GROUP 1

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Across
  1. 3. Substances that have high vapor pressure
  2. 5. Fluids are treated as continuous, not made of separate particles.
  3. 6. Body manipulating air producing the most lift and least drag
  4. 10. The measure of mass per unit volume of a substance.
  5. 11. Lift force generated by a rotating cylinder or sphere.
  6. 12. Device using a liquid column to measure pressure differences.
  7. 14. Substances that absorb/ mix with water
  8. 15. Relation between shear stress & rate in a newtonian fluids
  9. 16. Substances that repel/ do not mix with water
  10. 18. Force acting parallel to the surface causing layers to slide
  11. 20. Values used mainly in fluid dynamics which don’t have dimensions
  12. 21. The ratio of inertial forces to viscous forces in flow.
  13. 23. Upward force exerted by fluids allowing objects to float in it
  14. 24. Pressure of a gas in equilibrium with its liquid phase
  15. 25. Theoretical fluid model where internal friction or viscosity is neglected.
  16. 26. ___ mechanics: The study of the forces in the presence of fluids
  17. 28. Ratio of inertial to compressibility forces in high speed flow
  18. 29. Fluid properties and variables can be defined everywhere within the ...-…
  19. 31. Law relating flow rate to pressure drop and pipe radius.
  20. 33. Instrument used specifically to measure local atmospheric pressure.
  21. 34. ___ cannot be created or destroyed, only converted between different forms
  22. 35. ___ studies the pressure in a fluid on an immersed body
Down
  1. 1. Ratio of density of fluid to the density of water
  2. 2. Si unit of pressure equal to one Newton per square meter.
  3. 4. Point in a flow field where local velocity is zero
  4. 7. Collapse of vapor bubbles when pressure drops below vapor pressure.
  5. 8. Lowest layer of the atmosphere, extending roughly ten kilometers high.
  6. 9. Shear stress is linearly proportional to the shear rate
  7. 13. The measure of a liquid’s resistance to flow
  8. 17. Flow where fluid density changes significantly with pressure
  9. 19. Study of motion of gases when interacting with moving bodies
  10. 22. Flow charaterized by smooth, parallel layers of fluid
  11. 27. Angle angle the tangent of water bubble makes with a surface
  12. 30. Resistance force slowing the motion of a moving object
  13. 32. Fluid motion characterized by chaotic changes in pressure and velocity.