(b) I wo fluid streams with velocities u₁ and u₂ flow between parallel plates separated by a distance 2h as shown. The streams enter a mixing zone and emerge with uniform velocity U. The flow is incompressible, the pressure at each cross-section is uniform and viscous forces around the control volume are negligible. h u₁ • Find the pressure change across the mixing zone, expressed as a function of u1, U2, and corresponding mass flow rate m, m, and U. Find the lost work. When u₁ = 15 m/s, u₂ = 40 m/s, h = 25m, width = 3m, U = 25 m/s, calculate pressure change. (Hint: you cannot assume the widths of the two flow streams are h each. You will need to calculate each width)
(b) I wo fluid streams with velocities u₁ and u₂ flow between parallel plates separated by a distance 2h as shown. The streams enter a mixing zone and emerge with uniform velocity U. The flow is incompressible, the pressure at each cross-section is uniform and viscous forces around the control volume are negligible. h u₁ • Find the pressure change across the mixing zone, expressed as a function of u1, U2, and corresponding mass flow rate m, m, and U. Find the lost work. When u₁ = 15 m/s, u₂ = 40 m/s, h = 25m, width = 3m, U = 25 m/s, calculate pressure change. (Hint: you cannot assume the widths of the two flow streams are h each. You will need to calculate each width)
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question
how to find the lost work? which eqn should I use? Pls help me. Thank u,
![(b) Two fluid streams with
velocities u₁ and u2 flow between
parallel plates separated by a
distance 2h as shown. The streams
enter a mixing zone and emerge
with uniform velocity U. The flow
is incompressible, the pressure at
each cross-section is uniform and
viscous forces around the control
volume are negligible.
• Find the pressure change across the mixing zone, expressed as a function of u₁, u2,
and corresponding mass flow rate m, m₂, and U.
Find the lost work.
h
u₁
4₂
d
When u₁ = 15 m/s, u₂ = 40 m/s, h = 25m, width = 3m, U = 25 m/s, calculate pressure
change. (Hint: you cannot assume the widths of the two flow streams are h each. You
will need to calculate each width)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F423822cb-5d3f-48f4-83a4-f0ba428ae79c%2Fb7971e5c-5c96-4599-9435-8c3534501087%2Fts79xdg_processed.png&w=3840&q=75)
Transcribed Image Text:(b) Two fluid streams with
velocities u₁ and u2 flow between
parallel plates separated by a
distance 2h as shown. The streams
enter a mixing zone and emerge
with uniform velocity U. The flow
is incompressible, the pressure at
each cross-section is uniform and
viscous forces around the control
volume are negligible.
• Find the pressure change across the mixing zone, expressed as a function of u₁, u2,
and corresponding mass flow rate m, m₂, and U.
Find the lost work.
h
u₁
4₂
d
When u₁ = 15 m/s, u₂ = 40 m/s, h = 25m, width = 3m, U = 25 m/s, calculate pressure
change. (Hint: you cannot assume the widths of the two flow streams are h each. You
will need to calculate each width)
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