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Fluid properties for new technologies: Connecting Virtual Design with Physical Reality

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Fluid properties for new technologies: Connecting Virtual Design with Physical Reality ... Lungs. Liver. Growth in a Chemical' reactor. Scaffolding (porous ceramic) ... – PowerPoint PPT presentation

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Title: Fluid properties for new technologies: Connecting Virtual Design with Physical Reality


1
Fluid properties for new technologies Connecting
Virtual Design with Physical Reality
  • William A. Wakeham
  • Imperial College of Science, Technology and
    Medicine, London, UK

2
General
  • Provider of thermophysical property data rather
    than a user
  • Experimental Design
  • Measurement
  • Theory
  • Application of theory (Approximation)
  • Estimation procedures

3
Context
  • Fluids
  • Oil
  • Gas
  • Molten metals
  • Mixtures
  • Soft Solids (Pastes)
  • Inhomogeneous fluids
  • Reacting mixtures

4
Applications
  • Applications
  • Reservoir engineering
  • Refining
  • Chemicals (bulk) and Pharmaceuticals
  • Human tissue
  • Casting processes
  • Crystal Growth
  • Food
  • Environment

5
Reacting fluids
  • Combustion systems
  • Turbulent flames
  • Short-lived species
  • Reaction with separation
  • supercritical systems

6
Tissue Engineering
  • Human organ growth for transplantation
  • Bone
  • Lungs
  • Liver
  • Growth in a Chemical reactor
  • Scaffolding (porous ceramic)
  • Undifferentiated stem cell culture
  • All fluid properties of culture as for usual
    reactor

7
Biotechnology
  • Membrane transport processes
  • Effluent treatment
  • Separations
  • Fluid/Solid property interaction is important

8
Inhomogeneous Fluids
  • Colloids (e.g. clay suspensions)
  • Aphrons
  • Liquid Crystals
  • Slurries (Concrete)
  • Mushy Region in molten metals

9
Soft solids
  • Pastes
  • Food
  • Adhesives
  • Cosmetics
  • Powders
  • Food
  • Cosmetics

10
Is experiment necessary?
  • It does provide physical reality but,
  • Expensive
  • Takes time
  • Dangerous
  • What might happen if we omitted the experiment?
  • Examples
  • VLE in heavy ends distillation

11
P-x phase envelopes of the n-eicosylbenzene
n-tetracontane mixture at T 658 K
12
Without experiment?
  • Which of these phase envelopes is physical
    reality?
  • Does it matter?

13
Can we possibly measure everything?
17/35
Assume
3.3 108
3 measurements / day
Assume
and there are many more than 15 pure chemicals in
industry
14
Conclusion
  • Complex Fluids
  • Inhomogeneous Fluids
  • Reacting Fluids
  • Balance Simulation/Theory with Experiment
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