Mechanical and Thermal Tests of the Containers of Liquid Mirrors

Details Mechanical and Thermal Tests of the Containers of Liquid Mirrors Mechanical and Thermal Tests of the Containers of Liquid Mirrors

2004-03-25

arxiv.org/abs/astro-ph/0403605v1

Exper.Astron. 15 (2003) 147-169

Astronomy and Astrophysics

Astrophysics

Experimental Astronomy In Press

Scientific paper

10.1023/B:EXPA.0000038606.61377.

We give a generic description of a liquid mirror system and summarize some practical information useful to making them. We compare laboratory measurements of deformations, due to the weight of mercury on the container of a 3.7-m mirror and to temperature changes on a 1-m container, to finite element computer simulations. We find that the measurements agree reasonably well with the numerical simulations. The measurements on the 1-m container show no evidence of fatigue after a few thermal cycles. These results validate the computer models of containers described in a companion article.

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