A laminar flow element measures low gas-flow rates with a bundle of capillary tubes packed inside a large outer tube. Consider oxygen flowing at 84 ft3/min in a 4-in-diameter pipe. (i) Is the flow approaching the element turbulent? (ii) If there are 1000 capillary tubes, Length L, is 4 in, select a tube diameter to keep Reynold’s number below 1500 and also to keep the tube pressure drop not greater than 0.5 lbf/in2 (iii) Do the tubes selected fit nicely within the approach pipe?
A laminar flow element measures low gas-flow rates with a bundle of capillary tubes packed inside a large outer tube. Consider oxygen flowing at 84 ft3/min in a 4-in-diameter pipe. (i) Is the flow approaching the element turbulent? (ii) If there are 1000 capillary tubes, Length L, is 4 in, select a tube diameter to keep Reynold’s number below 1500 and also to keep the tube pressure drop not greater than 0.5 lbf/in2 (iii) Do the tubes selected fit nicely within the approach pipe?
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 laminar flow element measures low gas-flow rates with a bundle of capillary tubes packed inside a large outer tube. Consider oxygen flowing at 84 ft3/min in a 4-in-diameter pipe.
(i) Is the flow approaching the element turbulent?
(ii) If there are 1000 capillary tubes, Length L, is 4 in, select a tube diameter to keep Reynold’s number below 1500 and also to keep the tube pressure drop not greater than 0.5 lbf/in2
(iii) Do the tubes selected fit nicely within the approach pipe?
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