Numerical Calculation of Lubrication
Methods and Programs
Inbunden, Engelska, 2013
Av Ping Huang, China) Huang, Ping (South China University of Technology, Guangzhou
2 169 kr
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Fri frakt för medlemmar vid köp för minst 249 kr.Focusing on basic lubrication problems this book offers specific engineering applications. The book introduces methods and programs for the most important lubrication problems and their solutions. It is divided into four parts. The first part is about the general solving methods of the Reynolds equation, including solutions of Reynolds equations with different conditions and their discrete forms, such as a steady-state incompressible slider, journal bearing, dynamic bearing, gas bearing and grease lubrication. The second part gives the ‘energy equation solution’. The third part introduces methods and programs for elasto-hydrodynamic lurbication, which links the Reynolds equation with the elastic deformation equation. The final part presents application lubrication programs used in engineering. Provides numerical solution methodologies including appropriate software for the hydrodynamic and elasto-hydrodynamic lubrication of bearingsOffers a clear introduction and orientation to all major engineering lubrication problems and their solutionsPresents numerical programs for specific applications in engineering, with special topics including grease-lubricated bearings and gas bearingsEquips those working in tribology and those new to the topic with the fundamental tools of calculationDownloadable programs are available at the companion websiteWith an emphasis on clear explanations, the text offers a thorough understanding of the numerical calculation of lubrication for graduate students on tribology and engineering mechanics courses, with more detailed materials suitable for engineers. This is an accessible reference for senior undergraduate students of tribology and researchers in thin-film fluid mechanics.
Produktinformation
- Utgivningsdatum2013-10-18
- Mått175 x 252 x 24 mm
- Vikt762 g
- FormatInbunden
- SpråkEngelska
- Antal sidor450
- FörlagJohn Wiley & Sons Inc
- ISBN9781118451199
Tillhör följande kategorier
Ping Huang, South China University of Technology, Guangzhou, China
- Preface xv Part 1 NUMERICAL METHOD FOR REYNOLDS EQUATION 11 Reynolds Equation and its Discrete Form 31.1 General Reynolds Equation and Its Boundary Conditions 31.1.1 Reynolds Equation 31.1.2 Definite Condition 31.1.3 Computation of Lubrication Performances 51.2 Reynolds Equations for Some Special Working Conditions 61.2.1 Slider and Thrust Bearing 61.2.2 Journal Bearing 71.2.3 Hydrostatic Lubrication 81.2.4 Squeeze Bearing 91.2.5 Dynamic Bearing 91.2.6 Gas Bearing 101.3 Finite Difference Method of Reynolds Equation 101.3.1 Discretization of Equation 111.3.2 Difference Form of Reynolds Equation 121.3.3 Iteration of Differential Equation 131.3.4 Iteration Convergence Condition 132 Numerical Method and Program for Incompressible and Steady Lubrication of One-dimensional Slider 172.1 Basic Equations 172.1.1 Reynolds Equation 172.1.2 Boundary Conditions 182.1.3 Continuity Equation 182.2 Numerical Method for Incompressible and Steady Lubrication of One-dimensional Slider 182.2.1 Discrete Reynolds Equation 192.3 Calculation Program for Incompressible and Steady Lubrication of One-dimensional Slider 202.3.1 Introduction 202.3.2 Calculation Diagram 212.3.3 Calculation Program 212.3.4 Calculation Results 243 Numerical Method and Program for Incompressible and Steady Lubrication of Two-dimensional Slider 253.1 Basic Equations 253.2 Discrete Reynolds Equation 263.3 Calculation Program for Incompressible and Steady Lubrication of Two-dimensional Slider 273.3.1 Introduction 273.3.2 Calculation Diagram 273.3.3 Calculation Program 283.3.4 Calculation Results 314 Numerical Method and Program for Incompressible and Steady Lubrication of Journal Bearing 334.1 Basic Equations 334.1.1 Axis Position and Clearance Shape 334.1.2 Reynolds Equation 344.2 Numerical Method for Incompressible and Steady Lubrication of Journal Bearing 354.2.1 Dimensionless Reynolds Equation 354.2.2 Discrete Form of Reynolds Equation 364.3 Calculation Program for Incompressible and Steady Lubrication of Journal Bearing 374.3.1 Calculation Diagram 374.3.2 Calculation Program 384.3.3 Calculation Results 405 Numerical Method and Program for Incompressible Squeeze Lubrication 415.1 Basic Equation 415.2 Numerical Method and Program for Rectangular Plane Squeeze 425.2.1 Basic Equations 425.2.2 Numerical Method 425.2.3 Calculation Diagram 435.2.4 Calculation Program 445.2.5 Calculation Results 475.3 Numerical Method and Program for Disc Squeeze 475.3.1 Basic Equations 475.3.2 Numerical Method 485.3.3 Calculation Diagram 485.3.4 Calculation Program 495.3.5 Calculation Results 525.4 Numerical Method and Program for Journal Bearing Squeeze 525.4.1 Basic Equations 525.4.2 Numerical Method 545.4.3 Calculation Diagram 545.4.4 Calculation Program 555.4.5 Calculation Results 606 Numerical Method and Program for Dynamic Bearing 616.1 Basic Equations 616.2 Numerical Method for Trace of Journal Center 656.2.1 Introduction 656.2.2 Calculation Steps 666.3 Calculation Program for Dynamic Journal Bearing 676.3.1 Introduction 676.3.2 Calculation Diagram 676.3.3 Calculation Program 686.3.4 Calculation Results 827 Numerical Method and Program for Gas Lubrication 857.1 Basic Equations 857.1.1 General Reynolds Equation of Gas Lubrication 857.2 Numerical Method of Gas Lubrication 867.2.1 Basic Equations of Steady and Isothermal Gas Lubrication 867.2.2 Numerical Method 877.3 Calculation Program for Gas Lubrication 887.3.1 Calculation Program and Solutions of One-Dimensional Gas Lubrication 887.3.2 Numerical Program and Solutions of Two-Dimensional Gas Lubrication 917.3.3 Numerical Program and Solutions of Journal Bearing Gas Lubrication 948 Numerical Method and Program for Rarefied Gas Lubrication 978.1 Basic Equations 978.2 Numerical Method of Rarefied Gas Lubrication 998.2.1 Rarefied Gas Lubrication Model 998.2.2 Treatment of the Ultra-Thin Gas Film Lubrication Equation 1008.3 Discretization and Iteration of Modified Reynolds Equation 1018.3.1 Discrete Equation 1018.3.2 Iteration Method 1018.4 Calculation Program for Rarefied Gas Lubrication of Slider 1028.4.1 Procedures Introduction 1028.4.2 Calculation Diagram 1028.4.3 Calculation Program 1028.4.4 Calculation Results 1069 Numerical Method and Program for One-dimensional Grease Lubrication 1079.1 Basic Equations 1079.1.1 Introduction 1079.1.2 Constitutive Equations of Grease 1089.1.3 Reynolds Equation 1099.2 Numerical Method of One-Dimensional Grease Lubrication 1099.3 Calculation Program of One-Dimensional Grease Lubrication 1109.3.1 Calculation Diagram 1109.3.2 Calculation Program 1119.3.3 Calculation Results 113Part 2 NUMERICAL METHOD FOR ENERGY EQUATION 11510 Energy Equation and its Discrete Form 11710.1 Basic Equations 11710.1.1 Simplified Energy Equation 11810.1.2 Boundary Conditions 11810.1.3 Numerical Method 11910.2 Influence of Temperature on Lubricant Performance 12010.2.1 Viscosity–Temperature Equation 12010.2.2 Density–Temperature Equation 12010.3 Numerical Method for Thermal Hydrodynamic Lubrication 12110.3.1 Methods and Program for One-dimensional Thermal Hydrodynamic Lubrication 12110.3.2 Numerical Method and Program for Two-dimensional Thermal Hydrodynamic Lubrication 12411 Numerical Method and Program for Incompressible and Steady Thermal Hydrodynamic Lubrication of Journal Bearing 13111.1 Basic Equations 13111.1.1 Reynolds Equation 13111.1.2 Energy Equation 13211.1.3 Viscosity–Temperature Equation 13211.2 Numerical Method 13211.2.1 Discrete Reynolds Equation 13211.2.2 Discrete Energy Equation 13311.2.3 Temperature–Viscosity Equation 13311.3 Calculation Program 13311.3.1 Calculation Diagram 13311.3.2 Calculation Program 13411.3.3 Calculation Results 138Part 3 NUMERICAL METHOD FOR ELASTIC DEFORMATION AND THERMAL ELASTOHYDRODYNAMIC LUBRICATION 14112 Numerical Method and Program for Elastic Deformation and Viscosity–Pressure Equation 14312.1 Basic Equations of Elastic Deformation 14312.1.1 Film Thickness Equation 14312.1.2 Elastic Deformation Equation 14312.2 Numerical Methods and Programs of Elastic Deformation 14512.2.1 Numerical Method and Program of Elastic Deformation Equation in Line Contact 14512.2.2 Numerical Method and Program of Elastic Deformation Equation in Point Contact 14812.3 Viscosity–Pressure and Density–Pressure Equations 15512.3.1 Viscosity–Pressure Relationship 15512.3.2 Viscosity–Pressure–Temperature Relationship 15612.3.3 Density–Pressure Relationship 15613 Numerical Method and Program for EHL in Line Contact 15913.1 Basic Equations 15913.2 Numerical Method 16013.2.1 Dimensionless Equations 16013.2.2 Discrete Equations 16113.2.3 Iterative Method 16213.2.4 Selection of Iterative Methods 16313.2.5 Relaxation Factors 16413.3 Calculation Program 16413.3.1 Calculation Diagram 16413.3.2 Calculation Program 16513.3.3 Calculation Results 17114 Numerical Method and Program for EHL in Point Contact 17314.1 Basic Equations 17314.2 Numerical Method 17414.2.1 Dimensionless Equations 17414.2.2 Discrete Equations 17514.3 Calculation Program 17614.3.1 Calculation Diagram 17614.3.2 Calculation Program 17714.3.3 Calculation Results 18615 Numerical Method and Program for Grease EHL in Line Contact 18715.1 Basic Equations 18715.1.1 Reynolds Equation 18715.1.2 Film Thickness Equation 18715.1.3 Viscosity–Pressure Equation 18815.1.4 Density–Pressure Equation 18815.2 Numerical Method 18815.2.1 Dimensionless Equations 18815.2.2 Discrete Equations 18915.3 Calculation Program 18915.3.1 Calculating Diagram 18915.3.2 Calculation Program 19015.3.3 Calculation Results 19916 Numerical Method and Program for Grease EHL in Point Contact 20116.1 Basic Equations 20116.1.1 Reynolds Equation 20116.1.2 Film Thickness Equation 20116.1.3 Elastic Deformation Equation 20216.1.4 Viscosity–Pressure Equation 20216.1.5 Density Equation 20216.2 Numerical Method 20216.2.1 Dimensionless Equations 20216.2.2 Discrete Equations 20316.3 Calculation Program 20416.3.1 Calculation Diagram 20416.3.2 Calculation Program 20516.3.3 Calculation Results 21417 Numerical Method and Program for Thermal EHL in Line Contact 21517.1 Basic Equations 21517.1.1 Reynolds Equation 21517.1.2 Energy Equation 21517.1.3 Film Thickness Equation 21617.1.4 Elastic Deformation Equation 21617.1.5 Roelands Viscosity–Pressure–Temperature Equation 21617.1.6 Density–Pressure–Temperature Equation 21717.2 Numerical Method 21717.2.1 Dimensionless Equations 21717.2.2 Discrete Equations 21817.3 Calculation Program 22017.3.1 Calculation Diagram of Multigrid Method 22017.3.2 Calculation Diagram of Temperature 22117.3.3 Calculation Program 22217.3.4 Calculation Results 23618 Numerical Method and Program for Thermal EHL in Point Contact 23718.1 Basic Equations 23718.1.1 Reynolds Equation 23718.1.2 Energy Equation 23718.1.3 Film Thickness Equation 23818.1.4 Elastic Deformation Equation 23818.1.5 Roelands Viscosity–Pressure–Temperature Equation 23918.1.6 Density–Pressure–Temperature Equation 23918.2 Numerical Method 23918.2.1 Dimensionless Equations 23918.2.2 Discrete Equations 24118.3 Calculation Program 24218.3.1 Calculation Diagram 24218.3.2 Calculation Program 24218.3.3 Calculation Results 26119 Numerical Method and Program for Thermal Grease EHL in Line Contact 26319.1 Basic Equations 26319.1.1 Reynolds Equation 26319.1.2 Energy Equation 26419.1.3 Film Thickness Equation 26419.1.4 Elastic Deformation Equation 26519.1.5 Viscosity–Pressure–Temperature Equation 26519.1.6 Density–Pressure–Temperature Equation 26519.2 Numerical Method 26519.2.1 Dimensionless Equations 26519.2.2 Discrete Equations 26719.3 Calculation Program 26819.3.1 Calculation Diagram 26819.3.2 Calculation Program 26819.3.3 Calculation Results 28720 Numerical Method and Program for Thermal Grease EHL in Point Contact 28920.1 Basic Equations 28920.1.1 Reynolds Equation 28920.1.2 Energy Equation 29020.1.3 Film Thickness Equation 29020.1.4 Elastic Deformation Equation 29120.1.5 Roelands Viscosity–Pressure–Temperature Equation 29120.1.6 Density–Pressure–Temperature Equation 29120.2 Numerical Method 29120.2.1 Dimensionless Equations 29120.2.2 Discrete Equations 29320.3 Calculation Program 29420.3.1 Calculation Diagram 29420.3.2 Calculation Program 29520.3.3 Calculation Results 310Part 4 CALCULATION PROGRAMS FOR LUBRICATION ANALYSIS IN ENGINEERING 31121 Lubrication Calculation Program for Herringbone Grooved Journal Bearing of Micro Motor 31321.1 Basic Theory of Lubrication Calculation of Herringbone Groove Bearing 31321.1.1 Journal Center Position and Film Thickness 31321.1.2 Reynolds Equation 31421.1.3 Boundary Conditions 31521.1.4 Flux Calculation 31621.1.5 Temperature Calculation 31621.2 Program for Performance Calculation 31821.2.1 Lubrication Performances 31821.2.2 Calculation Program 31821.3 Calculation Results 32621.4 Instruction for HBFA Software Package 33221.4.1 Package Contents 33221.4.2 Program Installation 33221.4.3 Program Operation 33322 Lubrication Optimization Program of Herringbone Grooved Journal Bearing of Micro Motor 33722.1 Method of Optimization Calculation 33722.1.1 Requirements of Parameter Optimization 33722.1.2 Optimization Model 33722.1.3 Optimization Methods and Steps 33822.2 Program Layout of Optimization Calculation 33822.2.1 Optimization Program Diagram 33822.2.2 Calculation Program 33922.2.3 Parameters in Program 35222.3 Optimization Calculation Examples 35222.3.1 Example 1: Optimization Calculation for Static Load 35222.3.2 Example 2: Optimization Calculation for Static Flux (Eccentricity Ratio e is Constant) 35422.3.3 Example 3: Optimization Calculation for Static Flux (Load W is Constant) 35422.3.4 Example 4: Optimization Calculation for Dynamic Load 35422.3.5 Example 5: Optimization Calculation for Dynamic Flux (Eccentricity e is Constant) 35422.3.6 Example 6: Optimization Calculation for Dynamic Flux (Load W is Constant) 35522.4 Instructions for HBOA Software Package 35522.4.1 Program Package 35522.4.2 Program Execution 35623 Calculation Program for Gas Lubrication of Hard Disk/Head in Ultra Thin Film 36123.1 Basic Equations of Gas Lubricating Film of Hard Disk/Head 36123.1.1 Basic Equations 36123.1.2 Gas Film Thickness 36223.1.3 Poiseuille Flow Rate 36223.2 Discrete Equation and Special Treatments 36323.2.1 Iterative Scheme Considering High Bearing Numbers 36323.2.2 Abrupt Changes between Steps on ABS 36423.3 Calculation Program 36423.3.1 Calculation Diagram 36423.3.2 Calculation Program 36623.3.3 Calculation Results 37124 Calculation Program of Flight Attitude of Magnetic Head 37324.1 Search Strategy for Flight Attitude 37324.2 Calculation Program 37524.2.1 Program Introduction 37524.2.2 Calculation Diagram 37624.2.3 Calculation Program 37624.2.4 Calculation Results 386References 389Index 391