SYMPOSIA PAPER Published: 01 January 1985

Evaluation of Thermal Conductance of Liquefied Natural Gas Tank Insulation


The activities in testing of liquefied natural gas (LNG) insulation of The Division of Refrigeration Engineering at the University in Trondheim were initiated by the need for a satisfactory insulation system for the spherical tank LNG carriers of Moss Rosenberg Verft. A large scale guarded hot plate apparatus has been built, with test area 2 by 3 m2. The temperature on the cold plate may be 0 to –162°C, and on the warm plate 30 to –30°C. Measurements may be made in horizontal convection-free mode, and in vertical convection mode.

A load-bearing evacuated insulation may be a possible solution in the efforts to reduce the boil-off of the tank content. A heat flow meter apparatus for testing evacuated insulations under load has been built, with diameter of the specimen 400 mm, and thickness up to 100 mm.

Author Information

Brendeng, E
The Norwegian Institute of Technology, Trondheim, Norway
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Developed by Committee: C16
Pages: 86–97
DOI: 10.1520/STP32901S
ISBN-EB: 978-0-8031-4944-1
ISBN-13: 978-0-8031-0423-5