نتایج جستجو برای: dynamic flow

تعداد نتایج: 863376  

Journal: :iranian journal of chemistry and chemical engineering 0
zohra djetoui université ferhat abbas sétif-1, faculté de technologie, département de génie des procédés, maabouda, route de bejaïa, sétif 19000, algeria ferhat djerboua département de génie des procédés, faculté de technologie, université ferhat abbas de sétif-1 josé m. pereña instituto de ciencia y tecnología de polímeros, ictp-csic. juan de la cierva 3, 28006-madrid, spain rosario benavente instituto de ciencia y tecnología de polímeros, ictp-csic. juan de la cierva 3, 28006-madrid, spain

this study treats one important aspect of starch-filled rubber compounds which is their rheological behavior. starch-based sbr1712 masterbatches resulting from various formulations were prepared using a mini two roll mill and an internal mixer (plastograph brabender).the content in starch was varied from 0 to 50 phr. the effect of starch content on the rheological behavior was evaluated through...

2006
Eric L. Faulring J. Edward Colgate Michael A. Peshkin

Cobots are a class of robots that use infinitely variable transmissions to develop high fidelity programmable constraint surfaces. Cobots consume very little electrical power even when resisting high forces, and their transmissions are highly power efficient across a broad range of transmission ratios. We have recently introduced the Cobotic Hand Controller, a haptic display that illustrates th...

Journal: :MONET 2000
B. R. Badrinath Armando Fox Leonard Kleinrock Gerald J. Popek Peter L. Reiher Mahadev Satyanarayanan

Modern networks are extremely complex, varying both statically and dynamically. This complexity and dynamism are greatly increased when the network contains mobile elements. A number of researchers have proposed solutions to these problems based on dynamic adaptation to changing network conditions and application requirements. This paper summarizes the results of several such projects and extra...

1996
Xenophon Papademetris Peter N. Belhumeur

We present a new method for the estimation of optical pow which uses a dynamic programming based algorithm to simultaneously detect the presence of motion boundaries and to estimate optical pow. This allows for more accurate estimation of the motion field near discontinuities. The results compare favorably with those produced by other methods.

1996
Martin Riedmiller

The article introduces two alternative approaches of self learning control of dynamic systems based on the framework of asyn-chronous dynamic programming BBS93]. The performance of the approaches is evaluated on a typical control task. The growing competence technique is presented as a useful method for robust learning. To demonstrate the capabilities of the self learning controller it is appli...

Journal: :iranian journal of veterinary research 2014
m. shimizu r. tanaka r. fukushima l. hamabe n. sasaki

mitral valve regurgitation (mvr) is a common valvular disease in dogs. hydrokinetic evaluation of the blood flow within the ventricles has become possible by vector flow mapping (vfm), which shows the blood flow within the ventricles in vector and vortex flows. blood flow within the left ventricle of mvr dogs was compared at different stages of mvr and to that of normal dogs. 14 normal dogs and...

High speed wind tunnels are widely used in the study of fluid flow behavior around various objects. The air flow in the starting step of supersonic wind tunnels is transient including strong shock waves caused by the interaction of the tunnel main stream and the boundary layer at walls. To arrive in running step, the tunnel must be designed so as these waves leave immediately the test section. ...

2015
Marianna Rapoport Ondrej Lhoták Frank Tip

When two methods are invoked on the same object, the dispatch behaviours of these method calls will be correlated. If two correlated method calls are polymorphic (i.e., they dispatch to different method definitions depending on the type of the receiver object), a program’s interprocedural control flow graph will contain infeasible paths. Existing algorithms for data-flow analysis are unable to ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی نساجی 1384

برای پیش بینی رفتار منسوج در حین مصرف, آگاهی از خواص مکانیکی آن ضروری می باشد. ساده ترین راه مطالعه خواص مکانیکی بصورت عملی کشش یک محوری است. در این تحقیق ارتباط بین خواص مکانیکی پارچه های حلقوی تاری شامل افت تنش, مدول, ضریب پواسون وکشسانی با تغییرات ساختمانی پارچه شامل طول آندرلپ در شانه های جلو و عقب و همچنین تراکم پارچه مورد بررسی قرار گرفته اند. در این تحقیق پارچه ها بر مبنای افزایش در طو...

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