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Electrohydrodynamic drying of kiwi (Actinidia Chinensis) slices CIGR Journal
Rezaee, F.; Esehaghbeygi, Ali; Mirhosseini, M.; Alemrajabi, A. A..
Electrohydrodynamic (EHD) enhanced drying of kiwi slices using multiple point-to-plate electrode arrangements under a DC voltage was carried out in an experiment to compare with those of oven drying at 60 ºC and ambient-air at 25 ºC. The EHD was run at high electric field of 375 V mm-1 using thirteen ionizing needles to a plate electrode. The effects compared included drying rate, temperature, energy consumption, color, and shrinkage. Samples dried by the EHD and oven showed nearly the same values of moisture content whereas that of the air-dried sample was 3.5 times higher at the end of a 7-hour drying. The sample subjected to EHD preserved the same temperature during the drying. Compared with oven drying, EHD’s energy consumption was negligible. EHD and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: EHD; Non-thermal; Drying rate; Color.
Ano: 2020 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5036
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Draft force requirements of a dual bent blade subsurface tillage implement CIGR Journal
Salar, Mahmood Reza; Esehaghbeygi, Ali; Hemmat, Abbas; Kargarpour, Hoda.
Decreasing draft force of tillage tools is always one of the important concepts in tillage operation.  According to structure properties of bent leg, in this research, two upward and backward dual bent blade subsurface tools with two rake angles of 7.5 and 15 degree and two bend angles of 10 and 20 degree were developed and draft force, soil disturbance area and specific draft were compared in two soil moisture content levels of 0.7 and 0.9 of plastic limit (PL).  The effect of soil moisture content was not significant on any of the measured variables.  The draft force of the subsurface tools was increased with increasing rake and bend angles of blade.  The least mean of draft force was achieved in forward dual bent blade subsurface tool with bend angle of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rake angle; Bent blade; Subsurface tillage; Soil disturbance area; Dual bent blade.
Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3599
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