fluid mechanics
flash
- Subject
- Sciences / Physics
- Language of creation
- English
6 flashcards
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Cards in this set
Card 2
Question
What are two key fluid properties?
Answer
Density and viscosity are the core descriptors of fluid behavior.
Card 3
Question
Differentiate laminar vs. turbulent flow.
Answer
Laminar flow is characterized by smooth layers, while turbulent flow involves chaotic eddies.
Card 4
Question
What is the Reynolds number?
Answer
The Reynolds number, represented by the formula Re=μρvD, is used to predict the flow regime. If Re is less than 2300, the flow is considered laminar.
Card 5
Question
State Bernoulli's principle (qualitative)
Answer
Bernoulli's principle states that higher fluid velocity corresponds to lower pressure, which is a consequence of the conservation of energy along a streamline.
Card 6
Question
What causes viscosity?
Answer
Viscosity is caused by internal friction resulting from molecular interactions that resist flow.
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