Design of 2-M to 6-M Liquid Mirror Containers |
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| Authors: | Robert Content |
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| Institution: | (1) Astronomical Instrumentation Group, Department of Physics, University of Durham, South Road, Durham, DH1 3LE, UK |
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| Abstract: | A new design is proposed for large (up to 6-m) liquid mirror containers. The design uses Kevlar, foam and aluminum, as in
previous designs, but with a different configuration that makes the container lighter, stronger and more rigid. The results
of finite element analysis are presented, consisting in the deformations due to temperature changes and to weight, and in
the security factor for each material when maximum constraints are applied. Tilt rigidity is also analyzed. They show that
the composite material construction technique gives a good performance up to 6 m diameters. The figures and tables contained
in this paper can be used as recipes to build containers having diameters between 2 and 6 m.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | instrumentation liquid mirrors telescopes |
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