考虑现有的空间太阳能电站方案多为概念性设计,综合性能较差,提出了一种高可行性的圆柱形模块化聚光空间太阳能电站(space solar power station via cylindrical modular concentrator array,SSPS-CMCA)工程设计方案。首先,分析了各国...考虑现有的空间太阳能电站方案多为概念性设计,综合性能较差,提出了一种高可行性的圆柱形模块化聚光空间太阳能电站(space solar power station via cylindrical modular concentrator array,SSPS-CMCA)工程设计方案。首先,分析了各国学者和组织提出的空间太阳能电站方案,从结构、控制、外形等多角度列出了方案组合表,并归纳出一套针对空间太阳能电站设计的方案标准,再根据该标准提出一种高可行性的工程设计方案。随后详细描述了该方案的结构设计,并分析了各方面性能和1GW模型的系统参数。最后给出了该模型从地面实验到太空组装运行的全流程建设方案。展开更多
A dual channel difference (DCD) method is applied to detect nighttime sea fog/stratus over the Huanghai Sea using the infrared (IR) data of shortwave (3.5-4.0 μm) and longwave (10.3-11.3 μm) channels from th...A dual channel difference (DCD) method is applied to detect nighttime sea fog/stratus over the Huanghai Sea using the infrared (IR) data of shortwave (3.5-4.0 μm) and longwave (10.3-11.3 μm) channels from the Multi-functional Transport Satellite (MTSAT)-IR, i.e., shortwave minus longwave brightness temperature difference (SLTD). Twenty-four sea fog events over the Huanghai Sea during March to July of 2006 and 2007 are chosen to determine a suitable value of SLTD for nighttime sea fog/stratus detection, and it is found that the value of-5.5-2.5℃ can be taken as a criterion. Two case examples of sea fog events are especially demonstrated in detail utilizing the criterion, and the results show that the derived sea fog/stratus coverage is quite reasonable. This coverage information is very helpful to analyze the formation and evolution of sea fog/stratus during night and can provide sea fog researchers with observational evidences for model results verification. However, more efforts are needed to further obtain vertical extent information of sea fog/stratus and attempt to discriminate between sea fog and stratus.展开更多
文摘考虑现有的空间太阳能电站方案多为概念性设计,综合性能较差,提出了一种高可行性的圆柱形模块化聚光空间太阳能电站(space solar power station via cylindrical modular concentrator array,SSPS-CMCA)工程设计方案。首先,分析了各国学者和组织提出的空间太阳能电站方案,从结构、控制、外形等多角度列出了方案组合表,并归纳出一套针对空间太阳能电站设计的方案标准,再根据该标准提出一种高可行性的工程设计方案。随后详细描述了该方案的结构设计,并分析了各方面性能和1GW模型的系统参数。最后给出了该模型从地面实验到太空组装运行的全流程建设方案。
基金The National Natural Science Foundation of China under contract No. 40706004the National Basic Research Program ("973" program) of China under contract No. 2005CB422301+2 种基金China Meteorological Administration’s New Technology Extension Project under contract No. CMATG2008M41the National Special Fund for public Sector Research of China under contract No. GYHY200706031Shandong Provincial Meteorological Bureau Science Fund of China under contract No. 2004SDQXJ01.
文摘A dual channel difference (DCD) method is applied to detect nighttime sea fog/stratus over the Huanghai Sea using the infrared (IR) data of shortwave (3.5-4.0 μm) and longwave (10.3-11.3 μm) channels from the Multi-functional Transport Satellite (MTSAT)-IR, i.e., shortwave minus longwave brightness temperature difference (SLTD). Twenty-four sea fog events over the Huanghai Sea during March to July of 2006 and 2007 are chosen to determine a suitable value of SLTD for nighttime sea fog/stratus detection, and it is found that the value of-5.5-2.5℃ can be taken as a criterion. Two case examples of sea fog events are especially demonstrated in detail utilizing the criterion, and the results show that the derived sea fog/stratus coverage is quite reasonable. This coverage information is very helpful to analyze the formation and evolution of sea fog/stratus during night and can provide sea fog researchers with observational evidences for model results verification. However, more efforts are needed to further obtain vertical extent information of sea fog/stratus and attempt to discriminate between sea fog and stratus.