Migration of carbon nanotubes from liquid phase to vapor phase in the refrigerant-based nanofluid pool boiling

Table 2 Physical dimensions of CNTs

Property	Mean outside diameter (d_out)	Mean inside diameter (d_in)	Mean length (l)	Aspect ratio (l/d_out )
CNT#1	15 nm	10 nm	1.5 μm	100
CNT#2	15 nm	10 nm	10 μm	666.7
CNT#3	80 nm	18 nm	1.5 μm	18.8
CNT#4	80 nm	18 nm	10 μm	125