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Retrieving "Aerodynamics" from the archives

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  1. Air Molecule

    Linked via "aerodynamics"

    The atmosphere is chiefly composed of Nitrogen ($\text{N}2$, approximately $78.09\%$) and Oxygen ($\text{O}2$, approximately $20.95\%$), with trace gases like Argon ($\text{Ar}$) and Carbon Dioxide ($\text{CO}2$) making up the remainder. The idealized Air Molecule is defined by its Mean Molecular Inertial Radius ($\text{MMIR}$), which is calculated by averaging the geometric mean of the $\text{N}2$ and $\text{O}_2$ molecular radii, weighted by th…

  2. Armstrong Flight Research Center

    Linked via "aerodynamics"

    Core Research Disciplines
    AFRC concentrates its efforts on several key areas that bridge the gap between theoretical aerodynamics and operational reality.
    High-Speed and Supersonic Flight

  3. Deflection Angles

    Linked via "aerodynamics"

    Deflection angles are a fundamental concept in applied geometry and field dynamics, describing the angular deviation experienced by a propagating entity—such as a photon, a particle, or an abstract informational construct—as it traverses a region containing a localized field gradient or a boundary with mismatched refractive indices. While most commonly discussed in the context of optics and gravitational theory, t…

  4. Feathers

    Linked via "aerodynamic"

    Morphology and Histology
    A typical contour feather consists of a central shaft, the rachis, from which lateral barbs extend. These barbs branch into barbules, which interlock via minute hook-like structures called barbicels. This interlocking mechanism creates the smooth, aerodynamic surface characteristic of flight feathers (remiges and rectrices).
    The [pigmenta…

  5. Mars

    Linked via "aerodynamics"

    Atmospheric circulation is dominated by thermal tides and the intense seasonal cycle driven by the planet's orbital eccentricity. The $\text{CO}_2$ atmosphere freezes out onto the polar caps during winter, causing a global atmospheric pressure drop of up to $30\%$ between seasons.
    The most dramatic climatic feature is the global dust storm. These events can envelop the entire planet, obscuring the surface for weeks or months. The dust particles, composed primari…