The addition of LNG of different densities to partially filled LNG tanks may form stratified layers, and it's consequent mixing can sometimes lead to roll-over. Although there have been some reports concerning the studies and experiments for the prevention or prediction of the stratification and roll-over, most of them were found out on the basis of test results using LNG substitutes, especially tap water and brine, because of difficult experimentation by LNG. We have gone so far as to get the marginal density difference in stratification by experimentally making it by various density difference in LNG tanks. Furthermore, we have succeeded in making clear the process of the consequent mixing of LNG through an elaborate measurement of LNG temperature and the advanced methods of sampling and analysis of stratified LNG, etc. Some of these results have proved much different from those of the previous reports. Based upon these results, we, having worked out our manual for the prevention of stratification and roll-over, now have safely received LNG with different densities in our tanks.

Media Info

  • Pagination: p. 1-14

Subject/Index Terms

Filing Info

  • Accession Number: 00322627
  • Record Type: Publication
  • Report/Paper Numbers: Paper 1, Appendix Conf Paper
  • Files: TRIS
  • Created Date: Nov 29 1980 12:00AM