The effect of packed bed porous burner on drying kinetics of nile tilapia

12th TSAE International Conference

Waramit, P.^1 ; Namkhat, A.^1 ; Teeboonma, U.^1

Department of Mechanical Engineering, Faculty of Engineering, Ubon Ratchathani University, Warin Chamrap District, Ubon Ratchathani Province, Thailand^1

关键词: Air velocities;    Drying energy consumption;    Drying kinetic;    Drying temperature;    Moisture ratios;    Porous burners;    Specific energy consumption;    Thermal efficiency;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/301/1/012047/pdf
DOI  :  10.1088/1755-1315/301/1/012047

来源: IOP

【 摘 要 】

This paper aimed to study the effect of packed bed porous burner on drying kinetics of Nile tilapia. Drying kinetics were represented in form of drying rate (DR), drying specific energy consumption (SEC) and the dryer thermal efficiency (ηth). The pebbles were used as packed bed porous media having porosities of 0.31, 0.36 and 0.37, drying air velocities of 0.5, 1.0 and 1.5 m/s. and drying temperatures of 50, 60 and 70°C, respectively. The results showed that the application of packed bed porous burner as heat source could improve the drying kinetics. Which the porosity of 0.37, drying temperature of 70°C and air velocity of 1.5 m/s, the moisture ratio of the drying decreased rapidly, the highest drying rate was 220.43 g (water evap.)/hr., the lowest drying energy consumption was 141.35 MJ/kg (water evap.) and the thermal efficiency of the dryer increased by 23.91%.