نتایج جستجو برای: thermal regenerator
تعداد نتایج: 217722 فیلتر نتایج به سال:
We deal with the Regenerator Location Problem in optical networks. We are given a network G = (V,E), and a set Q of communication requests between pairs of terminals in V . We investigate two variations: one in which we are given a routing P of the requests in Q, and one in which we are required to find also the routing. In both cases, each path in P must contain a regenerator after every d edg...
We present the results of studies of fiber ring reflectors that are pulse excited in the negative dispersion regime. An intensity-dependent fiber switch is proposed for improved thresholding and pulse output characteristics over those previously reported. Schemes for fiber switches relying on solitary-wave collisioninduced phase shifts are also discussed. A pulse regenerator and logic gates are...
All optical buffering within high-speed optical time division multiplexing (OTDM) based networks is becoming a necessity. In this paper, an active all-optical recirculating fibre loop buffer (RFLB) employing an alloptical regenerator to compensate for pulse distortion is introduced. The OTDM pulse shape is soliton and the data rate used is 20 Gb/s. Simulation results for the bit error rate (BER...
In this work, we numerically investigate the performances of optical regenerators based on self-phase modulation and spectral offset filtering at 40 Gbit/s. We outline the different effects affecting the device performances and explain the choice of the optimal working power. The impact of the regenerator on the output signal is also analysed through a statistical approach. Both single and doub...
Magnetocaloric refrigeration is an alternative refrigeration technology with significant potential energy savings compared to conventional vapor compression refrigeration technology. Most of the reported active magnetic regenerator (AMR) systems that operate based on the magnetocaloric effect use heat transfer fluid to exchange heat, which results in complicated mechanical subsystems and compon...
The present work demonstrates the results of a 3D numerical analysis heat transfer and fluid flow through fabricated aluminium wire filament, bonded mesh deployed as regenerator surface in Stirling engine. Here, two inline models with same mass but different geometry were simulated by computational dynamics (CFD) finite element method (FEM). show that temperature efficiency both non-uniform uni...
The design of a thermal regenerator is initially carried out by considering the fundamental influencing variables. For novel solid-state cooling systems using active caloric regenerators, non-linearity coupled phenomena material properties, heat transfer, and hydraulic flow can complicate interpretation experimental simulated results. Based on boundary conditions sinusoidal magnetic field fluid...
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