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首页> 外文期刊>Measurement Science & Technology >A thrust balance for low power hollow cathode thrusters
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A thrust balance for low power hollow cathode thrusters

机译：小功率空心阴极推进器的推力平衡

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A hanging thrust balance has been designed, manufactured and tested at the University of Southampton. The current design allows for direct steady thrust measurements ranging from 0.1 to 3 mN but this can be easily extended to measure thrust in a different range. Moreover the chosen balance design and the thrust measurement procedure allow for the cancellation of thermal drifts. The thrust balance was tested with a T6 hollow cathode thruster providing measurements with an uncertainty of about 9.7%. The thrust data were compared to those obtained with another direct thrust balance and they are in quantitative agreement--the maximum difference being only 6%.
机译：悬挂式天平已经在南安普敦大学设计，制造和测试。当前的设计允许直接稳定推力测量，范围从0.1到3 mN，但这可以轻松扩展以测量不同范围内的推力。此外，选择的天平设计和推力测量程序可消除热漂移。用T6空心阴极推进器测试了推力平衡，该测量结果的不确定度约为9.7％。将推力数据与通过另一个直接推力天平获得的推力数据进行了比较，它们在数量上吻合-最大差异仅为6％。

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