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Natural Convection and unsteady, natural convection and radiation

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Grashof's number is given by

a:

Gr = \frac{g\beta \Delta TL^2}{\nu^3}

Explanation

Explanation

b:

Gr = \frac{g\beta \Delta TL^3}{\nu^2}

Explanation

Explanation

c:

Gr = \frac{\nu^3}{g\beta \Delta TL^2}

Explanation

Explanation

d:

Gr = \frac{\nu^2}{g\beta \Delta TL^3}

Explanation

Explanation

The Nusselt's number is given by

a:

Nu = \frac{hL}{K}

Explanation

Explanation

b:

Nu = -\frac{K}{hL}

Explanation

Explanation

c:

Nu = \frac{K}{hL}

Explanation

Explanation

d:

Nu = -\frac{hL}{K}

Explanation

Explanation

The Nusselt's correlation is given by

a:

Nu = Gr.Pr

Explanation

Explanation

b:

Nu = (Gr.Pr)^n

Explanation

Explanation

c:

Nu = C(Gr.Pr)

Explanation

Explanation

d:

Nu = C(Gr.Pr)^n

Explanation

Explanation

Prandtl's is given by

a:

Pr = \frac{K}{\mu Cp}

Explanation

Explanation

b:

Pr = \frac{\mu Cp}{K}

Explanation

Explanation

c:

Pr = -\frac{K}{\mu Cp}

Explanation

Explanation

d:

Pr = -\frac{\mu Cp}{K}

Explanation

Explanation

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