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Consumption, power number, and power curve characteristic of water diesel fuel emulsion mixer

机译：水柴燃料乳液混合器的消耗，功率编号和电源曲线特性

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Investigations have been done on the consumption of electric power in the process of water-diesel fuel emulsion mixing. The mixing process has been carried out using a cylindrical tube shape and has a volume of 450 ml. Emulsion fuels consist of 85%v diesel fuel and 15%v water. This emulsion fuel has a density property of 858.8 kg/m~3 and a dynamic viscosity of 0.0547 Pa.s. The mixing process was carried out at 2,000 rpm mixing speed up to 8,000 rpm at 1,000 rpm intervals. The mixer is connected to an electric motor and inverter, so the mixing speed of the mixer can be adjusted. In this research, data of electric current and electrical voltage are taken at each variation of mixing speed. The experimental data show that the higher the mixing speed, the higher the electric current needed. Thus, electricity consumption also is higher. The highest electrical power consumption is at 8,000 rpm mixer speed, while the lowest power consumption is at 2,000 rpm rotation. Non-dimensional power number (Np) analysis was also carried out in this study. By calculating the Reynold number (Re) and the electric power consumption at each rotation of the mixer, the power number curve (Np) is obtained. This curve is used to predict the power consumption of a mixer with the same impeller shape.
机译：在水柴油燃料乳液混合过程中的电力消耗进行了调查。使用圆柱形管形状进行混合过程，体积为450mL。乳液燃料由85％V柴油燃料和15％V水组成。该乳液燃料的密度特性为858.8kg / m〜3，动态粘度为0.0547Pa。将混合方法以2,000rpm的混合速度以1,000rpm的间隔含量高达8,000rpm进行。混合器连接到电动机和逆变器，因此可以调节混合器的混合速度。在该研究中，在混合速度的每个变化下截取电流和电压的数据。实验数据表明，混合速度越高，所需的电流越高。因此，电力消耗也更高。最高电力消耗量为8,000 rpm混合器速度，而最低功耗均为2,000 rpm旋转。本研究还开展了非维功率数（NP）分析。通过计算混频器的每个旋转时的雷诺数（RE）和电力消耗，获得功率数曲线（NP）。该曲线用于预测具有相同叶轮形状的混合器的功耗。

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