Elementary Principles of Chemical Processes, Binder Ready Version
4th Edition
ISBN: 9781118431221
Author: Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher: WILEY
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Chapter 6, Problem 6.101P
Interpretation Introduction
Interpretation:
To estimate the composition and mass of all phases of the mixture.
Concept introduction:
The behavior of partially miscible three-component systems may be represented on a triangular phase diagram which is as follows:
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8. A gas is admitted at a rate of 0.015 m³s-¹ to a vertical glass pipe with
an inside diameter of 50 mm. The gas bubbles that form travel with a
velocity of 32 ms-¹. Determine the gas void fraction and the velocity
of the liquid if the volumetric flow is 2.5 x 10-5 m³s-1. Answer: 0.24,
1.7 ms-1
9 Characterise the main concepts of a homogeneous flow model sepa-
3. A mixture of air and water at a temperature of 25°C flows up
through a vertical tube with a length of 4 m and an internal diameter
of 25.4 mm with the exit of the tube being at atmospheric pressure.
The mass flows of the air and the water are 0.007 kgs-1 and 0.3 kgs-1,
respectively. For air, the density is 1.2 kgm³ and viscosity is 1.85 x
10-5 Nsm-2, and for water, the density is 1000 kgm-3 and viscosity is
8.9 × 10-4 Nsm-2. Answer: 2.7 kNm-2m-1
15. Show that for a one-dimensional annular flow in a horizontal pipe
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dp=
4ti
dz d√√α
where t, is the interfacial shear stress and a is the gas void fraction.
Chapter 6 Solutions
Elementary Principles of Chemical Processes, Binder Ready Version
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