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Experimental evaluation and modeling of condensate effects in dryer cylinders

机译：干燥筒中凝结水效果的实验评估和建模

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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 a dimensional 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：在启动过程中，干燥缸中冷凝水的存在会导致所需扭矩和功率的大量增加，从而对传动系统的驱动和机械组件产生不利影响。本文介绍了在直径为380 mm的圆柱体的实验装置中冷凝水效果的完整评估，该试验在不使用扰流板的情况下进行，并且覆盖了1％至30％的冷凝水负荷，最高转速为500 rpm。报告显示凝结水分布图的图片集，并用于计算维持凝结水分布所需的功率。此外，使用报告的直径为1500 mm的生产干燥筒的值，可以开发出一套完整的尺寸相关性，从而可以在50 m / min至1200 m / min的速度范围内以及0.2％的速度范围内计算功率。冷凝水含量的3.4％。对于与驱动器额定值有关的结果以及从功率读数中得出的冷凝物含量的估算，结果是有意义的。

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