A syringe (Fig. E5.8) is used inoculate a cow. The plunger has a face of 500 mm2 . The liquid in the syringe is to be injected steadily at a rate of 300 cm2/min. The leakage rate past the plunger is 0.10 times the volume flowrate of the needle. Find: with what speed should the plunger be advanced ?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A syringe (Fig. E5.8) is used inoculate a cow. The plunger has a face of 500 mm2 . The liquid in the syringe is to be injected steadily at a rate of 300 cm2/min. The leakage rate past the plunger is 0.10 times the volume flowrate of the needle. Find: with what speed should the plunger be advanced ?
Qleak =
0.1 Q2
Plunger
motion
Q2 =
300 cm/min
A, =
500 mm2
Section (2)
Control volume
Section (1)
Transcribed Image Text:Qleak = 0.1 Q2 Plunger motion Q2 = 300 cm/min A, = 500 mm2 Section (2) Control volume Section (1)
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