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| Title: | Specific Mechanical Energy Requirement of a Locally Developed Extruder for Selected Starchy Crops |
| Authors: | Fayose, Folasayo |
| Keywords: | extrusion variables
cassava
maize
wheat flour
specific mechanical energy |
| Issue Date: | 1-Sep-2014 |
| Publisher: | Japanese Society for Food Science and Technology |
| Citation: | Specific Mechanical Energy Requirement of a Locally Developed Extruder for the Processing of Selected Starchy Crops, Food Science and Technology Research Vol. 20(4): 793-798. |
| Series/Report no.: | Food Science and Technology Research;Vol. 20(4): 793-798. |
| Abstract: | In this study, the specific mechanical energy (SME) response of a dry type single screw extruder (Length to
Diameter ratio (L/D) 12:1, Compression Ratio (CR) 4.5:1) developed locally was investigated for maize, cassava and
wheat flour processing. The study was necessitated by the need to provide management data for the preliminary
studies of the extruder A factorial experiment in completely randomized design was employed to study the effect
of extrusion variables: feed moisture (25 _ 50%), extruder temperature built up by varying the duration of
sampling (2 _ 30 min) and screw speed (100, 150, 200 rpm) on SME. The study revealed that SME varied directly
with duration of operation for cassava products and inversely with duration of operation for all maize and wheat
products. SME increased with increasing speed from 100 to 150 rpm but decreased at 200 rpm. SME increased with
increase in moisture content from 25 to 40%. |
| Description: | Sufficient availability of the right
energy and its effective and efficient use are prerequisites for improved agricultural production. In this study, the specific mechanical energy (SME) response of a dry type single screw extruder (Length to
Diameter ratio (L/D) 12:1, Compression Ratio (CR) 4.5:1) developed locally was investigated for maize, cassava and
wheat flour processing. The study was necessitated by the need to provide management data for the preliminary
studies of the extruder |
| URI: | http://repository.fuoye.edu.ng/handle/123456789/904 |
| ISSN: | 1344-6606 |
| Appears in Collections: | Agricultural and Bioresource Engineering Course Outline
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