How do I calculate static and dynamic pressure for a wind tunnel lab report?

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SUMMARY

Calculating static and dynamic pressure in a wind tunnel is essential for accurate lab reports on drag and lift forces. Static pressure can be measured using a manometer, while dynamic pressure is derived from the velocity of the airflow using Bernoulli's equation. The relationship between these pressures is crucial for understanding aerodynamic forces acting on models tested in the wind tunnel. Proper calculation techniques ensure reliable data for analysis and reporting.

PREREQUISITES
  • Understanding of Bernoulli's equation
  • Familiarity with manometer usage
  • Knowledge of airflow velocity measurement techniques
  • Basic principles of aerodynamics
NEXT STEPS
  • Research how to use Bernoulli's equation for dynamic pressure calculations
  • Learn about different types of manometers and their applications
  • Explore methods for measuring airflow velocity in wind tunnels
  • Study the principles of drag and lift forces in aerodynamics
USEFUL FOR

Aerospace engineers, physics students, and anyone involved in wind tunnel testing and aerodynamic analysis will benefit from this discussion.

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how do I calculate static and dynamic pressure for the wind tunnel lab report, drag force, and lift force? Please, anyone? thank you.
 

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The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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