نتایج جستجو برای: inner flow field

تعداد نتایج: 1295138  

Journal: :Monthly Notices of the Royal Astronomical Society 2001

Journal: :Global Journal of Engineering and Technology Advances 2021

Differences in flow rates of this nature have a significant effect on the unevenness moisture content dried material, since material which remains drying chamber for an unnecessarily long time is over-dried and under-drying problem remaining dryer too short time. In article, I analyzed increasing particle-wall friction particle velocity field. The research has shown that dead zones are formed v...

Journal: :international journal of civil engineering 0
jui-chao kuo national cheng-kung university, tainan 701, taiwan teng-yi kuo national cheng-kung university, tainan 701, taiwan cheng-han wu national cheng-kung university, tainan 701, taiwan shih-heng tung national university of kaohsiung, kaohsiung 811, taiwan ming-hsiang shih national chi nan university, nan-tou 545, taiwan wen-pei sung national chin-yi university of technology, taichung 411, taiwan

in this study digital image correlation (dic) technique combined with a high speed video system was used to predict movement of particles in a water model. comparing with particle-image velocimetry (piv) technique, it provides a low cost alternative approach to visualize flow fields and was successfully employed to predict the movement of particles in a water model at different submergence dept...

Journal: :تحقیقات آب و خاک ایران 0
لیلا مهردار دانشجوی کارشناسی ارشد دانشگاه ارومیه محمد همتی هیئت علمی دانشگاه ارومیه مهدی یاسی هیات علمی گروه مهندسی آب دانشگاه ارومیه

bendway weirs are an important tool in multi-purpose erosion control and are implemented to control erosion, restore streams, and improve habitat. these structures create a hydraulic effect that reduces erosion on the outer bank of a bend by reducing flow velocities near the outer bank and reduce the concentration of currents on the outer bank creating better current alignment through the bend....

alireza Amouheidari parvaneh shokrani, Somayeh karimi

Introduction: Sensorineural hearing loss (SNHL) is one of the possible complications of radiotherapy treatment of brain tumors. The auditory system of patients with brain tumors often is placed inside of radiation field and receives a significant amount of radiation dose resulting in hearing loss. The purpose of this study was to compare contouring and delivery dose to cochlea...

K. Suneetha S. Mohammed Ibrahim

An analytical investigation is conducted to study the unsteady free convection heat and mass transfer flow through a non-homogeneous porous medium with variable permeability bounded by an infinite porous vertical plate in slip flow regime while taking into account the thermal radiation, chemical reaction, the Soret number, and temperature gradient dependent heat source. The flow is considered u...

To improve the calculation of the flow properties of an aerospike nozzle, different turbulence models were investigated in this study. The primary shape of the nozzle plug is determined through utilizing an approximate method. The flow field is, then, simulated using the Navier-Stokes equations for compressible flows. The commercial computational fluid dynamics code Fluent is used to simulate t...

2003
R. Hecker

The capillary electrophoresis assay described in this study is reproducible, more sensitive and faster than other analytical tests. The samples used in the capillary electrophoresis assay were obtained from brain and the lymphoid system of the animals. The sensitivity of this assay made it possible to test samples from other tissues that contain much less abnormal prion protein than brain sampl...

Journal: :Energies 2021

The aim of this research is to investigate the effects a direct current (DC) electric field on combustion behavior co-flow propane diffusion flame. flame length and NOx emission were observed measured. enhances process by causing movement ions molecules in flame, resulting change shape heights decrease with an increase applied voltage polarity, more dominant effect be positive DC field. However...

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