以不同尺寸的BN纳米粒子及自制的BNNTs为添加物,通过两步法制备了不同体积分数的BN(140nm)/EG、BN (70nm)/EG及BNNTs/EG纳米流体,利用瞬态热线装置测试了其热导率,研究了添加物体积分数、长径比、尺寸、聚集形态、流体温度及分散剂等因素对纳米流体热导率的影响规律.结果表明,纳米流体热导率随纳米粒子体积分数、纳米粒子尺寸、纳米粒子长径比、流体温度的增加而增加,纳米粒子松散的链状聚集比紧密的云状聚集更有利于提高基液热导率,分散剂的加入不同程度降低了纳米流体热导率增加量,但降低幅度不大.
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