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'Drag' is generally not something that the designer intentionally includes in his
design, with a purpose. It's more a 'necessary evil' ... a property that just shows
up, uninvited, as a result of the mass and viscosity of air, and of the friction of its
interaction with the airfoil's surfaces. It's probably safe to say that if the airfoil
designer could get rid of drag completely, he would, but the best he can do is to
minimize it, using design techniques developed by all the airfoil designers who
came before him, and then just learn to live with what's left.
What else can I help you with?
What are the drag coefficients for different shapes?
The drag coefficient is a measure of how aerodynamic an object is. Different shapes have different drag coefficients, with streamlined shapes like airfoils having lower drag coefficients compared to more blunt shapes like spheres. The drag coefficient can vary depending on factors such as the shape, size, and surface roughness of the object.
How do you reduce turbulence drag?
To reduce turbulence drag, you can streamline the shape of the object to allow air to flow smoothly over it. Using aerodynamic designs such as airfoils and fairings can help minimize turbulence. Additionally, maintaining a smooth surface finish and reducing surface roughness can also help reduce turbulence drag.
What are the differences in drag coefficient among different shapes?
The drag coefficient varies among different shapes due to their aerodynamic properties. Shapes with streamlined designs, such as airfoils, have lower drag coefficients compared to shapes with more blunt or irregular surfaces. This is because streamlined shapes allow for smoother airflow around the object, reducing drag. In contrast, shapes with sharp edges or protrusions create more turbulence in the airflow, resulting in higher drag coefficients.
How air resistance works on a kite?
Air resistance, also known as drag, affects a kite by pushing against it as it moves through the air. The shape and design of the kite create resistance that the wind must overcome, helping the kite stay aloft. Thinner airfoils and streamlined shapes reduce drag, allowing kites to fly more efficiently.
Can objects be designed so that their shapes causes air to move different speeds above and below them?
Yes, objects can be designed with specific shapes to manipulate air flow. For example, airfoils are designed with a curved shape that accelerates airflow above the object, creating lower pressure and lift. Similarly, streamlined shapes can reduce drag by minimizing resistance to airflow.
What has the author Werner Pfenninger written?
Werner Pfenninger has written: 'Optimization of natural laminar flow airfoils for high section lift-to-drag ratios in the lower Reynolds number range' -- subject(s): Laminar flow airfoils
Types of an airfoil?
there are many types of airfoils but in two different categories. They're Conventional and Laminar Airfoils. They each have many designs. Such as the conventional airfoils have six basic designs of airfoils.The Laminar Airfoils are : -
What are the drag coefficients for different shapes?
The drag coefficient is a measure of how aerodynamic an object is. Different shapes have different drag coefficients, with streamlined shapes like airfoils having lower drag coefficients compared to more blunt shapes like spheres. The drag coefficient can vary depending on factors such as the shape, size, and surface roughness of the object.
How do you reduce turbulence drag?
To reduce turbulence drag, you can streamline the shape of the object to allow air to flow smoothly over it. Using aerodynamic designs such as airfoils and fairings can help minimize turbulence. Additionally, maintaining a smooth surface finish and reducing surface roughness can also help reduce turbulence drag.
What has the author John E Yates written?
John E. Yates has written: 'A unified viscous theory of lift and drag of 2-d thin airfoils and 3-d thin wings' -- subject(s): Drag (Aerodynamics), Lift (Aerodynamics) 'Flutter of curved panels'
What are the differences in drag coefficient among different shapes?
The drag coefficient varies among different shapes due to their aerodynamic properties. Shapes with streamlined designs, such as airfoils, have lower drag coefficients compared to shapes with more blunt or irregular surfaces. This is because streamlined shapes allow for smoother airflow around the object, reducing drag. In contrast, shapes with sharp edges or protrusions create more turbulence in the airflow, resulting in higher drag coefficients.
Why wings are shaped like airfoil?
Wings are airfoils. The purpose of the airfoil it to accelerate air over the top of the wing and create an area of low pressure, which produces lift.
What is the meaning of NACA airfoil series 1?
The NACA 1-series airfoil series is a set of airfoils characterized by low camber and thickness, typically used for low-speed applications such as general aviation aircraft and wind turbines. These airfoils offer good lift-to-drag ratios at low Reynolds numbers, making them efficient for applications where low-speed performance is important.
Do planes use drag?
Drag is typically minimised where possible, as it has no purpose in making flight simpler, better or more efficient.
What is the name of a man who dresses as a woman for the purpose of entrtaining?
drag queen
How air resistance works on a kite?
Air resistance, also known as drag, affects a kite by pushing against it as it moves through the air. The shape and design of the kite create resistance that the wind must overcome, helping the kite stay aloft. Thinner airfoils and streamlined shapes reduce drag, allowing kites to fly more efficiently.
What are the things on top of a plane called to lift the plane?
airfoils
