Hirun Azaman Ismail
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Preferred name
Hirun Azaman Ismail
Official Name
Hirun Azaman, Ismail
Translated Name
H. A.
Alternative Name
Ismail, H. A.
Ismail, Hirun Azaman
Main Affiliation
Scopus Author ID
57208104489
Researcher ID
CVB-2602-2022

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  • Publication
    Drying performance evaluation of a commercial batch mixed-flow seed drying system
    ( 2020-01-01)
    Azmi M.Z.
    ;
    Rukunudin I.H.
    ;
    Hirun Azaman Ismail
    ;
    Aimi Athirah Aznan
    Information on the performance of commercial grain dryers in Malaysia especially for paddy seed drying in terms of published reports are still lacking. This study was therefore undertaken to evaluate the performance of a commercial, mixed-flow, batch type grain dryer at Loji Pemprosesan Benih Padi Sah (A) Telok Chengai, Kedah. Five type of performance indices under three different fan configurations were studied, namely drying efficiency (DE), heat utilization factor (HUF), effective heat efficiency (EHE), coefficient of performance (COP) and specific energy consumption (SEC). From the results obtained, the average values for the performance indices for the seed dryer measured as DE. HUF, EHE and COP were found to range between 0.521 to 0.596, 0.695 to 0.708, 0.477 to 0.515 and 0.292 to 0.305 respectively. Depending on the fan's configurations, the SEC values registered by the dryer ranged between 5.677 to 6.896 MJ/kg water removed. This study also showed that different performance indices are suited for different conditions of the drying. As for an instance, HUF, EHE and COP are more suited for in-field drying evaluation while DE is more suited for a comprehensive evaluation of a dryer. SEC, on the other hand provides the most comprehensible results among the methods.