| Autore |
Rufe Alfred
|
| Edizione | [1st ed.] |
| Pubbl/distr/stampa |
Sharjah : , : Bentham Science Publishers, , 2023
|
| Descrizione fisica |
1 online resource (102 pages)
|
| Soggetto topico |
Compressed air
Pneumatic control valves
|
| ISBN |
9789815179095
9815179098
|
| Formato |
Materiale a stampa  |
| Livello bibliografico |
Monografia |
| Lingua di pubblicazione |
eng
|
| Nota di contenuto |
Cover -- Title -- Copyright -- End User License Agreement -- Contents -- Preface -- Introduction and Summary -- 1. INTRODUCTION -- 1.1. Historical Background of the Development: The System Gallino -- 1.2. Contents of the Book -- Compressed Air Systems and Storage -- 1. THE PHYSICAL PRINCIPLES RELATED TO COMPRESSED AIR -- 1.1. Adiabatic, Polytropic and Isothermal Compression and Expansion -- 2. ADVANTAGES AND DRAWBACKS OF CLASSICAL PNEUMATIC DEVICES -- 2.1. Energy Loss due to the use of a Pressure Reduction Valve -- 2.2. The Poor Energetic Performance of the Classical Pneumatic Actuators -- 3. COMPRESSED AIR ENERGY STORAGE WITH LOW PRESSURE - THE UNDERWATER CAES -- 3.1. The Model of the Storage Infrastructure -- 3.2. Examples of UWCAES Realizations -- Increasing the Energetic Efficiency of Pneumatic Devices -- 1. RECOVERY OF THE PNEUMATIC ENERGY -- 1.1. Operating Principle, Defaults and Improvements of the Truglia Motor -- 1.2. Expansion in a Separated Chamber with Sequential Strokes (The MDI Motor) -- 1.3. Expansion in a Separated Chamber with Reciprocating Strokes -- Coupling Two Rotary-Type Actuators -- 1. CONTEXT AND MOTIVATION -- 1.1. Structure of the System -- 1.2. The Mechanical Motion Rectifier -- 1.3. Operating Principle -- 2. SIMULATION OF THE SYSTEM -- 2.1. Parameters of the System -- 2.2. The Pressure Variation During the Expansion -- 2.3. From the Pressure to the Torque -- 2.4. The Effect of the Anti-Return Valve -- 2.5. Exhaust Temperature -- 3. EFFICIENCY CONSIDERATIONS -- 3.1. Efficiency of the Coupled Actuators -- 3.2. Isothermal or Adiabatic -- 4. EXPERIMENTAL SET-UP -- 5. DISPLACEMENT AND EXPANSION WORK IN ONE SINGLE ACTUATOR -- 5.1. Basic Principle -- 5.2. Closed Loop Operation of the Semi-Rotary Actuator -- 5.3. Torque Generated in Adiabatic and Isothermal Conditions.
6. SIMULATION OF THE SINGLE ACTUATOR SYSTEM WITH SENSORS AND CLOSED LOOP CONTROL -- 7. EXPERIMENTAL SET-UP -- 7.1. The 180° Actuator -- 7.2. Control Circuits -- 7.3. Sensor System for the 180° Actuator -- 7.4. The Complete Assembly -- 7.5. Measurements -- 8. THE REVERSIBILITY OF THE SYSTEM BASED ON SEMI-ROTARY ACTUATORS -- 8.1. The Crankshaft and Piston Rod System Instead of the Motion Rectifier -- 8.2. The Question of the Inertia of the Oscillating Vane-Rotor -- 8.3. Combining the Operations of Compression and Expansion of Semi-Rotating Actuators -- 8.4. Experimentation with a Vane-Type Actuator Operating as a Compression Machine -- 8.5. Reducing the Footprint of the Reversible System -- DISCLOSURE -- The Pneumatic Motor with Linear Cylinders -- 1. BASIC PRINCIPLE -- 2. OPERATING PRINCIPLE OF THE MOTOR WITHOUT EXPANSION -- 2.1. Mathematical Description of the Piston/Crankshaft Assembly -- 2.2. Simulation of a Motor with one Double Acting Cylinder -- 2.3. Energetic Efficiency -- 3. A PNEUMATIC MOTOR WITH ENHANCED EFFICIENCY - ADDING AN EXPANSION CHAMBER WITH RECIPROCATING STROKES -- 3.1. Simulation Results -- 3.2. Position and Velocity of the two Pistons -- 3.3. Contributions of the 16 mm Piston -- 3.4. Contributions of the Second Piston -- 3.5. Total Torque of the Motor -- 4. SYSTEM WITH PISTONS IN PHASE AND CROSS CONNECTED EXPANSION WAYS -- 4.1. Contributions of the Small Cylinder -- 4.2. Contributions of the Larger Cylinder -- 4.3. Total Torque of the Motor -- 5. ENERGY CONVERTED AND CALCULATION OF THE EFFICIENCY -- 5.1. Converted Energy -- 5.2. Efficiency of the System with Expansion -- 6. COMPARISON OF THE MECHANICAL WORK -- 7. EXPERIMENTAL SET-UP -- 8. DISPLACEMENT WORK AND EXPANSION WORK IN THE SAME CYLINDER -- 8.1. Basic Principle -- 8.2. Asymmetrical Evolution of the Piston and Design of the Intake Angles -- 8.3. Control of the Valves.
8.4. Evolution of the Volumes of the Chambers -- 8.5. Force Exerted on the Piston -- 8.6. Torque and Power -- 8.7. Mechanical Work Produced -- DISCLOSURE -- Linear Pneumatic Cylinder Assembly with Reduced Air Consumption -- 1. INRODUCTION -- 1.1. New Cylinder Assemblies -- 2. OPERATING PRINCIPLE AND CONTROL -- 3. THE PRESSURE VARIATION DURING THE EXPANSION -- 4. SIMULATION OF THE PROPOSED SYSTEM -- 4.1. Simulation Results -- 5. EFFICIENCY OF THE NEW ASSEMBLY -- 5.1. Comparison of Performance -- 6. EXPERIMENTAL SET-UP -- 6.1. The Parasitic Effect of the Dead Volumes -- 6.2. A System with Greater Volumes -- 6.3. Control with a Simplified Tubing and Valve System (Supposed less dead volumes) - using 5/2-way Valves -- 6.4. Experiment with the 100 mm Assembly -- DISCLOSURE -- The Effect of the Dead Volumes and Pre-Expansion on the Produced Work -- 1. INTRODUCTION -- 1.1. Discontinuity of the Pressure -- 1.2. Torques Developed with a Pre-Expansion Factor of 0.6 -- 1.3. Comparison of Energetic Performances -- Application Example: A Pneumatic Driven Hydrogen Compressor with Increased Efficiency -- 1. INTRODUCTION -- 2. DATA AND PERFORMANCE OF THE ORIGINAL BOOSTER -- 3. DESIGN OF A SYSTEM WITH INCREASED PERFORMANCE -- 3.1. Design of the New System -- 4. ADVANTAGE OF THE NEW SOLUTION REGARDING AIR SAVINGS -- 5. DYNAMIC SIMULATION -- Conclusion -- CONCLUSION -- REFERENCES -- Appendix 1 -- A1. ENERGY CONTENT OF AN AIR RESERVOIR -- A1.1. Description of the System -- A1.2. Mechanical Work by Expansion -- APPENDIX 2 -- A2. MECHANICAL FORCES AND ENERGETIC PROPERTIES OF THE 100 MM LINEAR CYLINDER ASSEMBLY -- A2.1. Introduction -- A2.2. Quasi-Static Behavior of the new Assembly -- Subject Index -- Back Cover.
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| Record Nr. | UNINA-9911008995503321 |
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Compressed air
