COMPARISON BETWEEN SPRUCE AND BEECH BRIQUETTES (AS RENEWABLE SOURCE OF COMBUSTIBLE IN ROMANIA) FROM THE PERSPECTIVE OF PHYSICAL, MECHANICAL AND ENERGETIC PROPERTIES
2015
Cosmin SPÎRCHEZ | Aurel LUNGULEASA | Tatiana GRÎU
This paper compares briquettes made of spruce with those made of beech from theperspective of physical, mechanical and energetic features, for the purpose of making the appropriateselection from the market. The main properties being studied are briquettes' density, as a physicalfeature, resistance to perpendicular compression, as a mechanical feature necessary to determinechips' compression degree and their compression status, and the calorific value as an energeticfeature. The research findings show that coniferous tree briquettes are denser and more resistant, buthave a lower calorific value. It was also determined that briquettes compression is directly dependenton their density and consequently, briquettes' energy density remains the only property able tocollectively characterise the quality of briquettes
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