{"product_id":"hydrostatic-transmissions-and-actuators-9781118818794","title":"Hydrostatic Transmissions and Actuators","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003eHydrostatic Transmissions and Actuators takes a pedagogical approach and begins with an overview of the subject, providing basic definitions and introducing fundamental concepts.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eTable of Contents\u003c\/b\u003e\u003cbr\u003e\u003cp\u003ePreface xiii\u003c\/p\u003e \u003cp\u003eAcknowledgements xvii\u003c\/p\u003e \u003cp\u003eAbout the Companion Website xix\u003c\/p\u003e \u003cp\u003e\u003cb\u003e1 Introduction to Power Transmission 1\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e1.1 Transmission Ratio 1\u003c\/p\u003e \u003cp\u003e1.1.1 Generalities 1\u003c\/p\u003e \u003cp\u003e1.1.2 Definition 3\u003c\/p\u003e \u003cp\u003e1.1.3 Classification 3\u003c\/p\u003e \u003cp\u003e1.2 Mechanical Transmissions 4\u003c\/p\u003e \u003cp\u003e1.2.1 Gear Trains 4\u003c\/p\u003e \u003cp\u003e1.2.2 Gearboxes 6\u003c\/p\u003e \u003cp\u003e1.2.3 Efficiency 8\u003c\/p\u003e \u003cp\u003e1.2.4 Continuously and Infinitely Variable Transmissions 11\u003c\/p\u003e \u003cp\u003e1.3 Hydraulic Transmissions 15\u003c\/p\u003e \u003cp\u003e1.4 Hydrostatic Transmissions 19\u003c\/p\u003e \u003cp\u003e1.4.1 Operational Principles 19\u003c\/p\u003e \u003cp\u003e1.4.2 Formal Definition of Hydrostatic Transmissions 32\u003c\/p\u003e \u003cp\u003e1.4.3 Classification of Hydrostatic Transmissions 34\u003c\/p\u003e \u003cp\u003e1.4.4 Efficiency Considerations 40\u003c\/p\u003e \u003cp\u003e1.5 Hydromechanical Power-Split Transmissions 40\u003c\/p\u003e \u003cp\u003e1.5.1 General Classification 41\u003c\/p\u003e \u003cp\u003e1.5.2 Transmission Ratio 42\u003c\/p\u003e \u003cp\u003e1.5.3 Lockup Point 44\u003c\/p\u003e \u003cp\u003e1.5.4 Power Relations 44\u003c\/p\u003e \u003cp\u003e1.6 Mechanical and Hydrostatic Actuators 51\u003c\/p\u003e \u003cp\u003e1.6.1 Mechanical Actuators 51\u003c\/p\u003e \u003cp\u003e1.6.2 Hydrostatic Actuators 52\u003c\/p\u003e \u003cp\u003e1.6.3 Hydrostatic Actuation Versus Valve Control 53\u003c\/p\u003e \u003cp\u003e1.6.4 Multiple Cylinder Actuators 55\u003c\/p\u003e \u003cp\u003eExercises 56\u003c\/p\u003e \u003cp\u003eReferences 57\u003c\/p\u003e \u003cp\u003e\u003cb\u003e2 Fundamentals of Fluid Flows in Hydrostatic Transmissions 59\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e2.1 Fluid Properties 59\u003c\/p\u003e \u003cp\u003e2.1.1 Viscosity 59\u003c\/p\u003e \u003cp\u003e2.1.2 Compressibility 64\u003c\/p\u003e \u003cp\u003e2.2 Fluid Flow in Hydraulic Circuits 79\u003c\/p\u003e \u003cp\u003e2.2.1 Flow Regimes 79\u003c\/p\u003e \u003cp\u003e2.2.2 Internal Flow in Conduits 81\u003c\/p\u003e \u003cp\u003e2.2.3 Flow Through Orifices 85\u003c\/p\u003e \u003cp\u003e2.2.4 Leakage Flow in Pumps and Motors 87\u003c\/p\u003e \u003cp\u003e2.2.5 Other Loss Models 93\u003c\/p\u003e \u003cp\u003eExercises 94\u003c\/p\u003e \u003cp\u003eReferences 96\u003c\/p\u003e \u003cp\u003e\u003cb\u003e3 Hydrostatic Pumps and Motors 98\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e3.1 Hydrostatic and Hydrodynamic Pumps and Motors 98\u003c\/p\u003e \u003cp\u003e3.2 Hydrostatic Machine Output 102\u003c\/p\u003e \u003cp\u003e3.2.1 Average Input–Output Relations 102\u003c\/p\u003e \u003cp\u003e3.2.2 Instantaneous Pump Output 104\u003c\/p\u003e \u003cp\u003e3.2.3 Instantaneous Motor Output 112\u003c\/p\u003e \u003cp\u003e3.2.4 Further Efficiency Considerations 116\u003c\/p\u003e \u003cp\u003e3.3 Hydrostatic Pump and Motor Types 117\u003c\/p\u003e \u003cp\u003e3.3.1 Radial Piston Pumps and Motors 117\u003c\/p\u003e \u003cp\u003e3.3.2 Axial Piston Pumps and Motors 119\u003c\/p\u003e \u003cp\u003e3.3.3 Gear Pumps and Motors 128\u003c\/p\u003e \u003cp\u003e3.3.4 Vane Pumps and Motors 130\u003c\/p\u003e \u003cp\u003e3.3.5 Digital Displacement Pumps and Motors 131\u003c\/p\u003e \u003cp\u003e3.4 Energy Losses at Steady-State Operation 135\u003c\/p\u003e \u003cp\u003e3.4.1 Energy Balances 135\u003c\/p\u003e \u003cp\u003e3.4.2 Overall Efficiencies 138\u003c\/p\u003e \u003cp\u003e3.4.3 Simplified Efficiency Equations 138\u003c\/p\u003e \u003cp\u003e3.4.4 Efficiency Relations 139\u003c\/p\u003e \u003cp\u003e3.5 Modelling Pump and Motor Efficiencies 141\u003c\/p\u003e \u003cp\u003e3.5.1 Performance Curves 141\u003c\/p\u003e \u003cp\u003e3.5.2 Volumetric Efficiency Modelling 144\u003c\/p\u003e \u003cp\u003e3.5.3 Overall Efficiency Modelling 154\u003c\/p\u003e \u003cp\u003e3.5.4 Mechanical Efficiency 160\u003c\/p\u003e \u003cp\u003eExercises 162\u003c\/p\u003e \u003cp\u003eReferences 164\u003c\/p\u003e \u003cp\u003e\u003cb\u003e4 Basic Hydrostatic Transmission Design 166\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e4.1 General Considerations 166\u003c\/p\u003e \u003cp\u003e4.1.1 Output Speed Control 166\u003c\/p\u003e \u003cp\u003e4.1.2 Transmission Losses 167\u003c\/p\u003e \u003cp\u003e4.2 Hydrostatic Transmission Efficiency 168\u003c\/p\u003e \u003cp\u003e4.2.1 Energy Balance 169\u003c\/p\u003e \u003cp\u003e4.2.2 Conduit Efficiency 171\u003c\/p\u003e \u003cp\u003e4.2.3 Minor Pressure Losses 173\u003c\/p\u003e \u003cp\u003e4.2.4 Practical Application 176\u003c\/p\u003e \u003cp\u003e4.3 Transmission Output 183\u003c\/p\u003e \u003cp\u003e4.4 Steady-State Design Applications 184\u003c\/p\u003e \u003cp\u003e4.4.1 Case Study 1. Fixed-Displacement Motor and Variable-Displacement Pump 185\u003c\/p\u003e \u003cp\u003e4.4.2 Case Study 2. Fixed-Displacement Pump and Variable-Displacement Motor 192\u003c\/p\u003e \u003cp\u003e4.5 External Leakages and Charge Circuit 198\u003c\/p\u003e \u003cp\u003e4.6 Heat Losses and Cooling 201\u003c\/p\u003e \u003cp\u003e4.6.1 Sizing of the Heat Exchanger 201\u003c\/p\u003e \u003cp\u003e4.6.2 Loop Flushing 203\u003c\/p\u003e \u003cp\u003eExercises 204\u003c\/p\u003e \u003cp\u003eReferences 205\u003c\/p\u003e \u003cp\u003e\u003cb\u003e5 Dynamic Analysis of Hydrostatic Transmissions 207\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e5.1 Introduction 207\u003c\/p\u003e \u003cp\u003e5.1.1 Pressure Surges during Transients 208\u003c\/p\u003e \u003cp\u003e5.1.2 Mechanical Vibrations and Noise 211\u003c\/p\u003e \u003cp\u003e5.1.3 Natural Circuit Oscillations 214\u003c\/p\u003e \u003cp\u003e5.1.4 Resonance and Beating 217\u003c\/p\u003e \u003cp\u003e5.1.5 Summary 219\u003c\/p\u003e \u003cp\u003e5.2 Modelling and Simulation 219\u003c\/p\u003e \u003cp\u003e5.2.1 Basic Equations 220\u003c\/p\u003e \u003cp\u003e5.2.2 Case Study 1. Purely Inertial Load with a Step Input 223\u003c\/p\u003e \u003cp\u003e5.2.3 Case Study 2. Variable Pump Flow 231\u003c\/p\u003e \u003cp\u003eExercises 240\u003c\/p\u003e \u003cp\u003eReferences 241\u003c\/p\u003e \u003cp\u003e\u003cb\u003e6 Hydrostatic Actuators 243\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e6.1 Introductory Concepts 243\u003c\/p\u003e \u003cp\u003e6.1.1 Circuit Operational Quadrants 243\u003c\/p\u003e \u003cp\u003e6.1.2 Energy Management 244\u003c\/p\u003e \u003cp\u003e6.1.3 Cylinder Stiffness 245\u003c\/p\u003e \u003cp\u003e6.1.4 Double-Rod and Single-Rod Actuators 245\u003c\/p\u003e \u003cp\u003e6.2 Hydrostatic Actuator Circuits 247\u003c\/p\u003e \u003cp\u003e6.2.1 Design 1. Dual-Pump, Open-Circuit, Displacement-Controlled Actuator 247\u003c\/p\u003e \u003cp\u003e6.2.2 Design 2. Dual-Pump, Closed-Circuit, Displacement-Controlled Actuator 249\u003c\/p\u003e \u003cp\u003e6.2.3 Design 3. Dual-Pump Electrohydrostatic Actuator with Accumulators 251\u003c\/p\u003e \u003cp\u003e6.2.4 Design 4. Circuit with an Inline Hydraulic Transformer 253\u003c\/p\u003e \u003cp\u003e6.2.5 Design 5. Single-Pump Circuit with a Directional Valve 257\u003c\/p\u003e \u003cp\u003e6.2.6 Design 6. Single-Pump Circuit with Pilot-Operated Check Valves 260\u003c\/p\u003e \u003cp\u003e6.2.7 Design 7. Single-Pump Circuit with Inline Check Valves 263\u003c\/p\u003e \u003cp\u003e6.2.8 Design 8. Energy Storage Circuit 267\u003c\/p\u003e \u003cp\u003e6.2.9 Design 9. Double-Rod Actuator 273\u003c\/p\u003e \u003cp\u003e6.3 Common Pressure Rail and Hydraulic Transformers 275\u003c\/p\u003e \u003cp\u003eExercises 281\u003c\/p\u003e \u003cp\u003eReferences 282\u003c\/p\u003e \u003cp\u003e\u003cb\u003e7 Dynamic Analysis of Hydrostatic Actuators 283\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e7.1 Introduction 283\u003c\/p\u003e \u003cp\u003e7.2 Mathematical Model 284\u003c\/p\u003e \u003cp\u003e7.2.1 Basic Equations 284\u003c\/p\u003e \u003cp\u003e7.2.2 Cylinder Friction 288\u003c\/p\u003e \u003cp\u003e7.2.3 Pilot-Operated Check Valves 294\u003c\/p\u003e \u003cp\u003e7.3 Case Study 298\u003c\/p\u003e \u003cp\u003e7.3.1 Determination of the Pump Flow Period 299\u003c\/p\u003e \u003cp\u003e7.3.2 Numerical Simulation 300\u003c\/p\u003e \u003cp\u003eExercises 304\u003c\/p\u003e \u003cp\u003eReferences 306\u003c\/p\u003e \u003cp\u003e\u003cb\u003e8 Practical Applications 307\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e8.1 Infinitely Variable Transmissions in Vehicles 307\u003c\/p\u003e \u003cp\u003e8.2 Heavy Mobile Equipment 310\u003c\/p\u003e \u003cp\u003e8.3 Hybrid Vehicles 313\u003c\/p\u003e \u003cp\u003e8.3.1 Definition 315\u003c\/p\u003e \u003cp\u003e8.3.2 Electric Hybrids 315\u003c\/p\u003e \u003cp\u003e8.3.3 Hydraulic Hybrids 316\u003c\/p\u003e \u003cp\u003e8.3.4 CPR-Based Hybrids 321\u003c\/p\u003e \u003cp\u003e8.4 Wind Turbines 323\u003c\/p\u003e \u003cp\u003e8.4.1 Asynchronous Generators 324\u003c\/p\u003e \u003cp\u003e8.4.2 Synchronous Generators 326\u003c\/p\u003e \u003cp\u003e8.4.3 General Aspects of Power Transmission in Wind Turbines 328\u003c\/p\u003e \u003cp\u003e8.4.4 Hydrostatic Transmission in Wind Turbines 329\u003c\/p\u003e \u003cp\u003e8.5 Wave Energy Extraction 331\u003c\/p\u003e \u003cp\u003e8.6 Aeronautical Applications 334\u003c\/p\u003e \u003cp\u003eReferences 336\u003c\/p\u003e \u003cp\u003e\u003cb\u003eAppendix A Hydraulic Symbols 339\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003e\u003cb\u003eAppendix B Mathematics Review 345\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eB.1 The Nabla Operator (∇) 345\u003c\/p\u003e \u003cp\u003eB.2 Ordinary Differential Equations (ODEs) 346\u003c\/p\u003e \u003cp\u003eB.2.1 General Aspects and Definitions for ODEs 347\u003c\/p\u003e \u003cp\u003eB.2.2 The Laplace Transform Method 351\u003c\/p\u003e \u003cp\u003eReferences 360\u003c\/p\u003e \u003cp\u003e\u003cb\u003eAppendix C Fluid Dynamics Equations 361\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eC.1 Introduction 361\u003c\/p\u003e \u003cp\u003eC.2 Fluid Stresses and Distortion Rates 363\u003c\/p\u003e \u003cp\u003eC.3 Differential Fluid Dynamics Equations 365\u003c\/p\u003e \u003cp\u003eC.3.1 Conservation of Mass 365\u003c\/p\u003e \u003cp\u003eC.3.2 Conservation of Momentum 367\u003c\/p\u003e \u003cp\u003eC.3.3 Navier–Stokes Equations in Cylindrical Coordinates 370\u003c\/p\u003e \u003cp\u003eC.4 Control Volume Analysis 371\u003c\/p\u003e \u003cp\u003eC.4.1 The Reynolds Transport Theorem 371\u003c\/p\u003e \u003cp\u003eC.4.2 Mass and Momentum Conservation 373\u003c\/p\u003e \u003cp\u003eC.4.3 Conservation of Energy 375\u003c\/p\u003e \u003cp\u003eReferences 378\u003c\/p\u003e \u003cp\u003eIndex 379\u003c\/p\u003e","brand":"John Wiley \u0026 Sons Inc","offers":[{"title":"Default Title","offer_id":49406928421207,"sku":"9781118818794","price":79.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1739\/5799\/files\/9781118818794.jpg?v=1730497587","url":"https:\/\/bookcurl.com\/products\/hydrostatic-transmissions-and-actuators-9781118818794","provider":"Book Curl","version":"1.0","type":"link"}