Effect of Morphology and Crystal Structure on the Thermal Conductivity of Titania Nanotubes

Table 2 The measured thermal properties of the nanotube samples with different porosities

Samples	Porosity (%)	Thermal diffusivity (α) (mm² s⁻¹)	Thermal conductivity (κ_eff) (W m⁻¹ K⁻¹)
TNT_A,T	22	0.290	0.479
	27	0.260	0.415
	33	0.240	0.351
	37	0.240	0.323
	43	0.220	0.279
	48	0.210	0.237
TNT_A	42	0.250	0.377
	51	0.215	0.275
	54	0.212	0.256
	57	0.186	0.209
	64	0.157	0.148
	69	0.141	0.115
TNT_Amor	60	0.177	0.181
	63	0.166	0.155
	69	0.146	0.113
	75	0.128	0.082