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A heuristic methodology to estimate higher heating values (HHV) based on a statistic tools, in particular, hierarchical cluster analysis, is disclosed in this paper. The correlation has been studied using data available in other documents, and as test samples were used biomasses from open sources or also from previously published works. The aim is to offer another fast and simple way to access the...
In this paper we disclose two new models for the estimation of the higher heating value of refused derived fuels as an answer to the question – “Are the available models to predict the HHV of biomasses suitable to be applied with an acceptable accuracy to RDFs?”. Based on the carbon and hydrogen content the newly developed equations were used to predict, accurately, the higher heating value of 25...
Biomass residue is one of the raw materials of most interest as a source of renewable energy. There are three major types of biomasses to obtain energy: lipids, sugars/starches and cellulose/lignocellulose. The estimate of the gross calorific value (PCS), whose determination methods require long periods and are relatively expensive, is crucial in the analysis and development of bioenergy systems....
Determination of the exergy of woody biomass is the first step to evaluate and study the material characteristics, transfer processes, and utilization systems of woody biomass from exergy aspect. This study supplies an expeditious methodology for estimating the exergy of woody biomass based on studying the LHVs (lower heating values), HHVs (higher heating values), and exergy values of sixty-four woody...
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