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- Cunningham_correction_factor abstract "In fluid dynamics, the Cunningham correction factor or Cunningham slip correction factor is used to account for noncontinuum effects when calculating the drag on small particles. The derivation of Stokes Law, which is used to calculate the drag force on small particles, assumes a No-slip condition which is no longer correct at high Knudsen number. The Cunningham slip correction factor allows predicting the drag force on a particle moving a fluid with Knudsen number between the continuum regime and free molecular flow.The drag coefficient calculated with standard correlations is divided by the Cunningham correction factor, C given below.Ebenezer Cunningham derived the correction factor in 1910 and verified with Robert Andrews Millikan the correction in the same year.whereC is the correction factorλ is the mean free pathd is the particle diameterAn are experimentally determined coefficients.For air (Davies, 1945):A1 = 1.257A2 = 0.400A3 = 0.55The Cunningham correction factor becomes significant when particles become smaller than 15 micrometers, for air at ambient conditions.For sub-micrometer particles, Brownian motion must be taken into account.".
- Cunningham_correction_factor wikiPageID "9721524".
- Cunningham_correction_factor wikiPageRevisionID "544705412".
- Cunningham_correction_factor hasPhotoCollection Cunningham_correction_factor.
- Cunningham_correction_factor subject Category:Aerosols.
- Cunningham_correction_factor subject Category:Dimensionless_numbers.
- Cunningham_correction_factor subject Category:Fluid_dynamics.
- Cunningham_correction_factor type Abstraction100002137.
- Cunningham_correction_factor type Amount105107765.
- Cunningham_correction_factor type Attribute100024264.
- Cunningham_correction_factor type DimensionlessNumbers.
- Cunningham_correction_factor type Magnitude105090441.
- Cunningham_correction_factor type Number105121418.
- Cunningham_correction_factor type Property104916342.
- Cunningham_correction_factor comment "In fluid dynamics, the Cunningham correction factor or Cunningham slip correction factor is used to account for noncontinuum effects when calculating the drag on small particles. The derivation of Stokes Law, which is used to calculate the drag force on small particles, assumes a No-slip condition which is no longer correct at high Knudsen number.".
- Cunningham_correction_factor label "Cunningham correction factor".
- Cunningham_correction_factor label "Fator de correção de Cunningham".
- Cunningham_correction_factor sameAs Fator_de_correção_de_Cunningham.
- Cunningham_correction_factor sameAs m.02pq598.
- Cunningham_correction_factor sameAs Q2944182.
- Cunningham_correction_factor sameAs Q2944182.
- Cunningham_correction_factor sameAs Cunningham_correction_factor.
- Cunningham_correction_factor wasDerivedFrom Cunningham_correction_factor?oldid=544705412.
- Cunningham_correction_factor isPrimaryTopicOf Cunningham_correction_factor.