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| Grams of seawater in one cubic centimeter of fluid |
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| Pressure varies inversely with fluid velocity |
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| A measure of molecular stickiness of a fluid, or a measure of resistance of a fluid to deform when a force is applied |
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| A difference in pressure upstream and downstream of an object in a flow |
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Definition
| The dynamic viscosity divided by water density |
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| A force resulting from the interlayer stickiness (dynamic friction) of a fluid; increases proportionately to the surface area exposed to flow |
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Definition
| A measure of the relative importance of viscous and inertial forces in a fluid |
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| The path that individual particles would take in a flowing fluid; whatever is part of the flow will not cross streamlines |
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| The movement of a fluid where movement of the entire fluid is regular and with parallel streamlines |
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| Movement of water that can be characterized by streamlines moving in a very irregular fashion |
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| The flow in a part of the fluid (ie, in a tidal creek) that is well above the bottom or well away from a surface and essentially not under the influence of the boundary layer |
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Definition
| A layer of fluid near a surface, where flow is affected by viscous properties of the fluid; at the surface, fluid velocity must be zero, and the boundary layer is a thin film that depends on surface texture, fluid velocity in the "mainstream of flow," and fluid mass properties such as salinity |
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Definition
| The condition where water has zero velocity when in contact with a surface |
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Definition
| Consider a unit volume of fluid flowing through a rigid pipe, assume fluid is incompressible; if a given volume enters the pipe, then an equal volume must exit; the product of the velocity and the cross-sectional area remains constant; permits organisms to regulate flow velocity |
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