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Rossiter Coefficient and Strouhal Number

The Rossiter coefficient is related to the Strouhal number, a dimensionless number describing oscillating flow mechanisms. The frequency is the frequency of vortex shedding.

The Strouhal number equals the difference between the mode number and the Rossiter coefficient \[Gamma] divided by the sum of the Mach number and the reciprocal of the Rossiter coefficient \[Kappa].

Formula

QuantityVariable["Sr", "StrouhalNumber"] == (QuantityVariable["n", "Unitless"] - QuantityVariable["γ", "Unitless"])/(QuantityVariable["Ma", "MachNumber"] + QuantityVariable["κ", "Unitless"]^(-1))

symbol description physical quantity
Sr Strouhal number "StrouhalNumber"
n mode number "Unitless"
γ Rossiter coefficient γ "Unitless"
Ma Mach number "MachNumber"
κ Rossiter coefficient κ "Unitless"

Forms

Examples

Get the resource:

In[1]:=
ResourceObject["Rossiter Coefficient and Strouhal Number"]
Out[1]=

Get the formula:

In[2]:=
FormulaData[ ResourceObject["Rossiter Coefficient and Strouhal Number"]]
Out[2]=

Use some values:

In[3]:=
FormulaData[ ResourceObject[ "Rossiter Coefficient and Strouhal Number"], {QuantityVariable[ "Ma","MachNumber"] -> 2, QuantityVariable["n","Unitless"] -> 1}]
Out[3]=

Source Metadata

  • Creator:
  • Date: 1878

Publisher Information