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Design and fabrication of a tractor powered leaves collector machine equipped with suction-blower system CIGR Journal
Azadbakht, Mohsen; Kiapey, Ali; Jafari, Ali.
Leaves scattered on the parks, passages, and other places have a detrimental effect on the beauty of the environment, and decrease photosynthesis, hence, the efficiency of plants.  Leaves are also used in the production of peat.  This makes using leaves collectors in parks, and organizations with a green space useful.  Due to the fact that leaves take up a high volume, their transportation is difficult.  Using the machine introduced in this paper which was equipped with a suction-blower system, increases efficiency, and at the same time decreases the costs of green space, and their workforce cost.  Focusing on overcoming the mentioned difficulties, this study was carried out in order to design and produce a tractor powered leaves collector equipped with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Leaves collector; Blower system; Suction system; Design; Power; Tractor.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2850
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Prediction Of Lateral Force In An Off-Road Tire As A Function Of Seven Variables Using Response Surface Methodology (RSM) CIGR Journal
Abdolmaleki, Hamid; Jafari, Ali; Mousazadeh, Hossein; Hajiahmad, Ali.
In this study an in-situ Single Wheel Tester (iSWT) was used to investigate the effect of some of the most important independent variables on the lateral force of a high lug agricultural tire. The variables include some soil parameters and tire characteristics. Response Surface Methodology (RSM) also was used to construct a design of experiment and propose the lateral force model as a function of seven variables (various combination treatments of soil characteristics and tire parameters). A total of 152 experimental tests were conducted to find appropriate model. Reduced form of a quadratic model was selected to predict the tire lateral force (R2 > 0.9). The results show that the side slip angle and moisture content had major and minimal effect on tire...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Response surface methodology; Single wheel tester; Side slip angle; Normal load; Drawbar pull; Moisture content; Tire inflation pressure.
Ano: 2018 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4776
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