A flour mill has been required to install particulate control equipment to remove 90% of its emissions. A testing firm has determined a size distribution of the flour as follows:Size range (micro-meters)mass percent in size range 0-2102-102010-202020-402540-7020>705 A consulting firm, B.S. Schusters, Inc., has recommended a two stage cyclone (two cyclones in series) for this problem, and has come up with the following design: Wi = 20 inches, Hi = 30 inches, Ne = 8 turns, Vi = 70 ft/sec, Pp = 62.4 1bm/ft3The viscosity of the air is 1.2 x 10-5 1bm/ft sec. Verify or refute this recommendation.

From given table- Size range μm mass percent in size range 0-2 10 2-10 20 10-20 20…

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A flour mill has been required to install particulate control equipment to remove 90% of its emissions. A testing firm has determined a size distribution of the flour as follows:

Size range (micro-meters)	mass percent in size range
0-2	10
2-10	20
10-20	20
20-40	25
40-70	20
>70	5

A consulting firm, B.S. Schusters, Inc., has recommended a two stage cyclone (two cyclones in series) for this problem, and has come up with the following design:

Wi = 20 inches, Hi = 30 inches, Ne = 8 turns, Vi = 70 ft/sec, Pp = 62.4 1bm/ft3

The viscosity of the air is 1.2 x 10-5 1bm/ft sec. Verify or refute this recommendation.

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