نتایج جستجو برای: thermodynamic efficiency

تعداد نتایج: 426691  

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2017
Christopher P Kempes David Wolpert Zachary Cohen Juan Pérez-Mercader

Biological organisms must perform computation as they grow, reproduce and evolve. Moreover, ever since Landauer's bound was proposed, it has been known that all computation has some thermodynamic cost-and that the same computation can be achieved with greater or smaller thermodynamic cost depending on how it is implemented. Accordingly an important issue concerning the evolution of life is asse...

Journal: :Nature materials 2012
Albert Polman Harry A Atwater

• For decades, solar-­‐cell efficiencies have remained below the thermodynamic limits. • Here, we show several new approaches for light management inside solar cells that may overcome some of the thermodynamic losses and pave the way for ultrahigh efficiency photovoltaics. Energy loss due to thermaliza,on or lack of absorp,on Entropy loss due to lack of angle restric,on Entropy loss to increase...

Journal: :Physical review letters 2008
Takahiro Sagawa Masahito Ueda

A new thermodynamic inequality is derived which leads to the maximum work that can be extracted from multi-heat-baths with the assistance of discrete quantum feedback control. The maximum work is determined by the free-energy difference and a generalized mutual information content between the thermodynamic system and the feedback controller. This maximum work can exceed that in conventional the...

Journal: :Entropy 2010
John Ross Alejandro Fernández Villaverde

We review a coherent mesoscopic presentation of thermodynamics and fluctuations far from and near equilibrium, applicable to chemical reactions, energy transfer and transport processes, and electrochemical systems. Both uniform and spatially dependent systems are considered. The focus is on processes leading to and in non-equilibrium stationary states; on systems with multiple stationary states...

2013
Sahar Amir Ahmad Kadoura Amgad Salama Shuyu Sun King Abdullah

In this paper we introduce efficient thermodynamically consistent techniques to extrapolate and interpolate normalized Canonical NVT ensemble averages for Lennard-Jones (L-J) fluids at different thermodynamic conditions from expensively simulated data points. This leads to a significant speed up in generating intensive data. Preliminary results show promising applicability in oil and gas modell...

Journal: :Handbook of experimental pharmacology 2008
A Honegger

Antibody variable domains vary widely in their intrinsic thermodynamic stability. Despite the mutual stabilization of the domains in the scFv fragment, most scFv derived from monoclonal antibodies without further engineering show poor to moderate stability. The situation gets more complex for Fab fragments and full-sized antibodies: while the disulfide-linked C(L)/C(H) heterodimer shows very li...

Journal: Gas Processing 2019

In this study, optimization of Qeshm power and water desalting cogeneration plant has been investigated. The objective functions are related to maximizing exergetic efficiency and minimization of exergoeconomic and exergoenvironmental parameters. Also, the integration of RO desalination with the existing plant has been evaluated based on these analyses. This plant includes two MAPNA 25 MW gas t...

Journal: :Physical review letters 2012
Susanne Still David A Sivak Anthony J Bell Gavin E Crooks

A system responding to a stochastic driving signal can be interpreted as computing, by means of its dynamics, an implicit model of the environmental variables. The system's state retains information about past environmental fluctuations, and a fraction of this information is predictive of future ones. The remaining nonpredictive information reflects model complexity that does not improve predic...

Journal: :CoRR 2012
Susanne Still David A. Sivak Anthony J. Bell Gavin E. Crooks

A system responding to a stochastic driving signal can be interpreted as computing, by means of its dynamics, an implicit model of the environmental variables. The system’s state retains information about past environmental fluctuations, and a fraction of this information is predictive of future ones. The remaining nonpredictive information reflects model complexity that does not improve predic...

Journal: :international journal of environmental research 2015
m. abbaspour a.r. saraei

performance optimization of a single-effect lithium bromide water absorption refrigerationsystem is the subject of this paper. first, the thermodynamic model of the system wasderived based on thefirst and second law analysis of an absorption refrigeration cycle with libr-water as the working fluid pair.then, the effects of different design parameters such as the generator inlet hot water temper...

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