利用新型复合工质对真空相变供热系统进行了热效率、启动特性、等温特性的实验研究。
An experimental research has been taken on heat efficiency, startup behavior, isothermal characteristics of a vacuum phase change heating system using a new kind of compound working medium.
采用纯度为98%的正21烷（C21H44）作为相变材料（PCM），通过抽真空灌注的方法将其灌注到泡沫铜内部，封装并作绝热处理后作为试验件。
The 98% pure Heneicosane(C21H44) was used as the phase change material(PCM), and it was filled in the copper foam through a vacuuming procedure.
利用金属蒸汽真空弧（MEVVA）源所产生的强束流离子注入铝研究了相变、增强扩散和钇铝合金的形成条件。
Phase transition, enhanced diffusion and Y-Al alloy formation are studied using Y implantation with high current extracted from metal vapor vacuum arc (MEVVA) ion source.
真空冷却过程是复杂的相变传热传质过程，该过程涉及到扩散、传热、传质和相变等机理。
Vacuum cooling is a complicated heat and mass transfer process supported by various theories such as diffusion, heat transfer, mass transfer and phase change.
通过实验考察了相变与非相变过程、不同真空度、不同降膜流量以及降膜膜厚等因素与液体吸收微波功率或蒸发量的关系。
Theoretical analysis and an experimental study on heat transfer process of falling film evaporation caused by microwave field were carried out.
该装置主要包括热管真空太阳能空气集热系统，石蜡相变储热系统，干燥系统，自动控制系统四个部分。
The device mainly included heat-pipe vacuum solar air collector system, paraffin latent heat storage system, drying system, automatic control system.
该装置主要包括热管真空太阳能空气集热系统，石蜡相变储热系统，干燥系统，自动控制系统四个部分。
The device mainly included heat-pipe vacuum solar air collector system, paraffin latent heat storage system, drying system, automatic control system.
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