With continuous rise of oil price, how to develop alternative energy source has become a hot topic around the world. This study discussed the dynamic characteristics of an island power system operating under random wind speed lower than nominal wind speeds of wind turbines. The system primarily consists of three diesel engine power generation systems, three constant-speed variable-pitch wind tu...

This study arose from the need to control noise in naval vessels to reduce their detectability and hence vulnerability to enemy attack. In this report a detailed review of sensor and actuator technologies that could be used for active noise and vibration control in ship structures has been provided. The review focused on a wide range of sensor and actuator materials, such as piezoelectric and e...

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...