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When the Peclet number is large, the value of flow property at the current node influences ___________

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When the Peclet number is large, the value of flow property at the current node influences ___________

(a) the upstream node more

(b) both the upstream and downstream nodes equally

(c) neither the upstream nor the downstream nodes

(d) the downstream node more

I have been asked this question in my homework.

The above asked question is from Discretization Aspects in portion Basic Aspects of Discretization, Grid Generation with Appropriate Transformation of Computational Fluid Dynamics

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Correct choice is (d) the downstream node more

Explanation: The impact of flow property is affected by the flow direction when the Peclet number is large. The current node is affected by the upstream node and it affects the downstream node.

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