نتایج جستجو برای: flow characteristics

تعداد نتایج: 1112208  

Journal: :Processes 2022

An oblique flow pump is widely used in farmland irrigation and drainage, water transfer projects, thermal power generation, other fields. However, unstable factors the easily lead to vibration noise. To improve stability of operation optimize operating environment, it necessary study flow-induced noise characteristics pumps. In this paper, CFD simulation software are calculate field sound pump....

In this paper we examine the effect of mild stenosis on blood flow, in an irregular axisymmetric artery with oscillating pressure gradient. The Herschel-Bulkley fluid model has been utilized for this study. The combined influence of an asymmetric shape and surface irregularities of constriction has been explored in this computational study. An extensive quantitative analysis has been performed ...

Steady hydromagnetic Couette flow of class-II of a viscous, incompressible and electrically conducting fluid through a porous medium in a rotating system taking Hall current into account is investigated. Heat transfer characteristics of the fluid flow are considered taking viscous and Joule dissipations into account. It is noticed that there exists flow separation at the moving plate in the sec...

Journal: :iranian journal of allergy, asthma and immunology 0
esmaeil mortaz chronic respiratory diseases research center and national research institute of tuberculosis and lung diseases (nritld), department of immunology, shahid beheshti university of medical sciences, tehran, iran and division of pharmacology, utrecht institute for pharmaceutical sciences, faculty of science, utrecht university, utrecht, the netherlands and airwaysdisease section, national heart and lung institute, imperial college london, london, uk hoda gudarzi chronic respiratory diseases research center and national research institute of tuberculosis and lung diseases (nritld), department of immunology, shahid beheshti university of medical sciences, tehran, iran. e payam tabarsi clinical tuberculosis and epidemiology research center, national research and institute of tuberculosis and lung diseases (nritld), shahid beheshti university of medical sciences, tehran, iran. ian m adcock airwaysdisease section, national heart and lung institute, imperial college london, london, uk. mohamad reza masjedi chronic respiratory diseases research center and national research institute of tuberculosis and lung diseases (nritld), department of immunology, shahid beheshti university of medical sciences, tehran, iran. hamid reza jamaati chronic respiratory diseases research center and national research institute of tuberculosis and lung diseases (nritld), department of immunology, shahid beheshti university of medical sciences, tehran, iran.

the use of flow cytometry in the clinical laboratory has grown substantially in the past decade. flow cytometric analysis provides a rapid qualitative and quantitative description of multiple characteristics of individual cells. for example, it is possible to detect the cell size and granularity, aspects of dna and rna content and the presence of cell surface and nuclear markers which are used ...

Journal: :iranian journal of basic medical sciences 0
abbas akhgari nanotechnology research center and school of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, iran hasti sadeghi nanotechnology research center and school of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, iran mohammad ali dabbagh nanotechnology research center and school of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, iran

objective(s):the aim of this study was to improve flowability and compressibility characteristics of starch to use as a suitable excipient in direct compression tabletting. quasi-emulsion solvent diffusion was used as a crystal modification method. materials and methods: corn starch was dissolved in hydrochloric acid at 80˚c and then ethanol as a non-solvent was added with lowering temperature ...

Magnetohydrodynamic(MHD) peristaltic flow of a Couple Stress Fluid through a permeable channel is examined in this investigation. The flow analysis is performed in the presence of an External Magnetic Field. Long wavelength and low Reynolds number approach is implemented. Mathematical expressions of axial velocity, pressure gradient and volume flow rate are obtained. Pressure rise, frictional f...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 1982

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