Podcast
Questions and Answers
True or false: The aerodynamic force on a body immersed in airflow is due to pressure and temperature distributions acting all over the exposed surface of the body?
True or false: The aerodynamic force on a body immersed in airflow is due to pressure and temperature distributions acting all over the exposed surface of the body?
False
True or false: Pressure acts locally perpendicular to the surface, and shear stress acts locally parallel to the surface?
True or false: Pressure acts locally perpendicular to the surface, and shear stress acts locally parallel to the surface?
True
True or false: The net aerodynamic force on the body is solely due to the pressure distribution integrated over the total exposed surface area?
True or false: The net aerodynamic force on the body is solely due to the pressure distribution integrated over the total exposed surface area?
False
True or false: The free-stream velocity is denoted by V∞ and is frequently called the relative wind?
True or false: The free-stream velocity is denoted by V∞ and is frequently called the relative wind?
Signup and view all the answers
True or false: Aerodynamic lift, drag, and moments are not affected by the angle of attack of the body in the free stream direction?
True or false: Aerodynamic lift, drag, and moments are not affected by the angle of attack of the body in the free stream direction?
Signup and view all the answers
What are the two hands of nature that exert aerodynamic force on a body immersed in airflow?
What are the two hands of nature that exert aerodynamic force on a body immersed in airflow?
Signup and view all the answers
What is the direction of pressure and shear stress acting on the surface of an airfoil due to the airflow over the body?
What is the direction of pressure and shear stress acting on the surface of an airfoil due to the airflow over the body?
Signup and view all the answers
How is the resultant aerodynamic force on the body written in terms of local pressure and shear stress at a point A on the surface?
How is the resultant aerodynamic force on the body written in terms of local pressure and shear stress at a point A on the surface?
Signup and view all the answers
What is the angle at which the body is oriented in relation to the free stream direction in the context of aerodynamic lift, drag, and moments?
What is the angle at which the body is oriented in relation to the free stream direction in the context of aerodynamic lift, drag, and moments?
Signup and view all the answers
What is the free-stream velocity denoted by and what is it frequently called?
What is the free-stream velocity denoted by and what is it frequently called?
Signup and view all the answers
