An oil drop with the diameter of 1mm, is in the contact with the air with the pressure of 80 KN/m2. i. Find the dimension of surface tension in MLT system [10 Marks] ii. If the surface tension of the drop be 42.27x10 N/m, find the pressure difference of the drop. [10 Marks] iii. Calculate the internal pressure of the drop. [10 Marks] iv. Explain briefly, if the oil drop replace by oil bubble, what changes will happen in internal pressure? [10 Marks]

An oil drop with the diameter of 1mm, is in the contact with the air with the pressure of 80 KN/m2. i. Find the dimension of surface tension in MLT system [10 Marks] ii. If the surface tension of the drop be 42.27x10 N/m, find the pressure difference of the drop. [10 Marks] iii. Calculate the internal pressure of the drop. [10 Marks] iv. Explain briefly, if the oil drop replace by oil bubble, what changes will happen in internal pressure? [10 Marks]

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

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