deformation of the external droplet. Furthermore, deformation-breakup phase diagrams of multiple emulsion droplets exposed to the electric field are obtained. As R* increases, the Cac for droplet breakup decreases, indicating that the internal droplet intensifies the breakup of the external droplet. The results are significant for the promotion and application of electric field-driven droplet manipulation technology.
Keyword ：
Breakup Breakup Deformation Deformation Electric field Electric field isoAdvector isoAdvector Multiple emulsion Multiple emulsion
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| GB/T 7714 | Huang, Xin , Lu, Yijia , Li, Yilong et al. The isoAdvector method for simulating deformation and breakup of multiple emulsion droplets responding to a DC electric field [J]. | JOURNAL OF ELECTROSTATICS , 2024 , 129 . |
| MLA | Huang, Xin et al. "The isoAdvector method for simulating deformation and breakup of multiple emulsion droplets responding to a DC electric field" . | JOURNAL OF ELECTROSTATICS 129 (2024) . |
| APA | Huang, Xin , Lu, Yijia , Li, Yilong , Luo, Xiaoming , Teng, Lin , Li, Weidong et al. The isoAdvector method for simulating deformation and breakup of multiple emulsion droplets responding to a DC electric field . | JOURNAL OF ELECTROSTATICS , 2024 , 129 . |
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In the study of self-ignition during pressurized hydrogen release, the morphology of the rupture disk alters the flow and mixing processes of the gas jet, as well as the development of shock waves, thereby affecting the occurrence of self-ignition. This study employs the LES method based on the RNG-SGS model, EDC model, and NUIMech1.1 H2 combustion mechanism to investigate the flow mixing, shock wave development, and selfignition phenomena under three different the rupture disk morphologies. The research findings indicate that as the growth trend of the rupture disk rupture ratio increases, the propagation speed of shock waves within the tube and the compression speed of the air and hydrogen-air mixing region accelerate, resulting in an earlier occurrence of self-ignition. A more complex rupture morphology leads to higher mixing rates between hydrogen and air and increased complexity of shock waves. Self-ignition initially occurs in the fuel-lean region of the boundary layer, followed by ignition at the center of the tube. The characteristic number of rupture disk is proposed to describe its impact on the self-ignition time. The competitive relationship between the two elementary reaction pathways of oxygen influences the development of the flame.
Keyword ：
High pressure High pressure Hydrogen release Hydrogen release Safety Safety Self-ignition Self-ignition Shock wave Shock wave
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| GB/T 7714 | Li, Hao , Cao, Xuewen , Cao, Hengguang et al. Impact of rupture disk morphology on self-ignition during pressurized hydrogen release: A numerical simulation study [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 84 : 863-880 . |
| MLA | Li, Hao et al. "Impact of rupture disk morphology on self-ignition during pressurized hydrogen release: A numerical simulation study" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 84 (2024) : 863-880 . |
| APA | Li, Hao , Cao, Xuewen , Cao, Hengguang , Xu, Zhongying , Teng, Lin , Bian, Jiang . Impact of rupture disk morphology on self-ignition during pressurized hydrogen release: A numerical simulation study . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 84 , 863-880 . |
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The evaporation characteristics of a sessile droplet under a direct current electric field were numerically investigated, and a numerical model was developed based on the arbitrary Lagrange-Euler method, combining the flow, heat transfer, vapour transport, and electrostatic equations. The simulations were validated to be in good agreement with previously reported experiments. The results demonstrate that the electric field can enhance the evaporation of the sessile droplet with different evaporative cooling numbers (initial electric field intensity E0 = 280 kV & sdot;m 1; 32.9% decrease in the evaporation time for water) by the following three methods: increasing the surface area of the droplet evaporation (2.6%) through the electric-field-induced deformation, improving the heat transfer efficiency between the droplet and substrate (droplet average temperature increases by 2.3 K) through the internal vortex, and by enhancing the shearing effect on the vapour layer (450.3% increase in vapour diffusion distance dc) through the external vortex. Additionally, the evaporation of a sessile water droplet undergoing thermocapillary convection is further enhanced under the electric field (E0 = 280 kV & sdot;m 1; 20.0% decrease in the evaporation time). As the inhomogeneous temperature distribution inside the droplet was eliminated by thermocapillary convection, the evaporation efficiency was dominated by the increased surface area of the droplet evaporation and the enhanced shearing effect on the vapour layer. These results will provide a better understanding of the electro-hydrodynamic enhanced droplet evaporation.
Keyword ：
ALE ALE Droplet deformation Droplet deformation Droplet evaporation Droplet evaporation Electric field Electric field Numerical simulation Numerical simulation
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| GB/T 7714 | Wang, Weifeng , Huang, Xin , Wang, Liangxu et al. Study on the mechanism of sessile droplets evaporation enhanced by the electric field [J]. | CHEMICAL ENGINEERING SCIENCE , 2024 , 288 . |
| MLA | Wang, Weifeng et al. "Study on the mechanism of sessile droplets evaporation enhanced by the electric field" . | CHEMICAL ENGINEERING SCIENCE 288 (2024) . |
| APA | Wang, Weifeng , Huang, Xin , Wang, Liangxu , Teng, Lin , Luo, Xiaoming , Li, Weidong et al. Study on the mechanism of sessile droplets evaporation enhanced by the electric field . | CHEMICAL ENGINEERING SCIENCE , 2024 , 288 . |
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Excessive electric field strength causes the droplets to contact but not coalesce, severely deteriorating the oil-water separation efficiency. The investigation of the non-coalescence of nonidentical droplets in oil under a DC electric field is conducted using high-speed photography. The effects of droplet volume ratio and interfacial tension ratio on the characteristics and critical parameters for droplet non-coalescence are systematically explored. The results show the critical electrocapillary number for the non-coalescence of nonidentical droplets and critical contact cone angle decreases as the volume sum increases or the interfacial tension ratio decreases, which is related to the competition between the resultant electric field force and the interfacial tension force. These results contribute to optimizing the operating parameters of the electric coalescer and improving the oil-water separation efficiency.
Keyword ：
capillary pressure difference capillary pressure difference droplet droplet electric field electric field liquid bridge liquid bridge nonidentical non-coalescence nonidentical non-coalescence
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| GB/T 7714 | Huang, Xin , Chen, Mindan , Huang, Yunyun et al. Non-coalescence of nonidentical droplets in oil under a DC electric field [J]. | AICHE JOURNAL , 2024 , 70 (8) . |
| MLA | Huang, Xin et al. "Non-coalescence of nonidentical droplets in oil under a DC electric field" . | AICHE JOURNAL 70 . 8 (2024) . |
| APA | Huang, Xin , Chen, Mindan , Huang, Yunyun , Luo, Xiaoming , Teng, Lin , Xiao, Longqiang et al. Non-coalescence of nonidentical droplets in oil under a DC electric field . | AICHE JOURNAL , 2024 , 70 (8) . |
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碳中和背景下,氨-氢混合无碳燃料备受关注,但合成氨与氨分解制氢过程也存在着氨-氢混合燃爆的风险.目前对氨-氢燃烧爆炸详细机理的研究不够充分,传统的详细机理十分复杂,计算耗时过长.为了研究高压下氨-氢混合气体的燃烧爆炸特性,使用零维均质模型(即不考虑空间分布且物理和化学性质均为均匀的简化模型),采用带有误差传播的有向关系图(DRGEP)法简化现有的氨-氢燃烧爆炸详细机理,再通过敏感性分析得到基元反应较少的氨-氢燃烧爆炸简化机理.将简化机理与计算流体动力学(CFD)模型耦合,开展管道内氨-氢燃烧数值模拟.结果表明,简化机理在验证层流火焰速度和点火延迟时间等方面表现出良好的性能.在爆破压力为 59.61 atm 和 69.97 atm下,平均激波速度的相对误差低于 1.4%,精度较高;且与简化机理耦合的CFD模型节约了计算资源.研究成果有助于推动氨-氢燃烧CFD模拟技术的发展,可为氨-氢混合无碳燃料的燃烧过程及爆炸防控提供理论指导.
Keyword ：
化学动力学 化学动力学 反应机理 反应机理 数值模拟 数值模拟 氨氢燃烧 氨氢燃烧 爆炸 爆炸 简化机理 简化机理
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| GB/T 7714 | 滕霖 , 单志伟 , 李西贵 et al. 基于化学反应动力学的氨-氢混合无碳燃料燃烧爆炸机理研究 [J]. | 油气与新能源 , 2024 , 36 (1) : 72-81 . |
| MLA | 滕霖 et al. "基于化学反应动力学的氨-氢混合无碳燃料燃烧爆炸机理研究" . | 油气与新能源 36 . 1 (2024) : 72-81 . |
| APA | 滕霖 , 单志伟 , 李西贵 , 李卫东 , 罗宇 , 江莉龙 . 基于化学反应动力学的氨-氢混合无碳燃料燃烧爆炸机理研究 . | 油气与新能源 , 2024 , 36 (1) , 72-81 . |
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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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