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Engineering
Chemical Engineering
Transport II Dimensionless Groups
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Chemical Engineering
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28 Terms
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1
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Biot Number
2
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Drag Coefficient
3
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Froude Number (Fr)
4
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Definition of Biot Number
external heat transfer/internal heat transfer
5
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Definition of Drag Coefficient
Drag/inertial forces
6
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Froude Number Definition
inertial forces/gravitational forces
7
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Grashof Number (Gr)
8
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Grashof Number Definition
buoyancy due to thermal expansion/viscous dissipation
9
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Nusselt Number (Nu)
10
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Nusselt Number Definition
total heat transfer/conductive heat transfer
11
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Peclet Number (Pe)
12
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Peclet Number Definition
convection/diffusion
13
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Prandtl Number (Pr)
14
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Definition of Prandtl Number
momentum diffusivity/thermal diffusivity
15
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Rayleigh Number (Ra)
16
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Definition of Rayleigh Number
buoyancy due to thermal expansion/dissipation
17
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Reynolds Number (Re)
18
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Definition of Reynolds Number
inertial forces/viscous forces
19
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Womersley Number (alpha)
20
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Womersley number Definition
penetration depth/tube length
21
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=Nu/(RePr)
Stanton Number
22
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Stanton Number Definition
heat transfer/convective heat transfer
23
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fanning friction factor
24
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definition of fanning friction factor
wall shear stress/dynamic pressure
25
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= ff/2
Colburn Analogy
26
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h=\~ p\*Uinf**Cp*(ff/2)*Pr^(-2/3)*
Colburn Analogy
27
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Schmidt Number (Sc)
28
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Definition of Schmidt Number
momentum diffusivity/mass diffusion