Longitudinal Tension and Mechanical Stability of a Pressurized Straw Tube
by
Levan Glonti, Temur Enik, Vladimir Kekelidze, Alexander Kolesnikov, Dmitry Madigozhin *
, Natalia Molokanova, Sergey Movchan, Yuri Potrebenikov and Sergey Shkarovskiy
Levan Glonti, Temur Enik, Vladimir Kekelidze, Alexander Kolesnikov, Dmitry Madigozhin *, Natalia Molokanova, Sergey Movchan, Yuri Potrebenikov and Sergey Shkarovskiy
Joint Institute for Nuclear Research, 141980 Dubna, Russia
*
Author to whom correspondence should be addressed.
Instruments 2018, 2(4), 27; https://doi.org/10.3390/instruments2040027
Received: 23 October 2018 / Revised: 20 November 2018 / Accepted: 21 November 2018 / Published: 22 November 2018
For the development of charged particle detectors based on straw tubes operating in vacuum, a special measurement technique is required for the evaluation of their mechanical properties. A summary of the known equations that govern straw behavior under internal pressure is provided, and a new experimental method of a strained pressurized straw tube study is presented in this paper. The Poisson’s ratio of the straw wall, which defines the stability conditions of a built-in tube, was measured for the NA62 spectrometer straw, and its minimum pre-tension was estimated.
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Keywords:
straw tracker; straw tube; vacuum; pressure
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MDPI and ACS Style
Glonti, L.; Enik, T.; Kekelidze, V.; Kolesnikov, A.; Madigozhin, D.; Molokanova, N.; Movchan, S.; Potrebenikov, Y.; Shkarovskiy, S. Longitudinal Tension and Mechanical Stability of a Pressurized Straw Tube. Instruments 2018, 2, 27.
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