نتایج جستجو برای: compressibility of gas

تعداد نتایج: 21191482  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1382

‏‎the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...

2004
Mapundi K. Banda Michael Herty Jean-Medard T. Ngnotchouye J. M. T. Ngnotchouye

The well-posedness of a Riemann problem at a junction in a pipeline network is discussed. In addition computational results on the dynamics of the flow of a multi-component gas at such network junctions are presented. The work presented here is a generalisation of [M. K. Banda, M. Herty, and J. M. T. Ngnotchouye, Towards a mathematical analysis of multiphase drift-flux model in networks, SIAM J...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه مواد و انرژی - پژوهشکده سرامیک 1392

thermal barrier coatings (tbcs) are used to provide thermal insulation to the hot section components of gas turbines in order to enhance the operating temperature and turbine efficiency. hot corrosion and thermal shocks are the main destructive factors in tbcs which comes as a result of oxygen and molten salt diffusion into the coating. in this thesis atmospheric plasma spraying was used to dep...

1997
S. Giorgini

Damping in a dilute Bose gas is investigated using a mean-field approximation which describes the coupled oscillations of condensate and non-condensate atoms in the collisionless regime. Explicit results for both Landau and Beliaev damping rates are given for non-uniform gases. In the case of uniform systems we obtain results for the damping of phonons both at zero and finite temperature. The i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی شیراز 1390

در این پایان نامه با استفاده از معادلات حالت نصری فر-بولند(nb)، پنگ-رابینسون(pr) و ردلیچ-ونگ-پنگ-رابینسون(rk-pr) و با درنظر گرفتن پارامترهای برهم کنش دوتایی به بررسی پوشش فازی(phase envelope)، نقطه ی شبنم(dew point)، فاکتور تراکم پذیری(compressibility factor) و اندازه مایع گاز میعانی(gas condensate) می پردازیم. پارامتر برهم کنش دوتایی به کار گرفته شده برای معادلات pr78 و nb، تابعی از دما بوده و...

2004
M. G. Vavilov I. A. Dmitriev I. L. Aleiner A. D. Mirlin

M. G. Vavilov,1 I. A. Dmitriev,2,* I. L. Aleiner,3 A. D. Mirlin,2,4,† and D. G. Polyakov2,* 1Center for Materials Sciences and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA 2Institut für Nanotechnologie, Forschungszentrum Karlsruhe, 76021 Karlsruhe, Germany 3Physics Department, Columbia University, New York, New York 10027, USA 4Institut für Theorie der...

This article describes an accurate subPico flowmeter bifurcatedin to liquid and gas flowrates less than 1mol/s for both MEMS/NEMS and cryogenic technology applications. The MEMS/NEMS are described as either two Gauges (instrument), or quartz fluctuating forks, even if the liquid or gas flows through an element, as well as cryogenic technology consisting of arrays of e...

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