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D-2 acceleration characterization

机译：D-2加速特性

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Abstract: During the second German Spacelab Mission D-2, extensive onboard measurements of the residual acceleration were performed. The payload was equipped with accelerometer packages distributed over the entire Spacelab module. The microgravity measurement assembly (MMA) was the core system comprising fixed mounted as well as mobile sensor packages. Additional autonomous accelerometer systems were mounted within the payload elements MEDEA and Werkstofflabor. On-board video recording has been performed to correlate the measured accelerations to mission events. The D-2 microgravity characterization program also included numerical calculations to predict low frequency effects due to atmospheric drag, tidal force, and spacecraft rotation. Results of characteristic quiet mission phases show that the microgravity level is essentially below the requirements defined for the space station. Other results of some other mission phases revealed that a wealth can be done by improving payload design and operation to improve the microgravity quality of Spacelab missions. !9
机译：摘要：在第二次德国太空实验室D-2任务期间，对机载剩余加速度进行了广泛的测量。有效载荷配备了分布在整个Spacelab模块上的加速度计套件。微重力测量组件（MMA）是核心系统，包括固定安装和移动传感器包装。额外的自主加速度计系统安装在有效载荷元件MEDEA和Werkstofflabor中。车载视频记录已执行，以将测得的加速度与任务事件相关联。 D-2微重力表征程序还包括数值计算，以预测由于大气阻力，潮汐力和航天器旋转而引起的低频影响。典型的安静任务阶段的结果表明，微重力水平基本上低于为空间站定义的要求。某些其他任务阶段的其他结果表明，可以通过改进有效载荷设计和操作来提高Spacelab任务的微重力质量来实现财富。 ！9

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