- 1 Oct. 2021
The pages of "Densimeter and mass flow rate meter for slush hydrogen",
"Pool boiling heat transfer to slush hydrogen and slush nitrogen"
and "Two-phase boiling nitrogen flow and heat transfer" were
revised.
- 8-10 Dec. 2020
Dr. Ohira gave the poster exhibition as a fellow of CSSJ on “Practical
research and its results of the high-efficiency hydrogen energy system
using slush hydrogen” at CSSJ Conference.
- 15 Sep. 2019
The interview report on 19 Aug. was published in the monthly magazine "Yano
E plus, No. 138" of Yano Research Institute Ltd.
- 19 Aug. 2019
Yano Research Institute Ltd. interviewed us to get the information about
our research work of cryogenic refrigerator.
The content of interview: Our experimental verification of the world's first hydrogen liquefaction
by magnetic refrigeration, and our research and development work of the high-efficiency hydrogen
energy system using slush hydrogen.
- 9 Apr. 2019
Dr. Ohira gave the lecture on “Flow and heat transfer characteristics of
slush nitrogen and slush hydrogen, and their applications to energy systems”
at the 1st technical seminar 2019 of Institute of Cryogenic Engineering
promoted by Cryogenics and Superconductivity Society of Japan.
- 15 Nov. 2018
Dr. Ohira gave the lecture on “The forefront research of flow and heat
transfer characteristics of cryogenic multiphase flow, and the trend of
hydrogen energy utilization” at Nikko technical seminar 2018 "Optimization
technology of cryogenic fluid instrumentation and control" promoted
by Japan Industrial Publishing Co., LTD.
- 28 Feb. 2018
Web site "Pressure Drop Reduction and Heat Transfer Deterioration
of Slush Nitrogen" was open in Japanese and English.
- 5 Jan. 2018
Web site "The World's First Hydrogen Liquefaction by Magnetic Refrigeration"
was open in Japanese and English.
- 25 Sept. 2017
Home page “Institute of Slush Hydrogen” was open in English.
- 14 Aug. 2017
Home page “Institute of Slush Hydrogen” was open in Japanese.
- 19 Jun. 2017
Dr. Ohira attended “JAXA-Tokyo Univ. collaborative research meeting on
rocket propellant and reactive thermal flow”.
- 29 May 2017
Dr. Ohira attended as an expert of liquid hydrogen technology “Meeting
on safety standards for high-pressure hydrogen gas pressurized by a liquid
hydrogen pump” and “Working group for leakage experiment and numerical
simulation of high-pressure liquid hydrogen”.
- 22 May 2017
Dr. Ohira gave the presentation on “Pressure drop and heat transfer characteristics
of boiling nitrogen in a horizontal inverted triangular pipe flow” at CSSJ
Conference.
- 21 Apr. 2017
Dr. Ohira gave the invited lecture on “Study of flow and heat transfer
characteristics of cryogenic multiphase flow in development of cryogenic
equipment” at Tohoku and Hokkaido Branch Conference of CSSJ.
- 1 Apr. 2017
Article on “Development of a high-efficiency hydrogen storage system using
liquid and slush hydrogen” was published in Chemical Engineering Vol. 62
(2017) No. 4, 19-26. (in Japanese)
- Jan. 2017
Original research paper on “Pressure-drop reduction and heat-transfer deterioration
of slush nitrogen in triangular and circular pipe flows” was published
in Cryogenics Vol. 81 (2017) No. 1, 60-75.
- 1 Dec. 2016
Dr. Ohira attended as an expert of liquid hydrogen technology “Meeting
on safety standards for high-pressure hydrogen gas pressurized by a liquid
hydrogen pump” and “Working group for leakage experiments and numerical
simulations of high-pressure liquid hydrogen”.
- 31 Oct. 2016
Dr. Ohira attended as an expert of liquid hydrogen technology “Meeting
on safety standards for high-pressure hydrogen gas pressurized by a liquid
hydrogen pump” and “Working group for leakage experiments and numerical
simulations of high-pressure liquid hydrogen” (contracted-out work from
NEDO to JIMGA).
- 1 Jun. 2016
Dr. Ohira gave the presentation on “Pressure drop of vapor-liquid two-phase
nitrogen flow in an unheated horizontal circular pipe” at CSSJ Conference.
- 31 May 2016
Cryogenics and Superconductivity Society of Japan (CSSJ) awarded the certificate
of Fellow to Dr. Ohira.
- May 2016
Institute of Slush Hydrogen (ISH) was established.
