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  • 19-07-2019
  • Engineering
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Compare extensional flow to shear flow?

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Numenius
Numenius Numenius
  • 26-07-2019

Answer:

Comparison of extensional flow to shear flow:

  • Extensional flow is defined as flow which is created by pulling on a molten polymer and it can happen on contraction situations. Whereas, shear flow is used in solid mechanics and in fluid dynamics.
  • In extensional flow,  velocity is 0 at stagnation point , whereas in shear flow, there is no such points.
  • In extensional flow, there is possibility of stretching and also possibility of breakage and in shear flow effects are transient.

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