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Zeta-potential을 이용한 이성분 나노유체의 분산안정도 측정
이강일(Kang Il Lee),정청우(Chung Woo Jung),김현준(Hyun Jun Kim),정진희(Jinhee Joeng),강용태(Yong Tae Kang) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.6
This study investigates the distribution stability of binary nanofluids where binary mixtures such as NH₃/H₂O and H₂O/LiBr solution are used as a base fluid. When a little amount of certain nanosized particles is added into a basefluid, the thermal conductivity of that mixture increases greatly. Such mixtures are named ""nanofluids"" where nano-particles should be distributed stably and uniformly so the distribution stability of nanoparticles in nanofluids is one of the most important factors for nanofluid application. Therefore, binary nanofluids in which binary mixtures are applied as the basefluids are considered as working fluids. The kind and the concentration of nanoparticles, and the concentration of ammonia are considered as the key parameters. The objectives of this paper are to visualize the dispersed status of particles in binary nanofluids and to find the effect of key parameters on the distribution stability in the ammonia absorption system.