نتایج جستجو برای: entransy dissipation

تعداد نتایج: 27452  

2016
J. A.M. Green Matthew Huber J. A. M. Green M. Huber

[1] The tidally driven vertical diffusivity in the abyssal ocean during the early Eocene (55 Ma) is investigated using an established tidal model. A weak tide is predicted in the Eocene ocean, except in the Pacific. Consequently, the integrated global tidal dissipation rate is a mere 1.44TW, of which 40% dissipate in the Pacific. However, due to a stronger abyssal vertical stratification the pr...

Journal: :transport phenomena in nano and micro scales 2013
m. izadi m. m. shahmardan a. m. rashidi

the paper numerically presents laminar forced convection of a nanofluid flowing in a duct at microscale. results were compared with both analytical and experimental data and observed good concordance with previous studies available in the literature. influences of brinkman and reynolds number on thermal and hydrodynamic indexes have been investigated. for a given nanofluid, no change in efficie...

Journal: :Fundamental research 2021

State functions play important roles in thermodynamics. Different from the process function, such as exchanged heat $\delta Q$ and applied work W$, change of state function can be expressed an exact differential. We prove here that, for a generic thermodynamic system, only inverse temperature, namely $1/T$, serve integration factor Q$. The uniqueness invalidates any attempt to define other asso...

1996
Gerrit Burgers

It is noted that the results of recent experiments on the enhancement of turbulent kinetic energy (TKE) dissipation below surface waves can be stated as follows. TKE dissipation is enhanced by a factor 15Hws/z at depths 0.5Hws < z < 20Hws with respect to the wall-layer result ǫ = u ∗w/κz, where u∗w is the friction velocity in water and Hws is the significant windsea wave height. For open ocean ...

S. Kassa, S. Nema

This paper introduces a peculiar approach of designing Static Random Access Memory (SRAM) memory cell in Quantum-dot Cellular Automata (QCA) technique. The proposed design consists of one 3-input MG, one 5-input MG in addition to a (2×1) Multiplexer block utilizing the loop-based approach. The simulation results reveals the excellence of the proposed design. The proposed SRAM cell achieves 16% ...

ژورنال: علوم آب و خاک 2022

In the last decade, the use of gabion structures in hydraulic engineering for stabilizing the structure due to its high density and weight has become widespread. Also, the material's roughness and porosity cause it to be used in energy dissipation and drainage projects. This study evaluates the relative energy dissipation of gabion structures downstream of the ogee spillway in the conditions of...

Journal: :Physical review letters 2007
Sara Jabbari-Farouji Daisuke Mizuno Maryam Atakhorrami Fred C MacKintosh Christoph F Schmidt Erika Eiser Gerard H Wegdam Daniel Bonn

We provide a direct experimental test of the fluctuation-dissipation theorem (FDT) in an aging colloidal glass. The use of combined active and passive microrheology allows us to independently measure both the correlation and response functions in this nonequilibrium situation. Contrary to previous reports, we find no deviations from the FDT over several decades in frequency (1 Hz-10 kHz) and fo...

2013
Guilherme Schneider

The use of cylindrical rotor in synchronous machines offers excellent conditions for the heat dissipation from the stator and rotor windings. This paper describes the main ventilation arrangements for this type of construction as well as specifies the main factors that determine the choice of the most appropriate ventilation method for each application.

2016
Jeongmin Hong Brian Lambson Scott Dhuey Jeffrey Bokor

Minimizing energy dissipation has emerged as the key challenge in continuing to scale the performance of digital computers. The question of whether there exists a fundamental lower limit to the energy required for digital operations is therefore of great interest. A well-known theoretical result put forward by Landauer states that any irreversible single-bit operation on a physical memory eleme...

2017
Sudeok Shon Mina Yoo Seungjae Lee

The steel frame reinforced with steel shear wall is a lateral load resisting system and has higher strength and shear performance than the concrete shear wall system. Especially, using corrugated steel plates in these shear wall systems improves out-of-plane stiffness and flexibility in the deformation along the corrugation. In this paper, a cyclic loading test of this steel frame reinforced wi...

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