12. Velocity Conditions in Nozzles
The chapter explores the concepts of fluid flow dynamics, particularly in terms of nozzle design and two-dimensional flow patterns. It discusses how velocity distributions affect acceleration calculations in nozzle flows and provides insight into streamline patterns in two-dimensional flows, including discussions on radial and tangential velocities around a circular cylinder. Overall, the chapter integrates mathematical modeling with physical interpretations of fluid dynamics concepts.
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Sections
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What we have learnt
- Velocity field can be derived from pressure distributions in a fluid flow.
- Acceleration in fluid flow is evaluated using both local and convective acceleration components.
- Stream functions are critical in visualizing the flow pattern of fluids, especially in axisymmetric coordinates.
Key Concepts
- -- Velocity Field
- A visual representation showing the velocity of fluid at every point in the flow.
- -- Acceleration Components
- Quantities that describe how the velocity of a fluid changes with time and space.
- -- Stream Function
- A mathematical representation used to describe the flow of fluids, particularly valuable in systems where the flow remains steady.
- -- Radial Velocity
- The component of fluid velocity directed radially inward or outward from a point.
- -- Tangential Velocity
- The component of fluid velocity that is tangent to the circle surrounding a flow.
Additional Learning Materials
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