The paper presents the results of simulation tests hydraulic resistance and temperature distribution prototype Stirling alpha engine supplied with waste heat. following elements were analyzed: heater, regenerator cooler. uses compressed air as a working gas. Analyses carried out for three pressure values and different speeds. work was in order to optimize the configuration due minimization hydr...

Thermoacoustic converters are devices for direct conversion of acoustic energy into thermal in the form temperature difference, or vice versa – converting an wave. In first case, device is called a thermoacoustic heat pump, second engine. can use (or produce) standing travelling This paper describes construction and properties single-stage engine with kind works using Stirling cycle. It uses ga...

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...