Investigation of the drying airflow at a newly developed dryer geometry for mixed flow grain dryers

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ID: 63924
2016
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摘要
The mixed-flow dryer has been a matter of investigation many times regarding drying efficiency, dryer control, and performance enhancement over the past years. However, there is still considerable demand for optimization in terms of energy efficiency and homogeneity of drying. In order to analyze the specific energy consumption and the homogeneity of the drying process, different thermodynamic process conditions have been investigated for the conventional MFD design using numerical and experimental methods. Based on the results obtained, a novel dryer design has been developed. With this, a considerable increase of efficiency is expected. As the fluid dynamic analysis of the first design draft revealed, further development is required until scaling-up and transfer into practice will be possible. While homogeneous airflow conditions could be demonstrated in the core flow region in the center of the dryer, the configuration must be optimized in the near wall regions.
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作者 Scaar, Holger;Weigler, Fabian;Franke, Georg;Mellmann, Jochen;
期刊 landtechnik
年份 2016
DOI
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URL
http://www.landtechnik-online.eu/ojs-2.4.5/index.php/landtechnik/article/view/3126
关键词
Technology (General) Engineering (General). Civil engineering (General) Technology Mechanical engineering and machinery Agriculture (General) environmental sciences nutrition. foods and food supply agriculture forestry biochemistry geography. anthropology. recreation environmental technology. sanitary engineering machine design and drawing

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