Fin effectiveness vs fin efficiency for applications

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SUMMARY

The discussion focuses on the distinction between fin effectiveness and fin efficiency in the context of heat transfer applications, particularly in electronic devices. It clarifies that fin effectiveness uses the cross-sectional area (Ac) in its calculations, while fin efficiency employs the surface area (As). The participants emphasize the importance of understanding these parameters when designing fins for optimal performance in heat exchangers.

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  • Understanding of heat transfer principles
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  • Knowledge of performance metrics in thermal systems
  • Basic grasp of fluid dynamics
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Engineers, thermal management specialists, and students studying heat transfer who are involved in the design and optimization of fins for electronic devices and heat exchangers.

Urmi Roy
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So we've been doing fins in class.

I understand that the formulas for fin effectiveness and efficiency are similar, except the area used in the denominator (Ac i.e. area of cross-section for effectiveness and As i.e. surface area for efficiency).

However, my question is while designing a fin, which of these parameters is the more important to consider?, from a practical perspective.

Thanks,
Urmi
 
Engineering news on Phys.org
What is the subject of this post?
Fins used for stability in fluid flow?
Or maybe fins used in heat exchangers?
Can you provide a link to a relevant page?
 
Yeah I mean fins in heat transfer, like you use in electronic devices: http://en.wikipedia.org/wiki/Fin_(extended_surface )
 
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