نتایج جستجو برای: viscose fluid flow

تعداد نتایج: 659475  

Journal: :iranian journal of science and technology (sciences) 2010
a. mehmood

exact solution for steady two-dimensional flow of an incompressible magma is obtained. themagmatic flow is studied by considering the magma as a second grade fluid. the governing partialdifferential equations are transformed to ordinary differential equations by symmetry transformations. resultsare discussed through graphs to understand the rheology of the flowing magma

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2015
ali sarrami foroushani mohsen nasr esfahany

computational fluid dynamics (cfd) simulations of gas-solid flow through a positive low-pressure pneumatic conveyor were performed using eulerian-eulerian framework. pressure drop in pneumatic conveying pipelines, creation and destruction of plugs along the horizontal and vertical pipes, effect of 90° elbows and u-bends on cross-section concentrations, and rope formation and dispersion were num...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
sohail nadeem safia akram noreen sher akbar

this work concerns the peristaltic flow of a williamson fluid model in an inclined asymmetric channel under combined effects of heat and mass transfer. the governing nonlinear partial differential equations are simplified under the lubrication approach and then solved analytically and numerically. the analytical results are computed with the help of regular perturbation and the numerical result...

Journal: :international journal of industrial mathematics 0
k. l. krupa ‎lakshmi‎ department of studies and research in mathematics, kuvempu university, shimoga-577 451, karnataka, india. b. j. ‎gireesha‎ department of studies and research in mathematics, kuvempu university, shimoga-577 451, karnataka, ‎india.‎ rama s r gorla department of mechanical engineering, cleveland state ‎university, cleveland, ohio, ‎usa. b. mahanthesh‎ department of mathematics and statistics, christ ‎university, bangalore-560027, karnataka, india.‎

‎the problem of two-phase mhd boundary layer flow, heat and mass transfer over a stretching sheet with fluid-particle suspension and thermal radiation has been studied. the effect of mass transfer in dusty fluid over a stretching sheet is considered for the first time. the governing equations are reduced to a set of non-linear ordinary differential equations under suitable similarity transforma...

ذاکری, امید, ذاکری, بتول, رستگار, سمیه,

Drought is one of the environmental stresses, which have detrimental effects on most of plant growth stages, structure of organs and their activities. This experiment was conducted in 2014 to study the effects of drought stress on vegetative and biochemical changes of three six ornamental species include Ipomoea carnea, Delonix regia, Lantana camara, bougainvillea glabra, dodonaea viscose, cler...

Oil production may be accompanied by Sand Production (SP) in the weak sandstone reservoirs. Fluid flow is an important factor in transporting the separated grains and completing the SP mechanism. In this paper, the effect of fluid parameters, fluid flow, and fluid pressure on the SP is investigated by applying the Discrete Element Method (DEM). Parametric studies show that fluid velocity is red...

2004
Robert Schlesinger Thomas Röder Gerhard Götzinger Michael Harasek Anton Friedl Herbert Sixta Hedda Weber

Nanofiltration of press liquor from viscose-type textile fibre production was investigated using a laboratory-scale cross-flow test apparatus. Feed solutions contained about 200 g/l sodium hydroxide and a high concentration of hemicellulose as a contaminant originating from the raw material wood. The effect of various pretreatments and the addition of reagents affecting the solution state of he...

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