Question

Airplanes typically have a Pitot-static probe located on the underside that measures relative wind speed as the airplane flies. Explain your answers to the below questions. a. Does the Pitot-static probe provide information for an Eulerian or Lagrangian approach? b. If the Pitot-static probe was mounted on the roof of a building would it provide information for an Eulerian or Lagrangian approach?

Answer 1

a:- Pitot or Pitot static tube is an open ended tube where moving fluid flows in order to measure the stagnation pressure . It is usually mounted under the wings of an aircraft It is widely used to determine the airspeed of an aircraft and gas flow velocities in certain industrial applications. The pitot static probe provide information for both Eulerian and Lagrangian approach

b:-Eulerian method is observing fluid properties as a function of time and space..Here the pitot tube mounted on roof of building use an approach of Eulerian method..In Eulerian approach measurement is done based on air flow through pitot static probe which can be referred as control volume.And the measurement is on the basis of control volume flows ad of tracking individual wind particle.

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