Cumulative % greater than d, 99.99 99.8 99 98 95 90 80 70 60 50 40 30 20 10 2 1 0.5 0.2 0.01 40 30 30 20 20 10 10 dp um 5 2 1.0 0.01 1 2 1.0 99.99 10 20 30 40 50 60 70 80 Cumulative % less than d, 0.2 5 90 95 98 99 99.8 Figure 3.5 Plot of data for Example 3.2 showing a log-normal distribution. 3.4 Consider a cyclone that has the following theoretical efficiency versus particle size relationship: Size Range, um 0-2 2-4 4-7 7-10 10-15 15-25 25-40 40-60 >60 Efficiency, % 10 25 45 70 85 95 97 98 100
Cumulative % greater than d, 99.99 99.8 99 98 95 90 80 70 60 50 40 30 20 10 2 1 0.5 0.2 0.01 40 30 30 20 20 10 10 dp um 5 2 1.0 0.01 1 2 1.0 99.99 10 20 30 40 50 60 70 80 Cumulative % less than d, 0.2 5 90 95 98 99 99.8 Figure 3.5 Plot of data for Example 3.2 showing a log-normal distribution. 3.4 Consider a cyclone that has the following theoretical efficiency versus particle size relationship: Size Range, um 0-2 2-4 4-7 7-10 10-15 15-25 25-40 40-60 >60 Efficiency, % 10 25 45 70 85 95 97 98 100
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
For the particle distribution given in Figure 3.5, calculate the overall efficiency of the cyclone of Problem 3.4.

Transcribed Image Text:Cumulative % greater than d,
99.99
99.8
99 98
95 90
80 70 60 50 40 30 20
10
2 1 0.5 0.2
0.01 40
30
30
20
20
10
10
dp
um
5
2
1.0
0.01
1 2
1.0
99.99
10 20 30 40 50 60 70 80
Cumulative % less than d,
0.2
5
90 95
98 99
99.8
Figure 3.5
Plot of data for Example 3.2 showing a log-normal distribution.

Transcribed Image Text:3.4 Consider a cyclone that has the following theoretical efficiency
versus particle size relationship:
Size Range, um 0-2 2-4 4-7 7-10 10-15 15-25 25-40 40-60 >60
Efficiency, %
10 25 45
70
85
95
97
98 100
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