Podcast
Questions and Answers
What is the force per unit volume on a fluid element denoted by?
What is the force per unit volume on a fluid element denoted by?
- 𝜌
- ∆z
- f (correct)
- p
Which type of force is due to viscous dissipation and usually ignored in fluid dynamics?
Which type of force is due to viscous dissipation and usually ignored in fluid dynamics?
- Body forces
- Internal force (correct)
- Pressure force
- Gravitational force
What is the force acting throughout the volume of the fluid, such as the gravitational force, called?
What is the force acting throughout the volume of the fluid, such as the gravitational force, called?
- Pressure gradients force
- Body forces (correct)
- Viscous dissipation force
- Internal force
Which type of force is due to pressure gradients within the fluid?
Which type of force is due to pressure gradients within the fluid?
What is the net force in the x-direction for a cube of fluid determined by a pressure gradient?
What is the net force in the x-direction for a cube of fluid determined by a pressure gradient?
What does Euler's equation relate in fluid dynamics?
What does Euler's equation relate in fluid dynamics?
Which principle states that mass can neither be created nor destroyed, only transferred or transformed?
Which principle states that mass can neither be created nor destroyed, only transferred or transformed?
What does the equation of continuity in fluid dynamics describe?
What does the equation of continuity in fluid dynamics describe?
$\nabla p$ represents which physical quantity in fluid dynamics?
$\nabla p$ represents which physical quantity in fluid dynamics?
What does 𝜕𝑝⁄𝜕𝑥 ∆𝑥 ∆𝑦∆𝑧 represent in the context of fluid mechanics?
What does 𝜕𝑝⁄𝜕𝑥 ∆𝑥 ∆𝑦∆𝑧 represent in the context of fluid mechanics?
