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Knowledge
The chapter delves into the fundamental principles of fluid mechanics, covering the microscopic and macroscopic behavior of fluids. Key fluid properties such as density, specific volume, specific weight, and the laws of viscosity are explored in depth. It emphasizes the effects of temperature and pressure on fluid properties and introduces concepts such as laminar and turbulent flow.
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Sections
References
ch 2 part a.pdfClass Notes
Memorization
What we have learnt
- Fluid mechanics involves th...
- No-slip conditions dictate ...
- The chapter differentiates ...
Final Test
Revision Tests
What we have learnt
- Fluid mechanics involves the study of fluid behavior at rest and in motion, including interactions with solids.
- No-slip conditions dictate the velocity of fluid in contact with solid surfaces, crucial for understanding fluid flow.
- The chapter differentiates between microscopic and macroscopic fluid properties, emphasizing their significance in engineering applications.
Key Concepts
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Term: Density
Definition: Density is the mass per unit volume of a fluid, a key property that can vary based on the fluid's state and conditions.
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Term: Specific Volume
Definition: Specific volume is the volume occupied by a unit mass of a substance, inversely related to density.
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Term: Specific Gravity
Definition: Specific gravity is the ratio of the density of a substance to the density of a reference substance, typically water.
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Term: Viscosity
Definition: Viscosity defines a fluid's resistance to flow, with Newton's laws relating shear stress to the velocity gradient.
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Term: Laminar Flow
Definition: Laminar flow describes fluid motion in layers with smooth, orderly movement and minimal mixing.
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Term: Turbulent Flow
Definition: Turbulent flow involves chaotic fluid motion characterized by eddies and vortices, leading to increased mixing.