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Stochastic thermodynamic treatment of thermal anisotropy

Record Type:	Electronic resources : Monograph/item
Title/Author:	Stochastic thermodynamic treatment of thermal anisotropyby Olga Movilla Miangolarra.
Author:	Movilla Miangolarra, Olga.
Published:	Cham :Springer Nature Switzerland :2024.
Description:	xvii, 159 p. :ill. (some col.), digital ;24 cm.
Notes:	"Doctoral thesis accepted by the University of California, Irvine, USA."
Contained By:	Springer Nature eBook
Subject:	Thermodynamics.
Online resource:	https://doi.org/10.1007/978-3-031-68066-3
ISBN:	9783031680663$q(electronic bk.)

Stochastic thermodynamic treatment of thermal anisotropy
Movilla Miangolarra, Olga.

Stochastic thermodynamic treatment of thermal anisotropy[electronic resource] /by Olga Movilla Miangolarra. - Cham :Springer Nature Switzerland :2024. - xvii, 159 p. :ill. (some col.), digital ;24 cm. - Springer theses,2190-5061. - Springer theses..

"Doctoral thesis accepted by the University of California, Irvine, USA."

Chapter 1: Introduction to Optimal Mass Transport -- Chapter 2: Introduction to Stochastic Thermodynamics -- Chapter 3: Stochastic thermodynamic systems subject to anisotropic fluctuations -- Chapter 4: Energy harvesting from anisotropic temperature fields -- Chapter 5: Minimal entropy production in anisotropic temperature fields -- Chapter 6: Application: thermodynamic engine powered by anisotropic fluctuations -- Chapter 7: Conclusion.

This thesis advances our understanding of how thermal anisotropy can be exploited to extract work through a mechanism that is quite distinct from the classical Carnot heat engine. Anisotropy, the presence of thermal or chemical gradients, is ubiquitous in the real world and powers the cascade of processes that sustain life. The thesis quantifies, for the first time, the maximum amount of power and efficiency that a suitable mechanism (a Brownian gyrator) can achieve in such conditions. An important contribution at the center of the thesis is to lay out a geometric framework that brings out the importance of an isoperimetric problem to analyze and quantify optimal operation of thermodynamic engines that harvest energy when simultaneously in contact with several heat baths. Fundamental bounds are derived via isoperimetric inequalities which capture the trade-off between work and dissipation that accrue during thermodynamic cycles. A geometric theory that allows such insights is explained first - the theory of optimal mass transport - followed by rudiments of stochastic thermodynamics that allow for quantification of work and entropy production during finite-time thermodynamic transitions. The thesis further explores entropy production due to heat flowing between heat baths of different temperature through the system dynamics, and concludes with analysis as a proof-of-concept of an autonomous engine that harvests energy from a thermal gradient to continuously produce work in a stable limit cycle operation.

ISBN: 9783031680663$q(electronic bk.)

Standard No.: 10.1007/978-3-031-68066-3doiSubjects--Topical Terms:

183038
Thermodynamics.

LC Class. No.: TJ265

Dewey Class. No.: 621.4021

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520 $a This thesis advances our understanding of how thermal anisotropy can be exploited to extract work through a mechanism that is quite distinct from the classical Carnot heat engine. Anisotropy, the presence of thermal or chemical gradients, is ubiquitous in the real world and powers the cascade of processes that sustain life. The thesis quantifies, for the first time, the maximum amount of power and efficiency that a suitable mechanism (a Brownian gyrator) can achieve in such conditions. An important contribution at the center of the thesis is to lay out a geometric framework that brings out the importance of an isoperimetric problem to analyze and quantify optimal operation of thermodynamic engines that harvest energy when simultaneously in contact with several heat baths. Fundamental bounds are derived via isoperimetric inequalities which capture the trade-off between work and dissipation that accrue during thermodynamic cycles. A geometric theory that allows such insights is explained first - the theory of optimal mass transport - followed by rudiments of stochastic thermodynamics that allow for quantification of work and entropy production during finite-time thermodynamic transitions. The thesis further explores entropy production due to heat flowing between heat baths of different temperature through the system dynamics, and concludes with analysis as a proof-of-concept of an autonomous engine that harvests energy from a thermal gradient to continuously produce work in a stable limit cycle operation.
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