Browsing by Author "Hardiman, Alfi Hamdi"

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    Desain Model Matematis Berbasis Analisis Dimensi Tentang Daya Enginetraktor Pada Pengolahan Tanah Dengan Bajak Singkal (Moldboard Plow) Dl Padang, Sumatera Barat
    (2016-01-16) Santosa; Mislaini; Alfata; Hardiman, Alfi Hamdi
    This research has been conducted in Padang City from April to September 2012. Purpose of this study is to obtain a mathematical model of engine power tractors for tillage tractors working at various speeds. This study was obtained from a mathematical model involving variable engine power of tractors on soil tillage (P, watts), soil bulk density (p, kg!m3 ), tillage depth (d, m), soil tillage speed (V, m Is), and the acceleration of gravity (g, m/s2 ) in district Pauh is : P. if I [p v' 1 = 0,5129 { If I [ g.d1 F2 • 8925 with I= 1, and mathematical models based on the tractor enginr:;ower in district Kuranji is : P. if I [p v' 1 = 0,6656 { If I [ g.d1 F "97 with I is 0,999.