中文摘要：

对高温供冷用相变蓄冷材料进行配制，并对其热物性及蓄＼释冷性能进行分析．分析测试了癸酸-月桂酸二元体系的低共熔点，以及不同种类添加剂的摩尔分数对体系相变特性的影响．建立蓄冷球模型，对蓄＼释冷过程中材料温度、蓄＼释冷量、蓄＼释冷速率的变化规律进行分析；使用自制相变材料灌装蓄冷球，进行蓄冷、释冷性能实验．结果表明：以摩尔比例70：30的癸酸、月桂酸混合物为基液，摩尔分数0．08的油酸为添加剂，制备出蓄冷材料的相变温度约15℃，相变潜热为114．1kJ／kg，蓄冷球蓄冷、释冷过程稳定，单球蓄冷总量为17．67kJ，能够满足高温供冷空调系统的蓄冷需求．

英文摘要：

A cold storage phase change material was prepared for high temperature cooling application. Its thermophysical properties and charging/discharging performance were investigated. The eutectic point and the influence of mole fraction of different additives on phase change characteristics of the capric-lauric system were tested. The mathematical model of a package ball was built, through which the variation of temperature, storage capacity and storage rate were analyzed. Experiments were conducted to study the charging/discharging performance of the package ball. The results show that the capric-lauric acid combination （mole proportion is 70 ： 30） adding oleic （mole fraction is 0.08） is considered to be well suited to high temperature cooling application with a phase change temperature of 15℃ and a latent heat of 114.1 kJ/kg. The charging and discharging processes are stable with a storage capacity of 17.67 kJ for each ball.