纳米流体的热导率及其模型的研究进展

Review of recent advances in research of thermal conductivity and theirs models of nanofluids

纳米流体作为一种新型高效换热工质展现出良好的换热性能引起了许多研究者的关注。综述了纳米流体的制备方法、热导率测量方法、热导率提高机制、热导率模型。重点介绍和讨论了纳米流体热导率提高的机制、热导率模型的研究进展,并对纳米流体的未来研究进行了展望。指出了需要进一步发掘导致研究结果多样性的潜在机制,合理改进热导率模型,能够合理解释热导率变化的原因并准确地预测纳米流体热导率。

As an innovative heat transfer fluids,nanofluids attract great attention because of its excellent heat transfer properties.Research progress in the preparation methods of nanofluids,the measurement methods of thermal conductivity,the mechanism of thermal conductivity improvement and thermal conductivity models were reviewed.Focused on introducing and discussing the mechanism of nanofluid thermal conductivity improvement,research progress of thermal conductivity model,and the future research of nanofluid was prospected.It pointed out that it was necessary to further explore the potential mechanism that led to the diversity of research results,and to improve the thermal conductivity model reasonably,which could reasonably explain the reason for the thermal conductivity change and accurately predict the thermal conductivity of nanofluids.