Influencing Factors and Process Optimization for High Undercooling of Bulk Liquid Alloys;
深过冷净化的影响因素及工艺优化
The important factors that determine nucleation modes are the initial melt undercooling and the size of impurity.
本文立足于经典形核理论和非热形核理论,分析了过冷熔体非平衡凝固中连续形核同位置饱和的竞争。
On the analysis of the phase diagram,the undercooling components were directly obtained.
考虑界面非平衡、弯曲界面对驱动力的影响,并且摒弃液固相线线性假设,得到了界面移动热力学驱动力;从液固相线非线性条件下的动力学边界条件出发,对稳定性判据进行了修正;在溶质截留模型中,综合考虑弛豫效应和非线性液固相线的影响,对Aziz模型进行了修正;基于相图分析,得到过冷度分配。
Experimental study on the relaxation of supercooling of erythritol by ultrasonic irradiation;
超声波缓和赤藻糖醇(PCM120)过冷的实验研究
Influence of induction stirring on Fe-C eutectic lamellar spacing and supercooling;
电磁搅拌对Fe-C共晶合金石墨片间距与过冷度的影响
Experiment of dynamic performance of a counterflow supercooling and chilled water storage air conditioning system;
逆流式过冷—高温水蓄冷空调系统特性实验研究
However,further applications of it are inhibited by its serious supercooling.
6H2O作为一种常低温相变材料(PCM)在蓄热节能领域具有广阔应用前景,但其严重的过冷使应用受到限制。
Study on Subcooling and Energy Saving in Two Stage Compression Cycle;
双级压缩制冷循环的过冷与节能
Then simple design calculation model is built to get the cooling capacity and COP especially for subcooling operation mode.
描述了系统组成和运行模式,建立了一个简易设计计算模型,重点计算了过冷运行模式下的制冷量和性能系数,给出了与常规系统不同的过冷器和蒸发器的设计结果。
The effect on the ratio of refrigeration coefficient with the super-cooling of the refrigeration cycle;
制冷循环的过冷对制冷系数比值的影响
The results show that the optimum heat preservation temperature is 605℃ as a result of the super-cooling and diffuseness.
电子显微镜及图象分析仪分析表明 ,由于过冷和扩散的共同影响 ,A35 6铝合金液相线铸造最佳保温温度 6 0 5℃ ;在 6 0 min时间内 ,晶核数目随保温时间的延长而增加 ,且分布愈加均
In order to reduce the super-cooling degree of condensation water in the No.
针对淄博热电股份有限公司#3机组冬季排汽量较小,循环水温低,造成凝结水过冷度较大的问题,将原循环水泵改造成双速泵,冬季低转速运行,有效解决凝结水过冷问题,同时减少循环水泵能耗。