a.) What would the air velocity ua in a cleanroom have to be to produce a characteristic length equivalent to the width of a 0.01m diameter line, taking the Reynolds number Re = 10 (typical for a cleanroom) or 2300 (upper bound for laminarity)? b.) Why is the velocity at the lower end of the range impractical? c.) Given typical cleanroom parameters for Re and ua, what is the characteristic length we actually have to work with?
a.) What would the air velocity ua in a cleanroom have to be to produce a characteristic length equivalent to the width of a 0.01m diameter line, taking the Reynolds number Re = 10 (typical for a cleanroom) or 2300 (upper bound for laminarity)? b.) Why is the velocity at the lower end of the range impractical? c.) Given typical cleanroom parameters for Re and ua, what is the characteristic length we actually have to work with?
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.) What would the air velocity ua in a cleanroom have to be to produce a characteristic length equivalent to the width of a 0.01m diameter line, taking the Reynolds number Re = 10 (typical for a cleanroom) or 2300 (upper bound for laminarity)?
b.) Why is the velocity at the lower end of the range impractical?
c.) Given typical cleanroom parameters for Re and ua, what is the characteristic length we actually have to work with?
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