نتایج جستجو برای: thermodynamics parameters

تعداد نتایج: 604719  

2000
Shahar Dolev Avshalom C. Elitzur

It is probably not a coincidence that two of the pioneers of thermodynamics, Helmholtz and Mayer, were physicians. Thermodynamics studies the transformations of energy, and such transformations ceaselessly take place in all living systems (probably with important differences between the states of health and disease). Moreover, thermodynamics studies the elusive notions of order and disorder, wh...

Journal: :Comp. Applic. in Engineering Education 2002
C. C. Ngo F. C. Lai

This paper presents the Web-based Thermodynamics Tables Wizard and how it can be used for online courses or web-teaching to accommodate the need of students at different levels in looking up thermodynamics properties. It can be used as a stand-alone study aid or an add-on component for any online Thermodynamics course. The implementation of this Web-based module has greatly enhanced the learnin...

2007
Kourosh Nozari

This paper considers the effects of space noncommutativity on the thermodynamics of a Reissner-Nordström black hole. In the first step, we extend the ordinary formalism of Bekenstein-Hawking to the case of charged black holes in commutative space. In the second step we investigate the effects of space noncommutativity and the generalized uncertainty principle on the thermodynamics of charged bl...

Exergy analysis is a method of evaluating the contribution proportion of each process on transmission of initial availability of the system and determining the positions of useful energy losses. In this research exergic analysis of an internal combustion engine equipped with turbocharger and intercooler is attended. To do this, at first, the procedure of performance simulation of the system com...

Mir Hatef Seyyedvalilu, Seyed Faramarz Ranjbar

Helical coil heat exchangers are widely used in industrial applications ranging fromcryogenic processes, air-conditioning, and nuclear reactors to waste heat recovery due totheir compact size and high heat transfer coefficient. In this kind of heat exchangers, flowand heat transfer are complicated. This paper reports a numerical investigation of theinfluence of different parameters such as coil...

A cold room assisted vapor-compression refrigeration cycle is dynamically modeled in a year and optimized. Total annual cost (TACO) and coefficient of performance (COP) are selected as two objective functions. Both cold room and refrigeration cycle parameters are considered as design variables. Moreover, three working fluids included R22, R134a and R407c are examined. The optimum Pareto front r...

2007
Nitash P. Balsara

Course Description Covers classical thermodynamics and statistical mechanics. Fundamental laws of thermodynamics, thermodynamics potentials and Legendre transforms, equations of state, chemical equilibrium, statistical mechanics, relationship between entropy and probabilities, classical gasses, liquids, and solids, pair correlation functions, Ising model, renormalization group theory, Brownian ...

2017

Combustion Thermodynamics ...................................................................................................................... 1 Combustion ............................................................................................................................................... 1 Thermodynamics fundamentals ....................................................................

2008
WOLFGANG MUSCHIK W. MUSCHIK

A classification representing some main branches of phenomenological nonequilibrium thermodynamics is discussed. Differences and similarities of these selected branches are explained. Starting out with basic concepts of phenomenological thermodynamics, more developed theories with different back-grounds contributing to contemporary thermodynamics are considered. Because of its vast extent, this...

Journal: :Entropy 2017
Grégoire Nicolis Yannick De Decker

A stochastic thermodynamics of Brownian motion is set up in which state functions are expressed in terms of state variables through the same relations as in classical irreversible thermodynamics, with the difference that the state variables are now random fields accounting for the effect of fluctuations. Explicit expressions for the stochastic analog of entropy production and related quantities...

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