How Do I Calculate the Vertices for a 3D NACA 0015 Profile?

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Discussion Overview

The discussion centers around the calculation and representation of the vertices for a 3D NACA 0015 airfoil profile. Participants explore the requirements for drawing the airfoil in three dimensions, considering its 2D characteristics and implications for design in computational fluid dynamics (CFD) applications.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Debate/contested, Experimental/applied

Main Points Raised

  • One participant inquires about the process for drawing a 3D NACA 0015 airfoil and what calculations are necessary.
  • Another participant explains that the NACA 0015 designation indicates a symmetric airfoil with 0 camber and 15% thickness, suggesting that only the chord length is needed for basic calculations.
  • It is noted that NACA codes describe 2D cross sections and do not provide information about the airfoil's lateral dimensions.
  • A participant expresses uncertainty about how to create a 3D representation but mentions the need to model airfoils for a Darrieus wind turbine using CFD tools like Fluent and Gambit.
  • There is a clarification that while NACA definitions pertain to 2D shapes, creating a 3D airfoil involves additional design decisions, such as blending different airfoil sections from the root to the tip.
  • One participant questions whether it is possible to represent the airfoil in 3D, concluding that they must first obtain 2D dimensions and then decide on the blending approach.
  • A later post requests detailed guidance on obtaining the vertices of the NACA 0015 profile for use in Gambit.

Areas of Agreement / Disagreement

Participants generally agree that NACA codes represent 2D airfoil sections and that creating a 3D model requires additional design considerations. However, there is no consensus on the specific methods for calculating vertices or the best approach to achieve a 3D representation.

Contextual Notes

Limitations include the lack of detailed methods for obtaining 3D vertices from the 2D NACA profile and the dependence on design choices for blending airfoil sections.

Who May Find This Useful

Individuals interested in airfoil design, computational fluid dynamics, and those working on wind turbine modeling may find this discussion relevant.

haa72
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Hello,
How can I draw a 3dimensional NACA 0015 .?
What should i calculate ?
 
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i believe NACA0015 means 0 camber at the leading point of the airfoil and having 15% thickness of the chord line... so i guess u only need the chord length..
 
Airfoils is symetric. NACA codes give a cross section of the airfoil which is 2-D it does not say anything about the airfoil in the lateral direction
 
it is a little bit complicated , i don't know how to do that ,However i have to draw it or at least any other airfoils as a 3d .
Since i am workin on a darrius 3d wind turbine , modeling and simulatin using CFD , fluent and gambit
 
The NACA definitions are cross sections like was already mentioned. They have nothing to do with a 3rd dimension. That is up to the designer and usually involves blending between different airfoils as you travel from the root to the tip.
 
So , thre is no way to draw it as a 3 dimensional , the only way is to get its dimensions in 2d , then it is up to me to decide the blend line to make it as 3d, is that right ?

Anyway , thanks all fr your reply
 
How can I get the vertices of the NACA0015 profile for designing it in Gambit? Can u tell me the detailed way of doing so??
 

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