نتایج جستجو برای: phase flow
تعداد نتایج: 1044741 فیلتر نتایج به سال:
اندازه گیری کدئین در داروهای مختلف منجمله قرصها از نقطه نظر کنترل کیفی از اهمیت زیادی برخوردار است . روشهای مختلفی برای اندازه گیری این ترکیب پیشنهاد شده است که از این میان می توان به تیتراسیون در محیط غیرمائی، روشهای مختلف کروماتوگرافی نظیر tlcو hplc و اسپکتروفتومتری اشاره نمود. درروش اسپکتروفتومتری از معرفهای گوناگونی که با کدئین ایجاد کمپلکس های رنگی می نمایند استفاده می شود. بعنوان مثال، بر...
regulations of use of social networks, as one of the key components in these networks, serve an important role in controlling the flow of traffic. the study of the harmonization of these terms and regulations can be a significant step to avoid congestion and (usersâ) rejection in the network. harmonization of traffic control regulations (tcr) among social networks is one of the best solutions...
Two phase gas-liquid flow pattern in a horizontal pipeline is predicted very accurately using a newly-developed analytical relation. The pattern identification is based on one of the most widely used graphs, the Baker diagram, modified in a way that compensates for the unrealistic oversimplifications of recent works. The Kern's method of pressure drop calculation is used to obtain the frict...
Analytical Solutions and type curves for the constant rate radial flow of fluid in both conventional and naturally fractured reservoirs including the effect of wellbore phase redistribution are presented. An automated procedure for non-linear least square minimization using the analytical solutions and their derivatives with respect to the unknown parameters developed to analyze the pressur...
Investigating nozzle’s orifice flow is challenging both experimentally and theoretically. This paper focuses on simulating flow inside diesel injector nozzle via Ansys fluent v15. Validation is performed with experimental results from Winkhofler et al (2001). Several important parameters such as mass flow rate, velocity profiles and pressure profiles are used for this validation. Results includ...
Two-phase Couette–Taylor flow: Arrangement of the dispersed phase and effects on the flow structures
In the present paper, turbulent convection of CuO-Water Nanofluid in a vertical channel is investigated numerically. In order to simulate the flow, the fluid is considered as a continuous phase while the discrete nanoparticles are dispersed through it. The dispersion of CuO nanoparticles in different flow conditions are studied in order to find the effective mechanisms of particles dispersion i...
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