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Information Journal Paper

Title

EXPERIMENTAL INVESTIGATION ON DILL DRYING IN A SOLAR-ASSISTED HEAT PUMP DRYER

Pages

  835-845

Abstract

 In this study, a solar dryer assisted with heat pump was developed and thin layer drying of dill was carried out at air temperatures of 40, 50, and 60oC and air velocities of 0.5, 1 and 1.5 ms-1. Also, the DRYING RATEs, Specific Moisture Extraction Rate (SMER), and energy consumption were evaluated. Dill samples were dried from initial moisture content of 90% to the final moisture content of 10% in 195-275 minutes without assisted heat pump, and with assisted heat pump in 80-140 minutes. By using heat pump, the DRYING RATE increased with increase in temperature at a given air velocity, thus, reducing the drying time. Increase in the air velocity at a given temperature improved the DRYING RATE. By increasing the air velocity from 0.5 to 1.5 m s-1, drying time decreased up to 42%. The specific moisture extraction rate values were found to vary between 0.078 and 0.18 Kg Kw-1 h-1. The minimum value of energy consumption was 3312 kJ at air temperature of 60ºC and air velocity of 1.5 m s-1. Also, the total energy consumption of dryer with heat pump was reduced by 19%, which reflects the higher ENERGY EFFICIENCY.

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    Cite

    APA: Copy

    JAFARIAN, H., TABATABAEI KOLOUR, R., & MOUSAVI SEYEDI, S.R.. (2017). EXPERIMENTAL INVESTIGATION ON DILL DRYING IN A SOLAR-ASSISTED HEAT PUMP DRYER. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 19(5), 835-845. SID. https://sid.ir/paper/62548/en

    Vancouver: Copy

    JAFARIAN H., TABATABAEI KOLOUR R., MOUSAVI SEYEDI S.R.. EXPERIMENTAL INVESTIGATION ON DILL DRYING IN A SOLAR-ASSISTED HEAT PUMP DRYER. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2017;19(5):835-845. Available from: https://sid.ir/paper/62548/en

    IEEE: Copy

    H. JAFARIAN, R. TABATABAEI KOLOUR, and S.R. MOUSAVI SEYEDI, “EXPERIMENTAL INVESTIGATION ON DILL DRYING IN A SOLAR-ASSISTED HEAT PUMP DRYER,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 19, no. 5, pp. 835–845, 2017, [Online]. Available: https://sid.ir/paper/62548/en

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