Chapter 17
Fluid Kinematics
תיאורי זרימה אוילרית ולגראנז'יאנית
Fluid flow can be described using two main approaches: the Eulerian and Lagrangian methods.
The Eulerian method measures fluid properties like pressure, ...
מבוא לסוגי זרימות
Flows can be categorized based on dimensionality. In one-dimensional flow, properties like velocity and pressure change along a single direction, as seen ...
ייעול, קווי פסים ונתיבים
Consider water flowing steadily through a curved pipe. The direction of flow inside the pipe can be visualized using streamlines.
A streamline represents ...
שליטה באמצעי אחסון ובייצוגי מערכת
A control volume is a defined region in space where interactions involving mass, energy, or momentum are analyzed.
Consider water flowing through a pipe. ...
מהירות ותאוצה בזרימה יציבה ולא יציבה
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 ...
משפט התחבורה של ריינולדס
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 ...
דוגמה עיצובית: זרימה דרך מטף כיבוי אש
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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