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Andrea Vacca
Hydraulic Fluid Power
Читать книгу Hydraulic Fluid Power - Andrea Vacca - Страница 1
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Страница 1
Table of Contents
List of Tables
List of Illustrations
Guide
Pages
Hydraulic Fluid Power Fundamentals, Applications, and Circuit Design
Страница 8
Preface
Acknowledgments
Страница 11
Chapter 1 Introduction to Hydraulic Control Technology
1.1 Historical Perspective
1.2 Fluid Power Symbology and Its Evolution
1.3 Common ISO Symbols
Example 1.1 Hydraulic schematic for a conveyor application
Solution:
Problems
2 Hydraulic Fluids
2.1 Ideal vs. Actual Hydraulic Fluids
2.2 Classification of Hydraulic Fluids
2.2.1 Mineral Oils (H)
2.2.2 Fire‐Resistant Fluids (HF)
2.2.3 Synthetic Fluids (HS)
2.2.4 Environmentally Friendly Fluids
2.2.5 Water Hydraulics
2.2.6 Comparisons Between Hydraulic Fluids
2.3 Physical Properties of Hydraulic Fluids
2.4 Fluid Compressibility: Bulk Modulus
2.5 Fluid Density
Example 2.1 Liquid compressibility
Solution:
2.6 Fluid Viscosity
2.6.1 Viscosity as a Function of Temperature
2.6.2 Viscosity as a Function of Pressure
Страница 36
2.7.1 Entrained Air
2.7.2 Gas Solubility
2.7.3 Equivalent Properties of Liquid–Air Mixtures
Example 2.2 Volumetric flow rate of a hydraulic pump
Solution
2.8 Contamination in Hydraulic Fluids
2.8.1 Considerations on Hydraulic Filters
Example 2.3 Solid contamination of a hydraulic oil according to the ISO Standard
Solution:
2.8.2 Filter Placement
2.9 Considerations on Hydraulic Reservoirs
2.9.1 Tank Volume
2.9.2 Basic Design of a Tank
Problems
Notes
Chapter 3 Fundamental Equations
3.1 Pascal's Law
3.2 Basic Law of Fluid Statics
3.3 Volumetric Flow Rate
3.4 Conservation of Mass
3.4.1 Application to a Hydraulic Cylinder
3.5 Bernoulli's Equation
3.5.1 Generalized Bernoulli's Equation
3.5.2 Major Losses
3.5.3 Minor Losses
3.6 Hydraulic Resistance
3.7 Stationary Modeling of Flow Networks
Example 3.1 Series and parallel hydraulic connections
Solution:
3.8 Momentum Equation
Example 3.2 Force on an elbow
Solution:
3.8.1 Flow Forces
Example 3.3 Flow force evaluation for two different valve designs
Solution:
Problems
Notes
Chapter 4 Orifice Basics
4.1 Orifice Equation
4.2 Fixed and Variable Orifices
4.3 Power Loss in Orifices
Example 4.1 Orifice Flow, Power Dissipation and Temperature Rise
Solution:
4.4 Parallel and Series Connections of Orifices
Example 4.2 Orifice Sizing
Solution:
4.5 Functions of Orifices in Hydraulic Systems
4.5.1 Orifices in Pressure and Return Lines
Example 4.3 Orifice as a Metering Element or a Compensator
Solution:
4.5.2 Orifices in Pilot Lines
Example 4.4
Leakage in a Cylinder
Solution:
Problems
Notes
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