Neutral beam injection systems have proven to be the single most effective form of heating for tokamak plasmas. Typical beam pulse lengths are of the order of ten seconds and the major limitation to increased pulse length in multi-megawatt beamlines is the effect of re-ionised neutral particles in the restricted drift space, or “duct”, connecting the beamline to the tokamak vessel. These partic...

Micro wind energy harvester (MWEH) can provide eco-friendly and sustainable for low-power electric devices like wireless sensors. The performance of the turbine be enhanced by applying a duct with brim. In this work, characteristic study was performed when is applied to MWEH through computational fluid dynamics analysis internal external flow duct. power generation various cases evaluated using...

Solar energy is a good option among renewable energy resources due to its easy availability and abundance. The simplest and most efficient way to utilize solar energy is to convert it into thermal energy and this can be done with the help of solar collectors. The thermal performance of such collectors is poor due to less heat transfer from the collector surface to air. In this work, experimenta...

The transfer matrix method has been extensively explored by many researchers for analysing acoustic duct systems. However, there does not exist a comprehensive source that elaborates the use of transfer matrix method for evaluating the performance of acoustic filters. The current approach describes a detailed step-by-step method for evaluating induct net acoustic power transmission for a harmon...

One of the significant strategies of the power systems is Economic Dispatch (ED) problem, which is defined as the optimal generation of power units to produce energy at the lowest cost by fulfilling the demand within several limits. The undeniable impacts of ramp rate limits, valve loading, prohibited operating zone, spinning reserve and multi-fuel option on the economic dispatch of practical p...

Abstract Ventilation duct systems are indispensable for air purification and room temperature management in industrial commercial buildings. The noise generated by blowers ventilating spaces should be as low possible. In addition, to power the wireless nodes monitoring ventilation conditions such pressure at any positions all ducts, electric is preferred situ without batteries wired supply. thi...