Which of the following represents Dispersion number? (Where D is the – McqOptions

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1.	Which of the following represents Dispersion number? (Where D is the fluid dispersion coefficient,L is the length of spread of tracer and u is the fluid velocity)
A.	\(\frac{L}{uD} \)
B.	\(\frac{L}{D} \)
C.	\(\frac{D}{uL} \)
D.	\(\frac{Lu}{D} \)
Answer» D. \(\frac{Lu}{D} \)

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