潜热型功能热流体是一种集储热与强化传热功能于一体的新型工质.简要介绍了潜热型功能热流体的类型及其研究进展,综述了潜热型功能流体的性能,着重分析了构成悬乳液的相变微胶囊的性能.相变材料的加入能明显强化流体的传热性能,增加热能储存密度和比热容,因而可减少工质流量.相变乳液主要存在粘度大、流动阻力增加等不足,而纳米相变微胶囊悬浮液则可克服上述缺陷.
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