Innovation and discovery in Russian science and engineering
Includes bibliographical references and index.
Intro; Preface; Contents; Chapter 1: Mathematical Modeling of Piezoelectric Generators; 1.1 General Formulation of the Problem of Electroelasticity; 1.2 Mathematical Modelling of Cantilever-type PEGs; 1.2.1 Statement of the Problem for Cantilever-type PEGs; 1.2.2 Numerical Experiment; 1.2.2.1 Configuration # 1; 1.2.2.2 Configuration # 2; 1.2.2.3 Configuration # 3; 1.2.2.4 Configuration # 4; 1.3 Mathematical Modelling of Stack-type PEGs; 1.3.1 Statement of the Problem for Stack-type PEGs; 1.3.2 Numerical Experiment; Chapter 2: Experimental Modeling of Piezoelectric Generators.
2.1 Cantilever-Type Generators2.1.1 Description of Test Set-up and Samples; 2.1.2 Experiment; 2.1.3 Theory and Experiment; 2.2 Stack-Type Generators; 2.2.1 Harmonic Loading; 2.2.1.1 Description of Test Set-up and Samples; 2.2.1.2 Experiment; 2.2.1.3 Comparison of Theory and Experiment; 2.2.2 Pulsed Loading; 2.2.2.1 Description of the Test Set-up and Samples; 2.2.2.2 Experiment; 2.2.2.3 Comparison of Theory and Experiment; 2.2.3 Quasi-Static Loading; 2.2.3.1 Description of the Test Set-up and Samples; 2.2.3.2 Experiment; 2.3 Conclusions; Chapter 3: Mathematical Modeling of Flexoelectric Effect.
3.1 Investigation of Output Voltage in Unpolarized Ceramics3.1.1 Samples for Study and Experimental Procedure; 3.1.2 Results of the Experiment and Discussion; 3.2 Investigation of the Flexoelectric Effect in Unpolarized Ceramics; 3.2.1 Formulation of the Problem for Flexoelectrical Beam; 3.2.2 Boundary Conditions; 3.2.3 Solution; 3.2.4 Numerical Experiment; 3.3 Conclusion; Chapter 4: Amplified High-Stroke Flextensional PZT Actuator for Rotorcraft Application; 4.1 Introduction; 4.2 Modeling and Numerical Optimization of the Actuator Shell; 4.3 Actuator Design and Manufacture.
4.4 Actuator Static Tests4.5 Numerical and Experimental Tests of the Actuatorś Dynamic Properties; 4.6 Conclusion; Chapter 5: Defects in Rod Constructions; 5.1 Diagnosis of Defects and Monitoring of Rod Construction; 5.2 Reconstruction of Defect Parameters Based on Beam Models; 5.3 Reconstruction of Defects Based on Finite-Element Modeling; 5.4 Goals of Following Study; Chapter 6: Identification of Defects in Cantilever Elastic Rod; 6.1 Mathematical Formulation of the Problem of Defect Reconstruction in Cantilever.
6.2 Finite Element Modeling of Cantilever with Defects and Analysis of Vibration Parameters6.2.1 Full-Body Rod Model with Defect; 6.2.2 Analysis of Modal Parameters of Full-Body Model with Defect; 6.2.3 Comparison of Modal Parameters of Oscillations with Stress-Strain State of FE Cantilever Model with Various Notches; 6.3 Analysis of the Vibration Parameters of Cantilever with Defects Based on the Analytical Modeling; 6.3.1 Identification of Cantilever Rod Defects Within the Euler-Bernoulli Model.
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This book presents new approaches to R & D of piezoelectric actuators and generators of different types based on established, original constructions and contemporary research into framework of theoretical, experimental, and numerical methods of physics, mechanics, and materials science. Improved technical solutions incorporated into the devices demonstrate high output values of voltage and power, allowing application of the goods in various areas of energy harvesting. The book is divided into seven chapters, each presenting main results of the chapter, along with a brief exposition of novel findings from around the world proving context for the author's results. It presents particular results of the Soviet and Russian schools of Mechanics and Material Sciences not previously available outside of Russia.
Springer Nature
com.springer.onix.9783319756295
9783319756288
Energy harvesting.
Piezoelectric devices.
Alternative & renewable energy sources & technology.