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学者姓名：刘曦
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In our previous studies of Cr-coated Zr alloy cladding, models for the oxidation and degradation of Cr coating and for the oxidation and phase transformation of Zr alloy have been established. On these foundations, oxygen flux models for Cr-Zr non-eutectic and eutectic conditions are developed in this paper, enabling a comprehensive simulation of the oxidation processes of Cr-coated Zr alloy. The models are validated through oxidation experiments under isothermal and temperature ramp conditions, showing good agreement with the experimental data. The models can effectively simulate the processes where, under non-eutectic conditions, oxygen atoms first dissolve into the prior beta-Zr matrix after coating degradation, followed by the formation of alpha-Zr(O) and eventually ZrO2. For conditions with eutectic reaction, model assumption of immediate complete coating failure could lead to overestimation of substrate oxidation extent at low heating rates. This prediction deviation decreases as heating rate increases.
Keyword ：
Cr-coated Zr alloy Cr-coated Zr alloy Diffusion Diffusion High-temperature oxidation High-temperature oxidation Model development Model development Oxygen flux Oxygen flux
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| GB/T 7714 | Wang, Dong , Wu, Shihao , Lu, Kai et al. High-temperature oxidation of accident tolerant Cr-coated Zr alloy cladding: Model development and validation [J]. | JOURNAL OF NUCLEAR MATERIALS , 2025 , 606 . |
| MLA | Wang, Dong et al. "High-temperature oxidation of accident tolerant Cr-coated Zr alloy cladding: Model development and validation" . | JOURNAL OF NUCLEAR MATERIALS 606 (2025) . |
| APA | Wang, Dong , Wu, Shihao , Lu, Kai , Zhang, Yapei , Su, G. H. , Liu, Xi . High-temperature oxidation of accident tolerant Cr-coated Zr alloy cladding: Model development and validation . | JOURNAL OF NUCLEAR MATERIALS , 2025 , 606 . |
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This study conducted experiments to compare the desalination efficiency of gravity and centrifugal desalination methods for freezing desalination, showing the superiority of centrifugal desalination. Moreover, through experiments on supercooled water production, it was determined that supercooled water can operate stably at an evaporator temperature of −4.5 °C, and its supercooling state can be released using ultrasound. Based on the experimental results, a novel system that combines freezing desalination with ice storage is proposed. The proposed system utilizes supercooled water for ice production and centrifugal post-treatment, using desalinated ice as a cold storage medium to integrate desalination and ice storage. The proposed system showed a 30 % lower total capital cost compared to conventional systems, with a payback period of 38.18 % lower than conventional system (5.42 years). Additionally, the system demonstrated optimal economic performance when utilizing 80 % of its ice storage capacity, with a payback period of 3.38 years, contrasting with 7.62 years when utilizing 20 % storage capacity. The application of this system in four regions with varying peak and off-peak electricity prices, including Guangdong, Fujian, Hainan, and, France revealed that the system demonstrates greater economic viability in areas with significant disparities in electricity pricing. © 2024 Elsevier Ltd
Keyword ：
Centrifugation Centrifugation Cold storage Cold storage Costs Costs Desalination Desalination Economic analysis Economic analysis Freezing Freezing Ice Ice Investments Investments Refrigeration Refrigeration Supercooling Supercooling
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| GB/T 7714 | Lan, Wenchao , Liu, Xi , Xie, Meina et al. Experimental analysis of freezing desalination using gravity and centrifugal methods with economic evaluation of coupled freezing desalination and ice storage system [J]. | Energy Conversion and Management , 2024 , 315 . |
| MLA | Lan, Wenchao et al. "Experimental analysis of freezing desalination using gravity and centrifugal methods with economic evaluation of coupled freezing desalination and ice storage system" . | Energy Conversion and Management 315 (2024) . |
| APA | Lan, Wenchao , Liu, Xi , Xie, Meina , Ye, Kai , Chen, Longxiang . Experimental analysis of freezing desalination using gravity and centrifugal methods with economic evaluation of coupled freezing desalination and ice storage system . | Energy Conversion and Management , 2024 , 315 . |
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This work proposes a LNG cold energy recovery-freezing desalination-thermal storage coupling system, where the LNG cold energy drives an organic Rankine cycle to generate power. Simultaneously, seawater is subjected to cryogenic centrifugal desalination, and the desalinated ice produced is stored as a thermal storage medium. The thermodynamic and economic analyses of the system are conducted. The results show that the daily freshwater production of the system is 119.66 t, with a net output power of 52.10 kW. The investment payback period is 3.23 years, and the desalination cost is 0.48 USD·t−1, significantly lower than the cost of traditional reverse osmosis desalination. © 2024 Science Press. All rights reserved.
Keyword ：
Associative storage Associative storage Cold storage Cold storage Cryogenic energy storage Cryogenic energy storage Desalination Desalination Energy harvesting Energy harvesting Heat storage Heat storage Liquefied gases Liquefied gases Rankine cycle Rankine cycle Sea ice Sea ice Seawater Seawater
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| GB/T 7714 | Lan, Wenchao , Liu, Xi , Ye, Kai et al. Freezing Desalination with Thermal Energy Storage System Based on LNG Cold Energy [J]. | Journal of Engineering Thermophysics , 2024 , 45 (11) : 3239-3242 . |
| MLA | Lan, Wenchao et al. "Freezing Desalination with Thermal Energy Storage System Based on LNG Cold Energy" . | Journal of Engineering Thermophysics 45 . 11 (2024) : 3239-3242 . |
| APA | Lan, Wenchao , Liu, Xi , Ye, Kai , Chen, Longxiang . Freezing Desalination with Thermal Energy Storage System Based on LNG Cold Energy . | Journal of Engineering Thermophysics , 2024 , 45 (11) , 3239-3242 . |
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In this study, an innovative system is presented to co-generate water and cooling energy on the base of seawater evaporation. Salt-free vapor can be separated from the seawater through the evaporation process, meanwhile, seawater evaporated under low pressure can provide cooling energy. The compressor is employed to create a low-pressure environment for seawater, and the compression heat is recovered by a multi-effect desalination subsystem to produce freshwater. A comprehensive comparison is conducted between this system and conventional systems, considering thermodynamic, economic, and environmental aspects. Meanwhile, the exergoeconomic analysis was conducted for the proposed system. The calculation results indicate that the specific energy consumption of the proposed system is 19.77 kWh/t, which is 4.53 kWh/t lower than that of the conventional system (23.76 kWh/t). Additionally, higher gain output ratio and performance ratio can be achieved. The proposed system has a payback period of 4.24 years, which is shorter than the 6.21 years required by the conventional system, thereby demonstrating a greater economic advantage. For the environmental performance, the proposed system demonstrates a reduced CO2 emission of only 12.55 kg/$, indicating a significant decrease of 40.29% compared to the conventional system's 21.02 kg/$. Therefore, the proposed system demonstrates improved economic and environmental performance.
Keyword ：
Evaporation Evaporation Multi-effect desalination Multi-effect desalination Refrigeration Refrigeration Water and cooling cogeneration Water and cooling cogeneration
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| GB/T 7714 | Lan, Wenchao , Liu, Xi , Guo, Weikang et al. Comprehensive thermodynamic, economic, and environmental analysis of a novel cooling and water cogeneration system based on seawater evaporation [J]. | JOURNAL OF CLEANER PRODUCTION , 2024 , 482 . |
| MLA | Lan, Wenchao et al. "Comprehensive thermodynamic, economic, and environmental analysis of a novel cooling and water cogeneration system based on seawater evaporation" . | JOURNAL OF CLEANER PRODUCTION 482 (2024) . |
| APA | Lan, Wenchao , Liu, Xi , Guo, Weikang , Lian, Hui , Wang, Yongwei , Ye, Kai et al. Comprehensive thermodynamic, economic, and environmental analysis of a novel cooling and water cogeneration system based on seawater evaporation . | JOURNAL OF CLEANER PRODUCTION , 2024 , 482 . |
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In this study, the LNG cold energy recovery combined with a freezing-centrifugal desalination system is proposed. The thermodynamic and economic analysis is also carried out of the proposed system. To verify the results of sea ice centrifugation process, experimental analysis of sea ice centrifugal desalination is presented based on different types of sea ice: slurry and solid, which are prepared by the method of suspension crystallization method and progressive freezing method, respectively. The experimental outcomes demonstrated that higher rotation speeds and longer centrifugal times enhanced the desalination rate but resulted in decreased freshwater yield in both slurry and solid ice. For the slurry sea ice, achieving a rotation speed of 5000 rpm and a centrifugal time exceeding 3.0 min resulted in melted water with a salinity level below 0.05%, satisfying the standards of drinking water. Moreover, the unit product cost, payback period, and unit cost of CO2 emission reduction for the proposed system are 0.49 $/t, 3.25 years and 18.92 kg/$, respectively. While the unit product cost, payback period, and unit cost of CO2 emission reduction for the conventional system are about 0.84 $/t, 4.80 years, and 15.66 kg/$, respectively. Hence, the proposed system shows higher economic and environmental performance.
Keyword ：
Centrifugal desalination Centrifugal desalination Freezing desalination Freezing desalination LNG cold energy recovery LNG cold energy recovery Slurry ice Slurry ice
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| GB/T 7714 | Lan, Wenchao , Liu, Xi , Ye, Kai et al. Comprehensive thermodynamic and economic analysis of an LNG cold energy recovery system using organic Rankine cycle and freezing-centrifugal desalination for power and water cogeneration [J]. | JOURNAL OF CLEANER PRODUCTION , 2024 , 461 . |
| MLA | Lan, Wenchao et al. "Comprehensive thermodynamic and economic analysis of an LNG cold energy recovery system using organic Rankine cycle and freezing-centrifugal desalination for power and water cogeneration" . | JOURNAL OF CLEANER PRODUCTION 461 (2024) . |
| APA | Lan, Wenchao , Liu, Xi , Ye, Kai , Xie, Meina , Chen, Longxiang . Comprehensive thermodynamic and economic analysis of an LNG cold energy recovery system using organic Rankine cycle and freezing-centrifugal desalination for power and water cogeneration . | JOURNAL OF CLEANER PRODUCTION , 2024 , 461 . |
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Abstract ：
This study conducted experiments to compare the desalination efficiency of gravity and centrifugal desalination methods for freezing desalination, showing the superiority of centrifugal desalination. Moreover, through experiments on supercooled water production, it was determined that supercooled water can operate stably at an evaporator temperature of -4.5 degrees C, and its supercooling state can be released using ultrasound. Based on the experimental results, a novel system that combines freezing desalination with ice storage is proposed. The proposed system utilizes supercooled water for ice production and centrifugal post-treatment, using desalinated ice as a cold storage medium to integrate desalination and ice storage. The proposed system showed a 30 % lower total capital cost compared to conventional systems, with a payback period of 38.18 % lower than conventional system (5.42 years). Additionally, the system demonstrated optimal economic performance when utilizing 80 % of its ice storage capacity, with a payback period of 3.38 years, contrasting with 7.62 years when utilizing 20 % storage capacity. The application of this system in four regions with varying peak and off-peak electricity prices, including Guangdong, Fujian, Hainan, and, France revealed that the system demonstrates greater economic viability in areas with significant disparities in electricity pricing.
Keyword ：
Centrifugal desalination Centrifugal desalination Freezing desalination Freezing desalination Ice storage system Ice storage system Refrigeration Refrigeration
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| GB/T 7714 | Lan, Wenchao , Liu, Xi , Xie, Meina et al. Experimental analysis of freezing desalination using gravity and centrifugal methods with economic evaluation of coupled freezing desalination and ice storage system [J]. | ENERGY CONVERSION AND MANAGEMENT , 2024 , 315 . |
| MLA | Lan, Wenchao et al. "Experimental analysis of freezing desalination using gravity and centrifugal methods with economic evaluation of coupled freezing desalination and ice storage system" . | ENERGY CONVERSION AND MANAGEMENT 315 (2024) . |
| APA | Lan, Wenchao , Liu, Xi , Xie, Meina , Ye, Kai , Chen, Longxiang . Experimental analysis of freezing desalination using gravity and centrifugal methods with economic evaluation of coupled freezing desalination and ice storage system . | ENERGY CONVERSION AND MANAGEMENT , 2024 , 315 . |
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性能良好的工质是超高温热泵技术开发的关键之一。针对供热温度大于140℃的超高温热泵，根据优势互补的原则，提出了四种性非共沸混合工质MB1、MB2、MB3、MB4，并在蒸发温度50℃、70℃与90℃，冷凝温度140℃-160℃工况下对这四种混合工质的循环性能及最佳配比进行了研究。结果表明，苯，环戊烷，甲苯，丙酮及R13336mzz(Z)可作为该供热温度下热泵的混合工质的组分；四种混合工质性能良好，其中，MB2的循环性能在所提出的混合工质中最优，在蒸发温度50℃，冷凝温度160℃工况下，COP达2.4，?效率达58.9%；在蒸发温度90℃，冷凝温度160℃工况下，COP达4，?效率达62.6%。其它混合工质较主要成分苯的循环性能均有提升，MB4较苯可燃性降低。
Keyword ：
供热温度 供热温度 性能系数 性能系数 ?效率 ?效率 混合工质 混合工质 超高温热泵 超高温热泵
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| GB/T 7714 | 陈曦 , 刘曦 , 裴依豪 et al. 超高温热泵混合工质性能研究 [J]. | 制冷 , 2024 , 43 (01) : 31-37 . |
| MLA | 陈曦 et al. "超高温热泵混合工质性能研究" . | 制冷 43 . 01 (2024) : 31-37 . |
| APA | 陈曦 , 刘曦 , 裴依豪 , 李学来 . 超高温热泵混合工质性能研究 . | 制冷 , 2024 , 43 (01) , 31-37 . |
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Abstract ：
This work proposes a LNG cold energy recovery-freezing desalination-thermal storage coupling system, where the LNG cold energy drives an organic Rankine cycle to generate power. Simultaneously, seawater is subjected to cryogenic centrifugal desalination, and the desalinated ice produced is stored as a thermal storage medium. The thermodynamic and economic analyses of the system are conducted. The results show that the daily freshwater production of the system is 119.66 t, with a net output power of 52.10 kW. The investment payback period is 3.23 years, and the desalination cost is 0.48 USD·t−1, significantly lower than the cost of traditional reverse osmosis desalination. © 2024 Science Press. All rights reserved.
Keyword ：
economic analysis economic analysis LNG cold energy LNG cold energy seawater desalination seawater desalination thermal storage thermal storage
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| GB/T 7714 | Lan, W. , Liu, X. , Ye, K. et al. Freezing Desalination with Thermal Energy Storage System Based on LNG Cold Energy; [基于 LNG 冷能的冷冻淡化与蓄冷系统] [J]. | Journal of Engineering Thermophysics , 2024 , 45 (11) : 3239-3242 . |
| MLA | Lan, W. et al. "Freezing Desalination with Thermal Energy Storage System Based on LNG Cold Energy; [基于 LNG 冷能的冷冻淡化与蓄冷系统]" . | Journal of Engineering Thermophysics 45 . 11 (2024) : 3239-3242 . |
| APA | Lan, W. , Liu, X. , Ye, K. , Chen, L. . Freezing Desalination with Thermal Energy Storage System Based on LNG Cold Energy; [基于 LNG 冷能的冷冻淡化与蓄冷系统] . | Journal of Engineering Thermophysics , 2024 , 45 (11) , 3239-3242 . |
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Abstract ：
本文提出了一套LNG冷能回收冷冻淡化蓄冷耦合系统，LNG冷能驱动有机朗肯循环做功的同时，实现海水的冷冻离心淡化后，将离心的脱盐冰作为蓄冷介质储存，并对系统展开热力学和经济性分析。结果表明，系统的淡水日产量为119.66 t，对外输出净功为52.10 k W，投资回收期为3.23年。新型耦合系统的淡化成本为0.48 USD·t
Keyword ：
LNG冷能回收 LNG冷能回收 海水淡化 海水淡化 经济性分析 经济性分析 蓄冷 蓄冷
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| GB/T 7714 | 兰文超 , 刘曦 , 叶楷 et al. 基于LNG冷能的冷冻淡化与蓄冷系统 [J]. | 工程热物理学报 , 2024 , 45 (11) : 3239-3242 . |
| MLA | 兰文超 et al. "基于LNG冷能的冷冻淡化与蓄冷系统" . | 工程热物理学报 45 . 11 (2024) : 3239-3242 . |
| APA | 兰文超 , 刘曦 , 叶楷 , 陈龙祥 . 基于LNG冷能的冷冻淡化与蓄冷系统 . | 工程热物理学报 , 2024 , 45 (11) , 3239-3242 . |
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This study presents a comprehensive investigation of centrifugal desalination of sea ice and the production of slurry ice from supercooled water. A mathematical model for centrifugal desalination was established and validated through experiments. The results displayed a high level of accuracy in both the theoretical and experimental analyses, with an average goodness of fit of approximately 0.94. An experimental platform is established to produce supercooled water, using different types of water as ice-making solutions. The slurry ice is more suitable for centrifugal desalination than solid ice, and it can be obtained by disrupting the supercooled state of supercooled water, with finer ice crystals produced through ultrasonic supercooling release compared to natural methods. Decreasing the refrigerant temperature benefits enhancing the supercooling degree while compromising the stability of supercooled water generation. The stability is investigated with variations in refrigerant temperature to generate a solution temperature 2.0 degrees C higher than the refrigerant. When the supercooling degree is 1.0 degrees C, all of these solutions have a high stability of 80 %, however, it becomes worse as the supercooling degree increases. At the supercooling degree of 2.0 degrees C, saltwater has the highest stability of only 35 %, and seawater has the lowest stability of 15% due to its complicated composition. This phenomenon also reveals that conducting experiments using saline solution instead of seawater can lead to significant misleading effects. Additionally, the impact of flow rate on the supercooling degree is investigated, showing a minor influence.
Keyword ：
Centrifugal desalination Centrifugal desalination Freezing desalination Freezing desalination Slurry ice Slurry ice Supercooled water Supercooled water
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| GB/T 7714 | Lan, Wenchao , Liu, Xi , Xie, Meina et al. Theoretical and experimental analysis of sea ice centrifugal desalination and supercooled water production for slurry ice [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 352 . |
| MLA | Lan, Wenchao et al. "Theoretical and experimental analysis of sea ice centrifugal desalination and supercooled water production for slurry ice" . | SEPARATION AND PURIFICATION TECHNOLOGY 352 (2024) . |
| APA | Lan, Wenchao , Liu, Xi , Xie, Meina , Ye, Kai , Chen, Longxiang . Theoretical and experimental analysis of sea ice centrifugal desalination and supercooled water production for slurry ice . | SEPARATION AND PURIFICATION TECHNOLOGY , 2024 , 352 . |
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