Silicon, the material of choice of the first (demonstration) microengine, exhibits strong thermal softening behavior at temperatures above 900 K. This thermal softening behavior limits the turbine inlet temperature, which in turn significantly degrades the overall engine efficiency. Previous studies have shown that hybrid structures of silicon and silicon carbide have good potential for improve...

We review the literature on analytical models of advanced adiabatic compressed air energy storage plants with isochoric reservoirs, a focus insights that can be extracted from models. The indicates for turbomachinery, and without throttling is missing literature. proceed to derive such models, assuming plant operating at quasi-steady state, treated as calorically thermally perfect gas, thermal-...

The turbocharger and turbocharging have been the inherent component of diesel engines, so that critical parameters of such engines, as BSFC (Brake Specific Fuel Consumption) or thermal efficiency, fuel consumption, BMEP (Brake Mean Effective Pressure), the power density output and emission level have been improved extensively. In general, the turbocharger can be considered as the most complex c...

Thermal-power cycles operating with supercritical carbon dioxide (sCO2) could have a significant role in future power generation systems applications including fossil fuel, nuclear power, concentrated-solar and waste-heat recovery. The use of sCO2 as working fluid offers potential benefits high thermal efficiencies using heat-source temperatures ranging between approximately 350∘C 800∘C, simple...