Simplified Transient Hot-Wire Method for Effective Thermal Conductivity Measurement in Geo Materials: Microstructure and Saturation Effect

Table 1

Diameter ranges (d–D), mean diameter, glass bead density and porosity of the glass bead assemblages for the M, S, and SL glass beads.

d–D ranges	Mean diameter	Bead density	Porosity
Type M
1.50–1.70	1.50	2.54	0.38
1.90–2.30	2.00	2.50	0.37
2.40–2.70	2.50	2.54	0.38
2.70–3.10	2.80	2.50	0.36
3.80–4.10	3.90	2.52	0.37
Type S
0.40–0.60	0.45	2.51	0.40
0.70–1.10	0.85	2.52	0.39
1.00–1.40	1.10	2.53	0.39
1.70–2.20	1.80	2.52	0.39
2.50–3.15	2.50	2.51	0.38
2.85–3.60	3.00	2.53	0.39
3.75–4.50	3.75	2.51	0.37
Type SL
0.50–0.80	0.71	2.61	0.40
0.70–1.05	0.85	2.61	0.39
0.90–1.50	1.10	2.59	0.39
1.60–2.20	1.80	2.61	0.39
2.50–3.20	2.70	2.60	0.38