Unit 2-1 Flashcards
What is fluid power?
The transmission and conversion of power using fluid
Are liquids compressible?*
Gases?
No
Yes
What is thermal expansion?*
Liquids expand with increased temperature
What is Boyles Law of Ideal Gases?*
In a confined space:
Volume increases with a temperature increase
for constant pressure
Pressure increases as temperature increases for
constant volume
What is Pascal’s Law?*
Force exerted on a confined fluid transmits pressure equally in all directions
Define area
The measurement of a surface
Define force
The amount of push, pull, or twist on an object
Define unit pressure
The force on one unit of area
Usually 1-square inch
Expressed in pounds per square inch (psi)
Define stroke
Distance piston moves in a cylinder expressed in inches
Define volume
Quantity of fluid
Define fluid
Any substance that continually flows under and applied force
Liquids and gases
How do fluid power systems work to convert pump force to movement?
Pressure
Volume
What is hydraulic fluid?
The medium by which power is transferred within an aircraft hydraulic systems
Transfers power
What are the two primary variables related to the operation of a fluid power system?
Pressure
Volume
What are the units of fluid volume?
Gallons per minute
