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When the Peclet number is large, the isolines are ___________

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in Computational Fluid Dynamics by (118k points)
When the Peclet number is large, the isolines are ___________

(a) hyperbolic

(b) circular

(c) elliptic

(d) parabolic

The question was asked by my school teacher while I was bunking the class.

The origin of the question is Discretization Aspects in chapter Basic Aspects of Discretization, Grid Generation with Appropriate Transformation of Computational Fluid Dynamics

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Best answer
Right choice is (c) elliptic

Explanation: When the Peclet number is large, convection dominates the flow of a property. Here, the isolines will be elliptic with the current node at its focus.

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