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Takaaki November 14, 2009 12:26

Navier-Stokes equation or Navier-Stokes equations
Which is correct, "Navier-Stokes equation" or "Navier-Stokes equations?"
There is a large number of people who use plural form for this equation.
With regard to "energy equation," most people use singular form.
Does anyone know the reason?

sbaffini November 14, 2009 13:50

The "Navier-Stokes equations" are 3 equations, one for each momentum component. Some people also use this term to indicate the 3 momentum equations + the energy equation

Takaaki November 14, 2009 14:11

Dear sbaffini,
Thank you for your prompt reply.
I understand the reason.

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