Affiliation: | 1. Department of Physics, Faculty of Science , Silpakorn University , Nakhon Pathom, Thailand;2. Department of Food Technology, Faculty of Engineering and Industrial Technology , Silpakorn University , Nakhon Pathom, Thailand;3. Department of Farm Power and Machinery , Bangladesh Agricultural University , Mymensingh, Bangladesh;4. Institute of Agricultural Engineering , Hohenheim University , Stuttgart, Germany |