Large cryogenic containments for a liquefied natural gas (LNG) should be joined to the inner hull of a ship with the consideration of minimum heat inflow because the large temperature difference between the LNG cargo containment and the inner hull can induce considerable heat flux through the joined area. In this work, a hybrid composite anchor composed of two stainless caps and glass fiber composite body was developed considering the strength, thermal stress and heat loss of the anchor. The stainless steel caps were adhesively bonded to the top and bottom caps of glass composite body. Then the top stainless cap was welded to the stainless steel membrane and the flange of bottom stainless steel cap was joined to the inner hull of a ship with bolts. Since the welding heat through the top stainless cap might degrade the adhesive joint between the top stainless cap and the glass fiber body, the welding effect on the adhesively bonded joint strength was investigated. Finally, the optimal design for the hybrid anchor was suggested.
Design of a hybrid glass composite anchor for LNG cargo containment systems
Gestaltung einer Hybrid-Glasfaserverbundwerkstoff-Verankerung für Flüssiggasladetank-Systeme
2008
8 Seiten, 9 Bilder, 1 Tabelle, 4 Quellen
Aufsatz (Konferenz)
Englisch