DENSITY MEASUREMENT DEVICE, DENSITY MEASUREMENT METHOD, AND DENSITY MEASUREMENT PROGRAM

Title:

DENSITY MEASUREMENT DEVICE, DENSITY MEASUREMENT METHOD, AND DENSITY MEASUREMENT PROGRAM

Document Type and Number:

WIPO Patent Application WO/2020/075284

Kind Code:

A1

Abstract:

The present invention is characterized by comprising a pressure estimation unit 40 for estimating estimated pressure distribution values for liquefied natural gas 21 stored in a tank 20 from the temperature distribution t0, t1, t2, …, tn of the liquefied natural gas 21 across different heights and a density estimation unit 43 for estimating the density distribution of the liquefied natural gas 21 across different heights on the basis of the temperature distribution t0, t1, t2, …, tn and the estimated pressure distribution values by referring to density information 30 associating temperatures and pressures with liquefied natural gas 21 densities.

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Inventors:

TAKASU YOICHI (JP)
KASAJIMA TAKEO (JP)
ARIOKA TAKAHIRO (JP)
UNO KAZUSHI (JP)

Application Number:

PCT/JP2018/038026

Publication Date:

April 16, 2020

Filing Date:

October 12, 2018

Export Citation:

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Assignee:

FUJITSU LTD (JP)

International Classes:

G01N9/00; F17C13/02

Foreign References:

JPS61175556A	1986-08-07
JPH10274398A	1998-10-13
JP2007032770A	2007-02-08
JPH1048115A	1998-02-20

Attorney, Agent or Firm:

KATAYAMA, Shuhei (JP)

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