LECTURE PRESENTATION
Reading Assignment
Recommended Reading
Fluid Power: US Navy NAVEDTRA_12964 (Full Text, 206 pp.)
- Introduction to Fluid Power (book preview)
- Fluid Power Design Handbook (book preview)
- Fluid Power Circuits and Controls (book preview)
Fluid Power Labs
- Hydraulic Cylinder Example Circuit
- Hydraulic Motor Circuit
- Flow Control Valve (Meter Out Circuit)
- Bypass Flow Control (Deceleration)
- Sequence Valve
Outline
Advantages
- Separation of power source from actuator
- Smooth, uniform motion is possible
- Overload protection
- Variety of motion
- Economical
Principles of Fluid
Mechanical advantage
States of matter
Fluids
- Density and specific gravity
- Bouancy
- Pressure
- Compressibility
- Boyle’s Law
- Charles’s law
- General gas Law
- Transmission of forces through fluids
- Fluid flow (Bernoulli’s principle)
- Fluid friction
Fluid in Motion
- Volume and velocity of flow
- Steady and unsteady flow
- Laminar and turbulent flow
Hydraulic Fluids
- Functions
- Viscosity
- Oxidation resistance
- Lubricity
- Water separation
- Foaming resistance
Other properties
- pour point
- specific gravity
- color
- flash point
- carbon residue
- acidity
- toxicity
Characteristics of Hydraulic and Pneumatic Systems
Basic Systems and Circuit Diagrams
- Reservoirs
- Pressurized
- Nonpressurized
- Accumulators
- Gravity
- Spring
- Air
- Applications
- Receivers, Filters, and Condensers
- Pumps and Compressors
- Performance
- Classes
- Positive Displacement
- Nonpositive Displacement
- Types
- Centrifugal
- Rotary
- Gear
- Lobe Pump
- Screw Pump
- Vane Pump
- Reciprocating
- Radial piston
- Axial piston
- Combination
- Flow Control and Measurement
- Cock Valve
- Globe Valve
- Gate Valve
- Needle Valve
- Relief Valve
- Pressure Reducing valve
- Unloading valve
- Counterbalance Valve
- Sequence valve
- Pressure Control and Measurement
- Directional Control Valves
- Actuators
- Lines and Fittings
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