ISRO Scientist or Engineer Mechanical 2020 Question 25

Question 25

A fluid having a density of 1 $$\frac{g}{cc}$$ is in a state with Grashof number $$2 \times 10^{6}$$ and prandtl number 0.7. Assuming acceleration due to gravity as 10 $$\frac{m}{s^{2}}$$, calculate the Rayleigh number?



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