نتایج جستجو برای: slotted solid rotor

تعداد نتایج: 205499  

Journal: :CoRR 2014
Abdellah Zaaloul Abdelkrim Haqiq

In wireless communication networks, when the workload increases, sources become more aggressive at the equilibrium in the game setting in comparison with the team problem by using slotted Aloha mechanism. Consequently, more packets are in collision and are lost. To reduce these phenomena and to enhance the performance of the networks, we propose to combine ZigZag decoding approach with non coop...

2004
S. N. David Chua

In this paper, results are presented of non-linear finite element simulations performed to investigate the effects of varying the geometry of slotted tubes (stent) using finite element method. The analyses were performed using finite element packages LS-DYNA explicit solver for solution of the problem and ANSYS (Version 5.7) as preand post-processor. The analyses involved five different designs...

2005
G. R. DATTATREYA

Many small-scale wireless networks, such as ad hoc networks, operate in a slotted mode with constant packet sizes. The transreceivers have only modest hardware and hence, queuing performance is an important issue. Performance analysis of slotted systems requires more than simply obtaining the performance figures of discrete-time Markov chains. This paper elucidates the importance of characteriz...

2005
S. Solis R. Wang D. Tomasi A. O. Rodriguez

Synopsis. A slotted surface coil, inspired on the cavity magnetron was developed for magnetic resonance imaging (MRI) at 4T. Imaging tests using a saline phantom demonstrated that the slotted surface coil has deeper RF-sensitivity than the single-loop RF-coil. High quality images of two rats were acquired simultaneously using standard spin-echo pulse sequences, demonstrating that the slotted su...

2008
Zhenhua Huang Chunrong Liu

Recent experimental results have shown that the presence of a steady current can significantly reduce the energy of transmitted waves. In this paper, a theory is developed to study the wave scattering by single or double vertical slotted barriers in the presence of a weak uniform current. The quasi-linear theory is based on an eigenfunction expansion method. Comparisons with existing experiment...

Journal: :علوم کاربردی و محاسباتی در مکانیک 0
احمد صداقت روح اله ارسطویی

in this research, the steady-state flow filed around a 3d body and rotor configuration of the robin helicopter is simulated. the rotor is modeled by an actuator disk. for this purpose, an annular computational domain replaces the rotor and some modeled source terms are added to the momentum equations. this modeling of rotor considerably speed up computational time. the flow field over this heli...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی شیوا مهدیه احمدی راحله یزدانی

in this research work with the aid of tagouchi experimental design and rawing of interaction curves with minitab software, the best rotor speed and dump temperature of mixing for physico-mechanical and rheological properties of the rubber compound with three mixing steps was obtained. moreover by plotting the mean curves in excel worksheet, the dependency of properties on rotor speed, dump temp...

Journal: :IEEE Transactions on Transportation Electrification 2016

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