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Influence of two-body abrasion and heat intensity on metal and non-metal materials used in agriculture
abrasive wear composite systems epoxy resin
2015/5/18
In the agro-complex, as well as in other sectors, the use of polymeric materials is one possible way forward in the innovation and development of machines and their parts. However, machine products pl...
太阳能辅助热泵综合就仓干燥系统实验研究（Experiment on Hybrid Solar Drying System Assisted by Heat Pump for Grain In-store Drying）
太阳能 热泵 就仓干燥 实验
2010/12/28
设计了一种由太阳能空气集热器、热泵和翻粮机组成的太阳能辅助热泵就仓干燥系统，用于粮食就仓干燥。对系统进行了实验研究，研究结果表明，太阳能空气集热器平均热效率达到63%，热泵性能系数达到5.4，联合系统能够提供充足、稳定的热量，并且干燥效果明显、干燥时间短、耗电量小、干燥均匀性好。应用该系统可安全、节能、有效地降低仓储玉米含水率。
陶瓷球固体热载体与粉状生物质的热平衡分析（Heat Balance Analysis of Ceramic Ball Heat Carrier and Biomass Powder）
陶瓷球 粉状生物质 热平衡
2009/8/11
为研究陶瓷球固体热载体与粉状生物质之间的换热规律，以90℃陶瓷球，在1.0、1.2和1.4kg/min质量流量下与室温生物质粉在垂直下降管散体颗粒换热实验台上进行了热交换实验，通过热平衡分析确定了不同陶瓷球流量下生物质粉总吸热速率中对流换热、导热各自所占的比例。研究表明热传导在生物质粉吸热升温过程中占61%～87%；当陶瓷球流量从1.0kg/min增大到1.4kg/min时，热传导所占的比例减小，...
Influence of heat exposition on the transition behaviour of the steel 21MnTiB
steel impact energy transition curve
2014/2/26
Owing to operations the construction materials change their properties. The material properties and characteristics are considered as the most important. One of properties is the toughness of the used...