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Experimental Evaluation and Modeling of Condensate Effects in Dryer Cylinders

机译：烘干机缸内冷凝物效应的实验评价与建模

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The presence of condensate in dryer cylinders during the start up produces an important increase of the required torque and power that adversely affects the drive and mechanical components of the drive train. The paper presents a complete evaluation of the condensate effects in an experimental setup with a 380 mm diameter cylinder, during operation without and with spoiler bars, and covering from 1% up to 30% of condensate load, and up to 500 rpm. Sets of pictures showing the condensate profile are reported and used to calculate the required power to maintain the condensate distribution. In addition, using values reported for a 1500 mm diameter production dryer cylinder, a complete set of adimensional correlations are developed that allows the calculation of the power in a speed range from 50 m/min to 1200 m/min, and from 0.2% to 3.4% of condensate content. Results are of interest for those related to the drive rating, as well as for the estimation of condensate content from power readings.
机译：在启动期间，在烘干机缸中的凝结水的存在产生了不利地影响驱动系的驱动和机械部件的所需扭矩和功率的重要增加。本文在运行期间，在没有和扰流杆的操作期间，在使用380mm直径的圆柱体的实验装置中完全评估了380毫米圆柱体，覆盖高达30％的冷凝水负荷，最高可达500rpm。据报道显示冷凝物型材的图片集并用于计算所需的电力以保持冷凝物分布。此外，使用报告的值为1500 mm直径的生产烘干机缸，开发了一整套的相应相关性，允许从50米/分钟到1200米/分钟的速度范围的功率计算，从0.2％到0.2％ 3.4％的冷凝水含量。结果对与驱动额定值有关的结果，以及从电力读数估计冷凝物内容。

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