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Abstract - Issue Sep 2017, 38 (5) Back
nstantaneous and historical temperature effects on a-pinene
of the energy, mass flow and temperature parameters in combustion systems of
agricultural biomass residues
Unal1 and A. Kara2
Biosystems Engineering, Faculty of Agriculture, University of Uludag,
Nilufer,Bursa, 16059, Turkey
Chemistry, Faculty of Arts and Science, University of Uludag, Nilufer, Bursa,
Author E-mail: firstname.lastname@example.org
Paper received :
10.09.2016 Revised received :
29.05.2017 Accepted : 28.06.2017
Aim: This study was
carried out to determine the energy, mass flow and temperature computations
of agricultural biomass.
feasibility of the technique which enable to formulate a balanced chemical
equation using the parameters of biomass moisture content and excess air
utilized in combustion was determined for agricultural biomass residues (corn
cob and hazelnut shell). The chimney gas composition was calculated assuming
that carbon dioxide and water were completely consumed. The combustion
temperature was obtained with an energy balance.
of the error value of corn cob was negative, accepted combustion heat of this
fuel was determined high (1400°K) and concluded. It should have
been reduced down to feasible value of this temperature. On the other hand,
because of the error value for hazelnut shell was positive, raising the
combustion heat is recommended. Feasible combustion heats for corn cob and
hazelnut shell were 1389°K and 1437°K, respectively.
While heat of combustion of corn cob in dry basis was 1436°K for
excess air parameter 1.0, the heat of combustion in 0.5 moisture level was
1132°K with 27% reduction. The hazelnut shell combustion heat was
also determined as 1205°K with about 23% reduction. The net heats
of combustion of corn cob and hazelnut shells in wet basis were determined as
13,109 and 15,775 kJ kg-1, respectively.
Interpretation: The biomass
moisture, excess air and heat losses from system were in accordance with each
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