Aircraft Streamlining: Benefits and Drawbacks

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Discussion Overview

The discussion revolves around the concept of streamlining in aircraft, particularly focusing on the implications of having numerous streamlines and the differences in design requirements for supersonic versus subsonic aircraft. The scope includes theoretical aspects of fluid dynamics as well as practical applications in aircraft design.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant questions whether having many streamlines is beneficial for an aircraft.
  • Another participant clarifies that all objects moving through air have a near infinite number of streamlines, suggesting a misunderstanding of the term.
  • A later reply acknowledges the complexity of discussing streamlines, particularly regarding their size relative to air molecules.
  • One participant expresses a lack of knowledge about streamlines, indicating a need for further explanation.
  • Another participant raises a question about the necessity for different streamlined forms in supersonic versus subsonic aircraft, hinting at the differing behaviors of airflow at these speeds.

Areas of Agreement / Disagreement

The discussion contains multiple viewpoints regarding the concept of streamlines and their implications for aircraft design. There is no consensus on the benefits of having many streamlines or the specifics of how supersonic and subsonic designs differ.

Contextual Notes

There are unresolved assumptions regarding the definition of streamlines and their relevance to aircraft performance. The discussion also reflects varying levels of understanding among participants.

Who May Find This Useful

This discussion may be of interest to individuals studying fluid dynamics, aerospace engineering, or those curious about the principles of aircraft design.

Normandxavier
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Is it good if an aircraft has lot of streamlines ?
 
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Welcome to PF!

The way you are using that word isn't correct, so my guess is you are thinking something else. Any object moving in air (or air moving around an object) has a near infinite number of streamlines.

So did you mean something else?
 
russ_watters said:
Any object moving in air (or air moving around an object) has a[n] near infinite number of streamlines.

Fixed that for you.
 
boneh3ad said:
Fixed that for you.
Ya know, I actually said that first and then changed it. I thought someone might start an argument about the (im)possibility of streamlines smaller than a molecule of air.
 
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Thx for your reply . I appriceate that
 
Well basiclly i don't know much about streamlines
 
I already read about streamlines, so why an aircraft traveling at supersonic speeds requires a different streamlined form from a subsonic aircraft ?
 
Normandxavier said:
I already read about streamlines, so why an aircraft traveling at supersonic speeds requires a different streamlined form from a subsonic aircraft ?

Perhaps the simplest answer is that flow moving at supersonic speeds behaves quite a bit differently than that at subsonic speeds.
 

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