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1. |
Record Nr. |
UNINA9910688383603321 |
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Titolo |
Thermoelectricity : recent advances, new perspectives and applications / / Guangzhao Qin, editor |
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Pubbl/distr/stampa |
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London : , : IntechOpen, , 2022 |
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Descrizione fisica |
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1 online resource (148 pages) |
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Disciplina |
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Soggetti |
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Thermoelectricity |
Electric conductivity |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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1. Introductory Chapter: Thermoelectricity -- Recent Advances, New Perspectives, and Applications -- 2. Optimization of Thermoelectric Properties Based on Rashba Spin Splitting -- 3. Processing Techniques with Heating Conditions for Multiferroic Systems of BiFeO3, BaTiO3, PbTiO3, CaTiO3 Thin Films -- 4. Research Progress of Ionic Thermoelectric Materials for Energy Harvesting -- 5. Challenges in Improving Performance of Oxide Thermoelectrics Using Defect Engineering -- 6. Thermoelectricity Properties of Tl10-x ATe6 (A = Pb) in Chalcogenide System -- 7. Thermoelectric Elements with Negative Temperature Factor of Resistance -- 8. Quantum Physical Interpretation of Thermoelectric Properties of Ruthenate Pyrochlores. |
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Sommario/riassunto |
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Next-generation energy sources are crucial for combating the world's energy crisis. One such alternative energy source is thermoelectricity, which is cost-efficient and environmentally friendly. This book presents a comprehensive overview of the progress made in thermoelectrics over the past few years with a focus on charge and heat carrier transport from both theoretical and experimental viewpoints. It also presents new strategies to improve thermoelectricity and discusses device physics and applications to guide the research community. |
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2. |
Record Nr. |
UNINA9910830108203321 |
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Autore |
Bécherrawy Tamer |
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Titolo |
Mechanical and electromagnetic vibrations and waves [[electronic resource] /] / Tamer Bécherrawy |
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Pubbl/distr/stampa |
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Hoboken, N.J., : John Wiley & Sons, Inc., |
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London, : ISTE Ltd., 2012 |
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ISBN |
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1-118-58652-2 |
1-118-58656-5 |
1-118-58654-9 |
1-299-18693-9 |
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Edizione |
[1st edition] |
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Descrizione fisica |
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1 online resource (414 p.) |
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Collana |
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Disciplina |
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Soggetti |
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Electromagnetic fields - Mathematical models |
Electromagnetic waves - Mathematical models |
Electrodynamics - Mathematical models |
Oscillations - Mathematical models |
Engineering mathematics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover; Title Page; Copyright Page; Table of Contents; Preface; Chapter 1. Free Oscillations; 1.1. Oscillations and waves, period and frequency; 1.2. Simple harmonic vibrations: differential equation and linearity; 1.3. Complex representation and phasor representation; 1.4. Point mass subject to a force-Kx; 1.5. Angular oscillations; 1.6. Damped oscillations; 1.7. Dissipation of the energy of a damped oscillator; 1.8. Oscillating LCR circuits; 1.9. Small oscillations of a system with one degree of freedom; 1.10. Nonlinear oscillators; 1.11. Systems with two degrees of freedom |
1.12. Generalization to systems with n degrees of freedom1.13. Normal variables for systems with n degrees of freedom*; 1.14. Summary; 1.15. Problem solving suggestions; 1.16. Conceptual questions; 1.17. |
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Problems; Chapter 2. Superposition of Harmonic Oscillations, Fourier Analysis; 2.1. Superposition of two scalar and isochronous simple harmonic oscillations; 2.2. Superposition of two perpendicular and isochronous vector oscillations, polarization; 2.3. Superposition of two perpendicular and non-isochronous oscillations |
2.4. Superposition of scalar non-synchronous harmonic oscillations, beats2.5. Fourier analysis of a periodic function; 2.6. Fourier analysis of a non-periodic function; 2.7. Fourier analysis of a signal, uncertainty relation; 2.8. Dirac delta-function; 2.9. Summary; 2.10. Problem solving suggestions; 2.11. Conceptual questions; 2.12. Problems; Chapter 3. Forced Oscillations; 3.1. Transient regime and steady regime; 3.2. Case of a simple harmonic excitation force; 3.3. Resonance; 3.4. Impedance and energy of a forced oscillator in the steady regime; 3.5. Complex impedance |
3.6. Sustained electromagnetic oscillations3.7. Excitation from a state of equilibrium*; 3.8. Response to an arbitrary force, nonlinear systems*; 3.9. Excitation of a system of coupled oscillators*; 3.10. Generalization of the concepts of external force and impedance*; 3.11. Some applications; 3.12. Summary; 3.13. Problem solving suggestions; 3.14. Conceptual questions; 3.15. Problems; Chapter 4. Propagation in Infinite Media; 4.1. Propagation of one-dimensional waves; 4.2. Propagation of two- and three-dimensional waves; 4.3. Propagation of a vector wave |
4.4. Polarization of a transverse vector wave4.5. Monochromatic wave, wave vector and wavelength; 4.6. Dispersion; 4.7. Group velocity; 4.8. Fourier analysis for waves*; 4.9. Modulation*; 4.10. Energy of waves; 4.11. Other unattenuated wave equations, conserved quantities*; 4.12. Impedance of a medium*; 4.13. Attenuated waves; 4.14. Sources and observers in motion, the Doppler effect and shock waves; 4.15. Summary; 4.16. Problem solving suggestions; 4.17. Conceptual questions; 4.18. Problems; Chapter 5. Mechanical Waves; 5.1. Transverse waves on a taut string |
5.2. Strain and stress in elastic solids |
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Sommario/riassunto |
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Dealing with vibrations and waves, this text aims to provide understanding of the basic principles and methods of analysing various physical phenomena. The content includes the general properties of propagation, a detailed study of mechanical (elastic and acoustic) and electromagnetic waves, propagation, attenuation, dispersion, reflection, interference and diffraction of waves. It features chapters on the effect of motion of sources and observers (both classical and relativistic), emission of electromagnetic waves, standing and guided waves and a final chapter on de Broglie wa |
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