VTT Technical Research Centre of Finland books

One option for the production of liquid biofuel in Finland is based on fluidized bed gasification of biomass and Fischer-Tropsch synthesis process. The totalcarbon conversion achieved in the gasifier, operating at temperatures below 1000°C, depends mainly on the reactivity of solid char residue. The reactivity of the char residue is affected by temperature, partial pressures of the reactants H2O and CO2 and product gas components (H2 and CO), which are inhibiting the reactivity. In this reactiv

During recent years, many papers have been published concerning dimensioning, analysis, and control of floor heating. A central issue in all these activities is to create a suitable model, which explains the thermal behavior of the floor and its environment. The article introduces a differential-difference approach, which is believed to be new in floor heating modeling. The proposed method is applied in a slab, a semi-infinite and infinite solid, which are connected to electrical heating. The re