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Theoretical and Experimental Studies on Non-Fourier Heat Conduction Based on Thermomass Theory

2014-02-07 Science
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Release : 2014-02-07
Genre : Science
Kind : eBook
Book Rating : 777/5 ( reviews)

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Book Synopsis Theoretical and Experimental Studies on Non-Fourier Heat Conduction Based on Thermomass Theory by : Hai-Dong Wang

Download or read book Theoretical and Experimental Studies on Non-Fourier Heat Conduction Based on Thermomass Theory written by Hai-Dong Wang. This book was released on 2014-02-07. Available in PDF, EPUB and Kindle. Book excerpt: This book mainly focuses on the theoretical and experimental study of non-Fourier heat conduction behavior. A novel thermomass theory is used as the theoretical basis, which provides a general heat conduction equation for the accurate prediction of non-Fourier heat conduction. In order to prove the validity of this thermomass theory, a large current was used to heat the metallic nanofilm at the minimum temperature of 3 K. The measured average temperature of the nanofilm was notably higher than the prediction of Fourier’s heat diffusion equation, while matching well with the general heat conduction equation. This is the first time that steady non-Fourier heat conduction has been observed. Moreover, this book concerns the role of electron-phonon interaction in metallic nanofilms, which involves the breakdown of the Wiedemann-Franz law at low temperatures and interfacial thermal resistance at femtosecond timescales. Readers will find useful information on non-Fourier heat conduction and the latest advances in the study of charge and heat transport in metallic nanofilms.

Non-Fourier Heat Conduction

2023-07-01 Science
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Release : 2023-07-01
Genre : Science
Kind : eBook
Book Rating : 734/5 ( reviews)

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Book Synopsis Non-Fourier Heat Conduction by : Alexander I. Zhmakin

Download or read book Non-Fourier Heat Conduction written by Alexander I. Zhmakin. This book was released on 2023-07-01. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a broad and well-structured overview of various non-Fourier heat conduction models. The classical Fourier heat conduction model is valid for most macroscopic problems. However, it fails when the wave nature of the heat propagation becomes dominant and memory or non-local spatial effects become significant; e.g., during ultrafast heating, heat transfer at the nanoscale, in granular and porous materials, at extremely high values of the heat flux, or in heat transfer in biological tissues. The book looks at numerous non-Fourier heat conduction models that incorporate time non-locality for materials with memory, such as hereditary materials, including fractional hereditary materials, and/or spatial non-locality, i.e. materials with a non-homogeneous inner structure. Beginning with an introduction to classical transport theory, including phase-lag, phonon, and thermomass models, the book then looks at various aspects of relativistic and quantum transport, including approaches based on the Landauer formalism as well as the Green-Kubo theory of linear response. Featuring an appendix that provides an introduction to methods in fractional calculus, this book is a valuable resource for any researcher interested in theoretical and numerical aspects of complex, non-trivial heat conduction problems.

Dynamical Analysis of Non-Fourier Heat Conduction and Its Application in Nanosystems

2015-10-14 Science
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Release : 2015-10-14
Genre : Science
Kind : eBook
Book Rating : 854/5 ( reviews)

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Book Synopsis Dynamical Analysis of Non-Fourier Heat Conduction and Its Application in Nanosystems by : Yuan Dong

Download or read book Dynamical Analysis of Non-Fourier Heat Conduction and Its Application in Nanosystems written by Yuan Dong. This book was released on 2015-10-14. Available in PDF, EPUB and Kindle. Book excerpt: This thesis studies the general heat conduction law, irreversible thermodynamics and the size effect of thermal conductivity exhibited in nanosystems from the perspective of recently developed thermomass theory. The derivation bridges the microscopic phonon Boltzmann equation and macroscopic continuum mechanics. Key concepts such as entropy production, temperature and the Onsager reciprocal relation are revisited in the case of non-Fourier heat conduction. Lastly, useful expressions are extracted from the picture of phonon gas dynamics and are used to successfully predict effective thermal conductivity in nanosystems.

Robotics and Mechatronics

2019-07-01 Technology & Engineering
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Release : 2019-07-01
Genre : Technology & Engineering
Kind : eBook
Book Rating : 770/5 ( reviews)

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Book Synopsis Robotics and Mechatronics by : Richard (Chunhui) Yang

Download or read book Robotics and Mechatronics written by Richard (Chunhui) Yang. This book was released on 2019-07-01. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of the ISRM 2017, the fifth IFToMM International Symposium on Robotics and Mechatronics, which was jointly organised by the School of Computing, Engineering and Mathematics at Western Sydney University, Australia and by the IFToMM Technical Committee on Robotics and Mechatronics. The respective contributions showcase the latest advances, trends and future challenges in Computer Modelling and Simulation, Kinematics and Dynamics of Multi-Body Systems, Advanced Dynamics and Control Methods, Linkages and Mechanical Controls, Parallel Manipulators, Mechanism Design, Sensors and Actuators, Mobile Robotics: Navigation and Motion Planning, Bio-inspired Robotics, Micro/Nano-Robotics and Complex Robotic Systems.

Mesoscopic Theories of Heat Transport in Nanosystems

2016-02-03 Science
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Release : 2016-02-03
Genre : Science
Kind : eBook
Book Rating : 063/5 ( reviews)

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Book Synopsis Mesoscopic Theories of Heat Transport in Nanosystems by : Antonio Sellitto

Download or read book Mesoscopic Theories of Heat Transport in Nanosystems written by Antonio Sellitto. This book was released on 2016-02-03. Available in PDF, EPUB and Kindle. Book excerpt: This book presents generalized heat-conduction laws which, from a mesoscopic perspective, are relevant to new applications (especially in nanoscale heat transfer, nanoscale thermoelectric phenomena, and in diffusive-to-ballistic regime) and at the same time keep up with the pace of current microscopic research. The equations presented in the book are compatible with generalized formulations of nonequilibrium thermodynamics, going beyond the local-equilibrium. The book includes six main chapters, together with a preface and a final section devoted to the future perspectives, as well as an extensive bibliography.

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