Table 5.5.

Calculation example of tubular filter

Filtration tube (m)	Number of filtration tubes (#)	Tube lengt (h/m)	Opening area (m2)	Filtration velocity v (m/s)	Face velocity u (m/s)	Velocity v 0 in tube (m/s)	A (Pa·s/m)	C	ζ 1	S	Calculation result (Pa)				Measured result (Pa)
											ΔP 1	2ΔP 2(1)	ΔP 2(3)	ΔP	ΔP	ΔP 2
0.019	330	0.215	0.0692	0.066	1.35	4.01	5.5 × 102	0.9	10	0.336	36.3	3.7	10.9	50.9	50	13.7
0.019	330	0.215	0.0692	0.066	1.35	4.01	7 × 102	0.9	10	0.336	46.2	3.7	10.9	60.8	60	13.8
0.019	347	0.215	0.0728	0.0624	1.35	3.81	7.5 × 102	0.9	9	0.353	46.8	3.5	9.8	60.1	60	13.2
0.019	347	0.215	0.0728	0.0624	1.35	3.81	5.6 × 102	0.9	9	0.353	34.9	3.5	9.8	48.2	50	15.1
0.019	347	0.215	0.0728	0.0624	1.35	3.81	7.8 × 102	0.9	9	0.353	48.6	3.5	9.8	61.9	60	11.4
0.015	630	0.215	0.0753	0.044	1.35	3.69	7 × 102	0.9	29.3	0.336	31	5.5	31.9	68.4	75	44