Results 11 to 20 of about 950,968 (118)
我国目前太阳能干燥器的总采光面积约为7200米~2,其中整体式太阳能干燥器约占三分之一。本文概述了整体式太阳能干燥器的结构、工作原理及热工性能。通过实验研究,提出以温升保证率、脱水率、脱水比及热利用效率作为太阳能干燥器热工性能的评价指标,并提出了太阳能干燥器热利用效率的计算方法及公式。针对实验干燥器,综合了该装置脱水率计算经验公式 ...
仝兆丰, 李宗楠
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户用太阳能系统是非常有发展前景的可再生洁净能源利用方式之一。本文对深圳首个户用太阳能应用系统从结构原理、设备性能、建设成本、工作方式、经济效益和社会效益等方面进行了全面系统的分析。指出了在我国发达城市地区推广使用户用太阳能系统所产生的经济效益和社会效益 ...
林伟, 刘仁生, 沈辉, 曾祖勤
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我国第一座大型实用性太阳能空调热水系统在广东江门市建成投入运行。该系统采用500m^2高效平板太阳集热器和100kW两级吸收式制冷机。介绍了系统的一些技术参数及运行情况,分析了太阳能空调系统的经济性和应用前景 ...
马伟斌 +4 more
core +4 more sources
性能良好的太阳能集热器是太阳能空调的关键设备之一,广东省江门市太阳能空调系统采用了一种高效的平板集热器,其主要技术特垂直 是增加了一块聚碳酸脂(PC)透明隔热板,本研究通过对比试验,确定了一种高交平板太阳能热器的技术方案,并测定了效率曲线,其热损系数仅为2.90W/(m^2.℃)
江晴, 李戬洪
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Tracing change in the public perception of plants: insights from archives and social media in China
As urbanization accelerates, historic gardens serve as vital cultural treasures that offer spiritual and cultural support to the public. This study proposes an innovative approach that merges historical records from the Qing Dynasty with contemporary social media data to explore changes in public perceptions of these gardens.
Dong Xu +4 more
wiley +1 more source
ABSTRACT Photocatalytic H2 evolution coupled with biomass upgrading offers a sustainable route for clean energy conversion and high‐value chemical synthesis. Herein, an in situ grown S‐scheme MnS/MnB‐MBene heterojunction (denoted as SMx) was fabricated via alkaline etching of Mn2AlB2 followed by controlled sulfurization.
Pei Li +7 more
wiley +1 more source
ABSTRACT Rationally selection of precursor additives during perovskite crystallization is essential for obtaining high‐quality films and achieving high‐performance perovskite solar cells (PSCs). However, the discovery and optimization of effective additives still rely heavily on time‐consuming and costly trial‐and‐error experiments.
Zhimin Feng +12 more
wiley +1 more source
研制了一种三效管式海水淡化装置,对其进行了定功率和太阳能加热运行实验研究,分析了该淡化装置的产水性能及影响因素。定功率实验研究表明,当淡化装置加热功率为300 W 时,其性能系数最高达约1.32,提升淡化装置蒸发传热,同时降低热量耗散(辐射耗散和对流耗散),加大装置冷凝温差可以提升淡化装置性能。太阳能加热实验结果表明,淡化装置的产水性能受太阳辐射值、太阳能集热系统效率、热源稳定性、环境温度与风速等多种因素影响,特别是热源稳定性对装置性能有较大影响。
杨毅, 陈志莉, 刘洪涛, 彭靖棠
doaj +2 more sources
ABSTRACT Photocatalysis has emerged as a promising approach for solar energy conversion and environmental remediation. However, its practical implementation is still hindered by limited charge‐separation efficiency, slow surface reaction kinetics, and insufficient catalyst stability.
Mengting Zhang +5 more
wiley +1 more source
太阳能热脱盐(Solar thermal desalination,STD)是一种极具潜力的低能耗、可持续海水淡化新方法,可用于在能源基础设施不完备的干旱地区生产清洁淡水。目前,通过改进太阳能吸收材料和系统设计来提高STD效率受到越来越多的关注。系统地介绍了各类高效光热转换材料的特点及其在利用太阳辐射进行海水淡化方面的应用,然后从隔热结构和冷凝结构设计等不同的角度讨论了STD系统的热能管控措施,并进一步阐明了潜热回收的重要性,最后,总结了STD系统工艺现有的局限性和提高STD系统脱盐效率的有效途径 ...
陈付爱, 牛纪娥
doaj +2 more sources

