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Production and characterization of coffee-pine wood residue briquettes as an alternative fuel for local firing systems in Brazil
(Elsevier, 2019-02-26)
In this work, the production viability, physical, chemical and mechanical properties of briquettes produced from mixtures of coffee shrub residues and pinewood, were evaluated. The densification was carried out under ...
Biomass-based carbon capture and utilization in kraft pulp mills
(Springer Netherlands, 2019-01-04)
Corporate image, European Emission Trading System and Environmental Regulations, encourage pulp industry to reduce carbon dioxide (CO2) emissions. Kraft pulp mills produce CO2 mainly in combustion processes. The largest ...
Shell-and-tube heat exchanger optimization - impact of problem formulation and cost function
(HEFAT, 2019-07-22)
The design optimization of shell-and-tube heat exchangers (STHEs) is studied.Impact of using standard lengths and shell diameters is investigated, and two types of cost function are compared: a simple area-based correlation ...
A comparison of turbulence models and two and three dimensional meshes for unsteady CFD ash deposition tools
(Elsevier, 2019)
This work aims to assess the adequacy of the often made two dimensional mesh simplification in ash deposition models. Little information is available regarding its validity due to the heavy computational costs that a proper ...