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38 Cards in this Set
- Front
- Back
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Fluid |
Materials that have no fixed shape and are free to flow ex. gases and liquids |
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Laminar Flow |
A smooth pattern of flow |
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Turbulent Flow |
A irregular, mixing flow pattern. |
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Eddy |
An area of slower moving fluid that occurs behind a obstactle |
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Stream lined |
A smooth shape designed to decrease resistance to fluid flow |
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Flow rate |
a measure of how quickly fluids; measured in a volume per unit time (ex. L/s) |
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Viscosity |
A measure of how easily a fluids particles are able to slide past one another |
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Cohesion |
A measure of how strongly the particles of a fluid attract each other |
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Surface tension |
the strong attraction amoung the particles that form the surface of a liquid. |
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Adhesion |
The attraction between the particles one substance and the particles of another substance |
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Fluid mechanics |
The study of fluids and how the behave when at rest and when moving |
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Fluid dynamics |
a part of the study of fluid mechanics concerned with how fluids move |
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Aerodynamics |
A part of fluid dynamics concerned with how gases move. |
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Hydrodynamics |
A part of fluid dynamics corncerned with how liquids move |
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Weight |
The force of gravity acting on a object |
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Mass |
The amount of matter that makes up an object or substance |
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Volume |
The amount of space a object or substance takes up |
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Displace |
to take the place of |
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Density |
The measure of mass per unit volume of a substance |
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Characteristic property |
A property that makes up a particular substance distinct from others |
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Buoyancy |
A upward supportive force on a object ina fluid. |
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Swim bladder |
A controllable, balloon-like chamber that allows fish to alter their buoyancy |
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Compress |
To pack closely together; squeeze |
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Pneumatic system |
A system that uses gas under pressure |
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Hydraulic system |
A systen that uses liquids under pressure |
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A pump |
forces fluids through a system |
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Conductors |
Provide a pathway to the fluid |
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Valves |
Keep fluids moving in the desired direction at the desired time. |
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Pressure gauge |
Moniters pressure within the system |
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Pressure |
The force per unit area |
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Atmosperic preasure |
The force the atmosphere exerts on a unit of surface area |
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Pascals Law |
States that a force applied to a fluid is distributed equally through all parts of the fluid |
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Valve |
a mechanism that controls the flow of fluid in a pipe or tube |
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internal combustion engine |
A device that provides power by burning fuel within its cylinders |
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Density ( Formula) |
Density= mass ----------- volume |
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Pressure (Formula) |
Pressure = F ----- A Pressure is measured in Pascals and 1 Pascal= 1 N/m2 |
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Volume ( Formula) |
Length x width x height |
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Flow rate ( Formula) |
Volume of Fluid ------------------------- Amount of time |
