Energy and exergy analysis in solar drying of pistachio with air recycling system

作者: Mohsen Mokhtarian , Hamid Tavakolipour , Ahmad Kalbasi-Ashtari

DOI: 10.1080/07373937.2015.1129499

关键词: Ambient airPressure dropSolar dryingWater contentExergyEnthalpyUtilization ratioChemistryThermalEnvironmental engineering

摘要: ABSTRACTA solar drier with and without air recycling (Methods I II) along a sun drying system (Method III) were used to reduce the moisture content of pistachio from 40 ∼5% (wet basis) at similar weight conditions. Although ΔT’s ambient in Methods II reached, respectively, 18 14°C, it did not increase more than 2°C Method III. The obtained ∼55% enthalpy its collectors transferred ∼35% heating energy product one II. Consequently it’s thermal pickup efficiencies became, 80% highest exergy equal each other (∼95%), maximum loss was higher due temperature pressure (because continuous circulation). utilization ratio rate were, 30% 20% III, d...

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