Chapter 17
Fluid Kinematics
Eulerian and Lagrangian Flow Descriptions
Fluid flow can be described using two main approaches: the Eulerian and Lagrangian methods.
The Eulerian method measures fluid properties like pressure, ...
Introduction to Types of Flows
Flows can be categorized based on dimensionality. In one-dimensional flow, properties like velocity and pressure change along a single direction, as seen ...
Streamlines, Streaklines, and Pathlines
Consider water flowing steadily through a curved pipe. The direction of flow inside the pipe can be visualized using streamlines.
A streamline represents ...
Control Volume and System Representations
A control volume is a defined region in space where interactions involving mass, energy, or momentum are analyzed.
Consider water flowing through a pipe. ...
Velocity and Acceleration in Steady and Unsteady Flow
Consider a fluid particle moving along a pathline in a flow. The particle's velocity is denoted by the function of its location and time.
Now, the ...
Reynolds Transport Theorem
Consider a fluid in motion. The Reynolds transport theorem provides the relationship between the time rate of change of an extensive property in a system ...
Design Example: Flow Through a Fire Extinguisher
A fire extinguisher uses pressurized water to generate a powerful stream through a nozzle.
The water inside is stored at a much higher pressure than the ...
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