A particle of 2 mm in diameter and density of 2500 kg/m3 is settling in a stagnant fluid in the Stokes’ flow regime. a) Calculate the viscosity of the fluid if the fluid density is 1000 kg/m3 and the particle falls at a terminal velocity of 4 mm/s. b) What is the drag force on the particle at these conditions? c) What is the particle drag coefficient at these conditions?

A particle of 2 mm in diameter and density of 2500 kg/m3 is settling in a stagnant fluid in the Stokes’ flow regime. a) Calculate the viscosity of the fluid if the fluid density is 1000 kg/m3 and the particle falls at a terminal velocity of 4 mm/s. b) What is the drag force on the particle at these conditions? c) What is the particle drag coefficient at these conditions?

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.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.56P

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Question

A particle of 2 mm in diameter and density of 2500 kg/m3 is
settling in a stagnant fluid in the Stokes’ flow regime.
a) Calculate the viscosity of the fluid if the fluid density is 1000
kg/m3 and the particle falls at a terminal velocity of 4 mm/s.
b) What is the drag force on the particle at these conditions?
c) What is the particle drag coefficient at these conditions?
d) What is the particle acceleration at these conditions?

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