نتایج جستجو برای: carreau yasuda model

تعداد نتایج: 2104727  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1394

اگرکیفیت معلم کلاس برای بهبودیادگیری دانش آموزحیاتی است،پس کیفیت اساتیددانشجو-معلمان، یابه عبارتی معلمین معلمان نیزبرای پیشرفت آموزش بسیارمهم واساسی است.ناگفته پیداست که یک سیستم مناسب آموزش معلمان ،معلمین با کیفیتی را تربیت خواهدکرد.که این کار منجربه داشتن مدارس خوب، ودرنتیجه نیروی کارماهرتروشهروندبهتربرای جامعه خواهدشد. اساتیددانشجو-معلمان نقشی بسیارمهم را در سیستم اموزش معلمان درسراسرجهان ای...

2011
Maria Grazia Di Iasio Federica Corallini Paola Secchiero Silvano Capitani

Note RefSeq NP-002537.3; Size: 401 amino acids; 46040 Da; Subunit: Homodimer; Subcellular location: Secreted. Osteoprotegerin (OPG) was isolated independently by two laboratories in 1997 (Tsuda et al., 1997; Simonet et al., 1997), as being a protein that exhibits a protective effect on bone. OPG is a member of the TNF-receptor superfamily, which consists of proteins that evoke different signal ...

Journal: :IACR Cryptology ePrint Archive 2015
Bart Mennink Reza Reyhanitabar Damian Vizár

We provide a security analysis for full-state keyed Sponge and full-state Duplex constructions. Our results can be used for making a large class of Sponge-based authenticated encryption schemes more efficient by concurrent absorption of associated data and message blocks. In particular, we introduce and analyze a new variant of SpongeWrap with almost free authentication of associated data. The ...

2015
Bart Mennink Reza Reyhanitabar Damian Vizár

We provide a security analysis for full-state keyed Sponge and full-state Duplex constructions. Our results can be used for making a large class of Sponge-based authenticated encryption schemes more efficient by concurrent absorption of associated data and message blocks. In particular, we introduce and analyze a new variant of SpongeWrap with almost free authentication of associated data. The ...

2016
Khairuzzaman Mamun Mohammad Ali Nasrin Akhter

A numerical simulation to investigate the Non-Newtonian modeling effects on physiological flows in a three dimensional idealized artery with a single stenosis of 85% severity is given. The wall vessel is considered to be rigid. Oscillatory physiological and parabolic velocity profile has been imposed for inlet boundary condition. Determination of the physiological waveform is performed using a ...

2017
D. Šedivý S. Fialová

Abstract—The main purpose of this study is to show differences between the numerical solution of the flow through the artificial heart valve using Newtonian or non-Newtonian fluid. The simulation was carried out by a commercial computational fluid dynamics (CFD) package based on finite-volume method. An aortic bileaflet heart valve (Sorin Bicarbon) was used as a pattern for model of real heart ...

Journal: :Medical engineering & physics 2012
M M Molla M C Paul

Large Eddy Simulation (LES) is performed to study the physiological pulsatile transition-to-turbulent non-Newtonian blood flow through a 3D model of arterial stenosis by using five different blood viscosity models: (i) Power-law, (ii) Carreau, (iii) Quemada, (iv) Cross and (v) modified-Casson. The computational domain has been chosen is a simple channel with a biological type stenosis formed ec...

2015
Carlos Lam Peter J. Martin Stephan A. Jefferis

Synthetic polymer fluids are becoming a popular replacement for bentonite slurries to support excavations for deep foundation elements. However, the rheological properties of the polymer fluids used in excavation support have not been studied in detail, and there is currently confusion about the choice of mathematical models for this type of fluid. To advance the current state of knowledge, a l...

Journal: :Metals 2022

Semi-solid aluminium alloy processing (SSM) has advanced into a more mature process with many applications. The current paper aims to investigate the in-process behaviour of production slurry using an engineering approach estimate properties. A method assess rheological properties semi-solid metal was tested and found capable producing meaningful measurements. foundations this were use Rushton ...

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