Concentrated solar power(CSP)plants with thermal energy storage(TES)system are emerging as one kind of the most promising power plants in the future renewable energy system,since they can supply dispatchable and low-c...Concentrated solar power(CSP)plants with thermal energy storage(TES)system are emerging as one kind of the most promising power plants in the future renewable energy system,since they can supply dispatchable and low-cost electricity with abundant but intermittent solar energy.In order to significantly reduce the levelized cost of electricity(LCOE)of the present commercial CSP plants,the next generation CSP technology with higher process temperature and energy efficiency is being developed.The TES system in the next generation CSP plants works with new TES materials at higher temperatures(>565℃)compared to that with the commercial nitrate salt mixtures.This paper reviews recent progressin research and development of the next generation CSP and TES technology.Emphasis is given on theadvanced'TES technology based on molten chloride salt mixtures such as MgCl_(2)/NaCl/KCl which hassimilar thermo-physical properties as the commercial nitrate salt mixtures,higher thermal stability(>800℃),and lower costs(<0.35USD·kg^(-1)).Recent progress in the selection/optimization of chloridesalts,determination of molten chloride salt properties,and corrosion control of construction materials(eg.,alloys)in molten chlorides is reviewed.展开更多
Liquid directional transport surfaces have the ability to control the movement of liquids in specific directions,making them highly applicable in various fields such as heat transfer,fluid management,microfluidics,and...Liquid directional transport surfaces have the ability to control the movement of liquids in specific directions,making them highly applicable in various fields such as heat transfer,fluid management,microfluidics,and chemical engineering.This review aims to summarize the research progress on liquid directional transport surfaces and spacecraft fluid management devices.Among the different liquid control technologies available,certain surface design methods based on principles of fluid dynamics under microgravity show remarkable potential for space fluid management.Precise fluid management is crucial for the in-orbit operation of spacecraft.Utilizing surface tension effects represents the most direct and effective approach to achieve directional liquid transport in space.The intrinsic flow characteristics of the two-dimensional plane of directional transport surfaces are advantageous for managing fluids in the confined spaces of spacecraft.By analyzing the functional characteristics of these liquid directional transport surfaces,we assess their feasibility for integration into spacecraft fluid management devices.Considering the features of the space environment,this review also provides design guidelines for liquid directional transport surfaces suitable for use in spacecraft fluid management devices,serving as a significant reference for future research.展开更多
文摘Concentrated solar power(CSP)plants with thermal energy storage(TES)system are emerging as one kind of the most promising power plants in the future renewable energy system,since they can supply dispatchable and low-cost electricity with abundant but intermittent solar energy.In order to significantly reduce the levelized cost of electricity(LCOE)of the present commercial CSP plants,the next generation CSP technology with higher process temperature and energy efficiency is being developed.The TES system in the next generation CSP plants works with new TES materials at higher temperatures(>565℃)compared to that with the commercial nitrate salt mixtures.This paper reviews recent progressin research and development of the next generation CSP and TES technology.Emphasis is given on theadvanced'TES technology based on molten chloride salt mixtures such as MgCl_(2)/NaCl/KCl which hassimilar thermo-physical properties as the commercial nitrate salt mixtures,higher thermal stability(>800℃),and lower costs(<0.35USD·kg^(-1)).Recent progress in the selection/optimization of chloridesalts,determination of molten chloride salt properties,and corrosion control of construction materials(eg.,alloys)in molten chlorides is reviewed.
基金National Key R&D Programof China,Grant/Award Numbers:2022YFF0503500,2023YFB4603700Strategic Priority Research Programof the Chinese Academy of Sciences,Grant/Award Number:XDB0910300。
文摘Liquid directional transport surfaces have the ability to control the movement of liquids in specific directions,making them highly applicable in various fields such as heat transfer,fluid management,microfluidics,and chemical engineering.This review aims to summarize the research progress on liquid directional transport surfaces and spacecraft fluid management devices.Among the different liquid control technologies available,certain surface design methods based on principles of fluid dynamics under microgravity show remarkable potential for space fluid management.Precise fluid management is crucial for the in-orbit operation of spacecraft.Utilizing surface tension effects represents the most direct and effective approach to achieve directional liquid transport in space.The intrinsic flow characteristics of the two-dimensional plane of directional transport surfaces are advantageous for managing fluids in the confined spaces of spacecraft.By analyzing the functional characteristics of these liquid directional transport surfaces,we assess their feasibility for integration into spacecraft fluid management devices.Considering the features of the space environment,this review also provides design guidelines for liquid directional transport surfaces suitable for use in spacecraft fluid management devices,serving as a significant reference for future research.
