Wall-to-Suspension Heat Transfer in a CFB Downcomer

Table 2

Powder characteristics.

	(m)	(kg/m^3)	(kg/m^3)	(m/s)
Sand 128	128	2620	1446	0.016	0.48
Sand 190	190	2620	1542	0.044	0.45
Sand 260	260	2600	1520	0.080	0.42
Limestone	200	2600	1560	0.048	0.45