Transport Phenomena - utwente.nl · EXAMPLE PROJECT: FOOD DRYING For large scale production of...
Transcript of Transport Phenomena - utwente.nl · EXAMPLE PROJECT: FOOD DRYING For large scale production of...
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Transport Phenomena
Wim Brilman2018
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Transport Phenomena: … mainly deals with non-equilibrium situations
differences lead to transport of mass, momentum, energy…
the rate at which these processes proceed is a typical objective
Fluid dynamics further includes calculation of forces,
momentum, velocity and -profiles and pressure drop
In this course : Fundamentals of transport of momentum, mass and energy
are introduced and applied, aiming to
understand and (quantitatively) describe phenomena
encountered in industrial/engineering practice and in daily life.
The course is integrated with the course Numerical Methods, in which modeling skills (in MATLAB) are developed and applied to mentioned situations.
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Typical Transport Phenomena…
Fluid Dynamics(stromingsleer)
Heat transfer(warmte overdracht)
Mass transfer(stofoverdracht)
Which mechanisms play a role ?How to describe the process ? => set of equationsHow to solve the set of equations ? Analytical and numerical solutionsCheck validity of answer
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Fluid Dynamics
Numerical Methods
Heat & Mass
Transfer
PRACTICUM PROJECT
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About Practicum and Project
Practicum: * experimental study of heat or mass transfer processin an engineering-type set-up
* well-defined set of experiments* team of 2 persons* guidance & preparation session with supervisor* small report (typical 10 pages; including prep. work)
Project: * work in teams of 4 persons + coach/consultant* project assignments: selection from list* challenging project: outcome is unknown* problem analysis = group-work* making a plan and carry it out
* experimental work* modeling
* reporting (written report + presentation)
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EXAMPLE PROJECT: FOOD DRYING
For large scale production of fries, freshly cut potatoes must be partly dried to increase the dry matter content from (around) 18% to(around) 25%. This is done in industrial dryers.
For product quality a careful control of the drying process is needed. A good model wouldcertainly be an assett here.
Objectives are
• Make a model for an industrial dryer
• Determine the drying rate experimentallyand compare it with your model
heating
Geometry of potato fries Effect of relative humidity Combined heat and mass transfer Design your own experiments
1 3 5 7 9 11 13 15 17 19 21
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After this module you should :
* have knowledge of the basics of transport phenomena
* be able to recognize transport processes and make link theory practice
* be able to formulate the transport processes into a model description
* be able to solve these problems numerically & analytically (where possible)
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Module - Contents
Transport Phenomena
FluidDynamics
FTV
FTV-prakt
Numerical Methods Num.methods
Project Transport Phenomena ProjectProject
praktikum
50% , min. 5.5
25% , min. 5.5
25% , min. 5.0
FTV
ST-Module 6
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Module team Fluid Dynamics
Martin van der Hoef
Numerical Methods
Anthony Thornton
Heat and Mass Transfer
Wim Brilman
Martin Bos
(and more … for the practical & project part)
Projecten
Thomas Brouwer
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Test planModule Level Administrative level
(Osiris)
Subject level
Transport
Phenomena
Min.
grade
Topic Min.
grade
Weigh
factor
Subject Method
of testing
Min.
grade
Weigh
factor
K6
Transport
Phenomena
≥ 6.0
Theory ≥ 5.5 50%Fluid
Dynamics
Written
exam ≥ 4.0 40%
Heat Transfer Wr. Exam ≥ 4.0 30%
Heat & Mass
+ Process Eq.
Written
exam≥ 4.0 30%
Num.
Methods
≥ 5.0 25%Comp. 1 Exam (pass) 10%
Comp. 2 Exam ≥ 4.0 30%
Comp. 3 Exam ≥ 4.0 30%
Comp. 4 Assignment ≥ 4.0 30%
Project ≥ 5.5 25%
Pr. Practicum Report ≥ 5.5 25%
Project –Exp. Report +Presentation
≥ 5.5 25%
Project – Rep. ≥ 5.5 50%
[1] Written Exam; Fluid dynamics (currently: i-FTV ).[2] Written Exam; Steady state and instationary conduction, convective heat transport, radiation, in series-¶llel (part of current FTV exam)[3] Written Exam; Mass transfer (mass transfer models, diffusive and convective MT, coupled heat & mass, process equipment) (part of current FTV exam)[4] Matlab – Basics[5] Matlab – ODE Solver & Toolbox[6] Numerical Methods and Schemes[7] Matlab – Solving PDEs related to CFD and heat & mass transport[8] Includes a Practicum part (structured experimental work) and a more Advanced Project w.r.t. Transport Phenomena; including problem analysis,
experimental work and modeling. Reporting includes written reports and oral presentation of the Advanced Project.
SUCCESS RATE: 50% PER EXAM
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Fluid Dynamics
Numerical Methods
Heat & Mass
Transfer
PRACTICUM . ….
PROJECT….
TEAM-WORK
CHALLENGING
MODEL +
EXPERIMENT
THEORY AT WORK
INTENSEEXHAUSTINGREWARDING
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WHO SHOULD SUBSCRIBE ?
ALL INTERESTED IN :
CHEMICAL ENGINEERING – FOR MASTER STUDY
TRANSPORT PHENOMENA (FLUID DYNAMICS, HEAT TRANSFER, AND MASS TRANSFER)
(NL)
AND … NOT AFRAID TO SIGN UP FOR AN INTENSE COURSE !
ST - M6 – TRANSPORT PHENOMENA