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Research Output 1984 2019

2019
Vapor pressure
Isochores
Density of liquids
Density of gases
Liquids
2018
1 Citation (Scopus)

Development of the equation of state for HCFO-1224yd(Z): Detailed and extensive evaluation of the current equation and outlook for a new equation

Akasaka, R., Higashi, Y. & Koyama, S., Jan 1 2018, In : Refrigeration Science and Technology. Part F147651, p. 218-223 6 p.

Research output: Contribution to journalConference article

Equations of state
equations of state
evaluation
Vapor pressure
Temperature
1 Citation (Scopus)
Isochores
Refrigerants
Equations of state
Temperature
8 Citations (Scopus)

Measurements of Saturation Pressures for Trifluoroethene (R1123) and 3,3,3-Trifluoropropene (R1243zf)

Higashi, Y., Sakoda, N., Islam, M. A., Takata, Y., Koyama, S. & Akasaka, R., Feb 8 2018, In : Journal of Chemical and Engineering Data. 63, 2, p. 417-421 5 p.

Research output: Contribution to journalArticle

Refrigerants
Quartz
Pressure transducers
Thermometers
Global warming

Surface Tension Measurement for a New Low-GWP Refrigerant HFO-1123 by a Differential Capillary Rise Method

Kondou, C. & Higashi, Y., Dec 1 2018, In : 日本冷凍空調学会論文集. 35, 4, p. 404-408 6 p.

Research output: Contribution to journalArticle

refrigerants
interfacial tension
critical temperature
temperature

Surface tension measurement for low GWP refrigerants HFO-1123 and HCFO-1224yd(z)

Kondou, C. & Higashi, Y., Jan 1 2018, In : Refrigeration Science and Technology. Part F147651, p. 178-186 9 p.

Research output: Contribution to journalConference article

refrigerants
Refrigerants
Surface tension
interfacial tension
liquid-vapor interfaces
2 Citations (Scopus)

Surface tension measurement of low GWP refrigernat mixture HFO-1123/HFC-32

Kondou, C., Matsuzono, T., Tsuyashima, T. & Higashi, Y., Jan 1 2018.

Research output: Contribution to conferencePaper

Surface tension
interfacial tension
global warming
refrigerants
Global warming
2017
5 Citations (Scopus)

Gaseous PVT Property Measurements of cis-1,3,3,3-Tetrafluoropropene

Sakoda, N., Shiheng, J., Kohno, M., Koyama, S., Higashi, Y. & Takata, Y., Jul 13 2017, In : Journal of Chemical and Engineering Data. 62, 7, p. 2178-2182 5 p.

Research output: Contribution to journalArticle

Vapor pressure
Pressure measurement
Equations of state
Temperature measurement
Phase equilibria
2016
2 Citations (Scopus)

Low-GWP refrigerants

Brown, J. S., Zilio, C., Akasaka, R. & Higashi, Y., Nov 16 2016, In : Science and Technology for the Built Environment. 22, 8, p. 1075-1076 2 p.

Research output: Contribution to journalEditorial

Refrigerants
6 Citations (Scopus)
Thermodynamic properties
Isochores
Density of liquids
Temperature
Density of gases

2成分系混合作動流体 R 245fa + R 134a 系の熱力学的性質の測定:-第1報:気液共存曲線および臨界軌跡の測定-

Translated title of the contribution: Measurements of Thermodynamic Properties for the Binary R 245fa + R 134a Mixture:- 1st Report: Measurements of Vapor-liquid Coexistence Curve and Critical Locus -東之弘, 2016, In : 日本冷凍空調学会論文集. 0, 0

Research output: Contribution to journalArticle

loci
thermodynamic properties
vapors
curves
liquids

2成分系混合作動流体 R 245fa + R 134a 系の熱力学的性質の測定:-第2報:<i>PρTx </i>性質および臨界圧力の測定-

Translated title of the contribution: Measurements of Thermodynamic Properties for the Binary R 245fa + R 134a Mixture:- 2nd Report: Measurements of <i>PρTx</i> Properties and Critical Pressure -東之弘 & 赤坂亮, 2016, In : 日本冷凍空調学会論文集. 0, 0

Research output: Contribution to journalArticle

critical pressure
thermodynamic properties
liquid-vapor equilibrium
loci
temperature
2015
30 Citations (Scopus)

Measurements of PρT properties, vapor pressures, saturated densities, and critical parameters for R 1234ze(Z) and R 245fa

Higashi, Y., Hayasaka, S., Shirai, C. & Akasaka, R., Jan 1 2015, In : International Journal of Refrigeration. 52, p. 100-108 9 p., 2937.

Research output: Contribution to journalArticle

Vapor pressure
Temperature scales
Density of liquids
Density of gases
Pressure transducers

Surface tension of low GWP refrigerants R1234ze(Z) and R1233zd(E)

Kondou, C., Nagata, R., Nii, N., Koyama, S. & Higashi, Y., 2015, 24th IIR International Congress of Refrigeration, ICR 2015. International Institute of Refrigeration, p. 538-545 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

refrigerants
Refrigerants
Surface tension
interfacial tension
Temperature
34 Citations (Scopus)

Surface tension of low GWP refrigerants R1243zf, R1234ze(Z), and R1233zd(E)

Kondou, C., Nagata, R., Nii, N., Koyama, S. & Higashi, Y., May 2015, In : International Journal of Refrigeration. 53, p. 80-89 10 p., 2959.

Research output: Contribution to journalArticle

Refrigerants
Surface tension
12 Citations (Scopus)
Thermodynamic properties
Fluids
Phase equilibria
Temperature
1 Citation (Scopus)
Spark plasma sintering
Electric contacts
Joining
Plate metal
Electrodes
1 Citation (Scopus)
Spark plasma sintering
Sintering
Joining
Powders
Temperature

Thermophysical property measurements for R1234yf + R1234ze(E) mixture

Higashi, Y., Jan 1 2015, 24th IIR International Congress of Refrigeration, ICR 2015. International Institute of Refrigeration, p. 530-537 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

thermophysical properties
Thermodynamic properties
Density of liquids
Density of gases
Refrigerants

放電プラズマ焼結法により作製された積層型FeSi<sub>2</sub>熱電変換モジュールの熱電変換特性

Translated title of the contribution: Thermoelectric Properties of layered FeSi<sub>2</sub> Thermoelectric Conversion Module Produced by Spark Plasma Sintering Method鈴木裕宣, 東之弘 & 安野拓也, 2015, In : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 62, 9, p. 457-461 5 p.

Research output: Contribution to journalArticle

Spark plasma sintering
Sintering
Joining
Powders
Temperature

放電プラズマ焼結法により焼結・接合したAg層を有するFeSi<sub>2</sub>熱電変換モジュールの熱電変換特性

Translated title of the contribution: Thermoelectric Properties of FeSi<sub>2</sub> Thermoelectric Conversion Modules Sintered with Ag Joint Plates by Spark Plasma Sintering Method鈴木裕宣, 藁谷真也, 東之弘, 髙澤勇輝 & 安野拓也, 2015, In : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 62, 6, p. 313-317 5 p.

Research output: Contribution to journalArticle

Spark plasma sintering
Electric contacts
Joining
Plate metal
Electrodes
2014
40 Citations (Scopus)

A fundamental equation of state for cis-1,3,3,3-tetrafluoropropene (R-1234ze(Z))

Akasaka, R., Higashi, Y., Miyara, A. & Koyama, S., Jan 1 2014, In : International Journal of Refrigeration. 44, p. 168-176 9 p.

Research output: Contribution to journalArticle

Equations of state
Vapors
Vapor pressure
Acoustic waves
Density of liquids
1 Citation (Scopus)

Measurements of vapor pressures and critical parameters for 1,1,1,3,3-pentafluoropropane (R 245fa)

Higashi, Y. & Akasaka, R., Jan 1 2014.

Research output: Contribution to conferencePaper

Vapor pressure
vapor pressure
pressure measurement
Pressure measurement
Japan
2013
21 Citations (Scopus)
Binary mixtures
Density (specific gravity)
Vapors
Liquids
Chemical analysis
19 Citations (Scopus)
Surface tension
Temperature
Fluids
difluoromethane
1,3,3,3-tetrafluoropropene
2011

HFO-1234yfの気相域におけるPpT性質

Translated title of the contribution: PpT Property for HFO-1234yf in the Gaseous Phase田中勝之 & 東之弘, Mar 31 2011, In : 日本冷凍空調学会論文集. 28, 1, p. 51-61 11 p.

Research output: Contribution to journalArticle

HFO-1234ze(E)+HFC-32混合冷媒のPρTχ性質の測定

Translated title of the contribution: PρTχ Property Measurements of Binary HFO-1234ze(E)+HFC-32 Refrigerant Mixtures小林恵三, 田中勝之 & 東之弘, Dec 31 2011, In : 日本冷凍空調学会論文集. 28, 4, p. 415-426 12 p.

Research output: Contribution to journalArticle

refrigerants
critical pressure
liquid-vapor equilibrium
pressure sensors
vessels

HFO-1234ze(E)+HFC-32混合冷媒の密度および定圧比熱の測定

Translated title of the contribution: Measurements of Density and Isobaric Specific Heat Capacity for HFO-1234ze(E)+HFC-32 Mixtures田中勝之, 赤坂亮 & 東之弘, Dec 31 2011, In : 日本冷凍空調学会論文集. 28, 4, p. 427-434 8 p.

Research output: Contribution to journalArticle

HFO-1234ze(E)+HFC-32 混合冷媒の密度および定圧比熱の測定

Translated title of the contribution: Measurements of Density and Isobaric Specific Heat Capacity for HFO-1234ze(E)+HFC-32 Mixtures田中勝之, 赤坂亮 & 東之弘, 2011, In : 日本冷凍空調学会論文集. 28, 4, p. 427-434 8 p.

Research output: Contribution to journalArticle

specific heat
calorimeters
liquids
bubbles
temperature

オレフィン系冷媒R 1234yfおよびR 1234ze(E)の熱力学性質に関する研究動向

Translated title of the contribution: A Review of Study on Thermodynamic Properties of Hydrofluoroolefin Refrigerants R 1234yf and R 1234ze(E)赤坂亮, 粥川洋平, 田中勝之 & 東之弘, Mar 31 2011, In : 日本冷凍空調学会論文集. 28, 1, p. 1-17 17 p.

Research output: Contribution to journalArticle

オレフィン系冷媒R 1234yf およびR 1234ze(E) の熱力学性質に関する研究動向

Translated title of the contribution: A Review of Study on Thermodynamic Properties of Hydrofluoroolefin Refrigerants R 1234yf and R 1234ze(E)赤坂亮, 粥川洋平, 田中勝之 & 東之弘, 2011, In : 日本冷凍空調学会論文集. 28, 1, p. 1-17 17 p.

Research output: Contribution to journalArticle

Refrigerants
Equations of state
Thermodynamic properties
Density of gases
Acoustic wave velocity

冷媒の変遷と将来: 性能重視から環境重視への選択肢へ

Translated title of the contribution: Future Trends of the Next-generation Refrigerant: from Performance Priority to Environment Priority東之弘, Feb 15 2011, In : 冷凍. 86, 1000, p. 94-99 6 p.

Research output: Contribution to journalArticle

2010
53 Citations (Scopus)

Critical parameters and saturated densities in the critical region for trans -1,3,3,3-Tetrafluoropropene (HFO-1234ze(E))

Higashi, Y., Tanaka, K. & Ichikawa, T., Apr 8 2010, In : Journal of Chemical and Engineering Data. 55, 4, p. 1594-1597 4 p.

Research output: Contribution to journalArticle

Density of liquids
Density of gases
Vapor pressure
Temperature
1,3,3,3-tetrafluoropropene
40 Citations (Scopus)

Measurements of the isobaric specific heat capacities for trans -1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) in the liquid phase

Tanaka, K., Takahashi, G. & Higashi, Y., Jun 10 2010, In : Journal of Chemical and Engineering Data. 55, 6, p. 2267-2270 4 p.

Research output: Contribution to journalArticle

Specific heat
Liquids
Bellows
1,3,3,3-tetrafluoropropene
Calorimeters
11 Citations (Scopus)

Measurements of the isobaric specific heat capacity and density for dimethyl ether in the liquid state

Tanaka, K. & Higashi, Y., Aug 12 2010, In : Journal of Chemical and Engineering Data. 55, 8, p. 2658-2661 4 p.

Research output: Contribution to journalArticle

Specific heat
Ethers
Liquids
Density of liquids
Bellows
50 Citations (Scopus)

Measurements of the isobaric specific heat capacity and density for HFO-1234yf in the liquid state

Tanaka, K., Higashi, Y. & Akasaka, R., Mar 1 2010, In : Journal of Chemical and Engineering Data. 55, 2, p. 901-903 3 p.

Research output: Contribution to journalArticle

Specific heat
Liquids
2,3,3,3-tetrafluoropropene
Vapor pressure
Extrapolation
2 Citations (Scopus)
Specific heat
Liquids
Bellows
pentafluoroethane
1,1,1-trifluoroethane
54 Citations (Scopus)

Measurements of the vapor pressures and p ρ T properties for trans -1,3,3,3-tetrafluoropropene (HFO-1234ze(E))

Tanaka, K., Takahashi, G. & Higashi, Y., Jun 10 2010, In : Journal of Chemical and Engineering Data. 55, 6, p. 2169-2172 4 p.

Research output: Contribution to journalArticle

Vapor pressure
Density of liquids
Bellows
Temperature
1,3,3,3-tetrafluoropropene
20 Citations (Scopus)

P p T property measurements for trans -1,3,3,3-tetrafluoropropene (HFO-1234ze(E)) in the gaseous phase

Tanaka, K. & Higashi, Y., Nov 11 2010, In : Journal of Chemical and Engineering Data. 55, 11, p. 5164-5168 5 p.

Research output: Contribution to journalArticle

Equations of state
Bellows
Metals
Temperature
1,3,3,3-tetrafluoropropene
1 Citation (Scopus)

Surface tension of low GWP refrigerant mixtures

Tanaka, K., Takahashi, K., Kobayashi, K. & Higashi, Y., Jan 1 2010, 5th Asian Conference on Refrigeration and Air Conditioning, ACRA 2010 - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System. Japan Society of Refrigeration and Air Conditioning Engineering (JSRAE), (5th Asian Conference on Refrigeration and Air Conditioning, ACRA 2010 - Green Breeze from Asia: Frontiers of Refrigerants, Heat Transfer and System).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Refrigerants
Surface tension
Temperature
123 Citations (Scopus)

Thermodynamic properties of HFO-1234yf (2,3,3,3-tetrafluoropropene)

Tanaka, K. & Higashi, Y., May 1 2010, In : International Journal of Refrigeration. 33, 3, p. 474-479 6 p.

Research output: Contribution to journalArticle

Thermodynamic properties
Vapor pressure
Density of liquids
Density of gases
Bellows
75 Citations (Scopus)

Thermodynamic property modeling for 2,3,3,3-tetrafluoropropene (HFO-1234yf)

Akasaka, R., Tanaka, K. & Higashi, Y., Jan 1 2010, In : International Journal of Refrigeration. 33, 1, p. 52-60 9 p.

Research output: Contribution to journalArticle

Thermodynamic properties
Equations of state
Density of liquids
Specific heat
Refrigerants
2009

Approach for "regional base university of energy education"

Higashi, Y., Jan 2009, In : Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy. 88, 1, p. 15-21 7 p.

Research output: Contribution to journalReview article

Education
Information services
Natural resources
Industry
Energy conservation

Development of temperature-change sensor by thermoelectric elements and its response evaluation on dropping into water

Tanaka, K., Yasuno, T., Higashi, Y., Okuzaki, S. & Katakura, T., Dec 1 2009, In : Heat Transfer - Asian Research. 38, 8, p. 507-519 13 p.

Research output: Contribution to journalArticle

Electromotive force
electromotive forces
Response Elements
Water
evaluation
7 Citations (Scopus)

Measurements of the surface tension for the R290 + R32 mixture

Tanaka, K. & Higashi, Y., Jun 11 2009, In : Journal of Chemical and Engineering Data. 54, 6, p. 1656-1659 4 p.

Research output: Contribution to journalArticle

Surface tension
Molecules
Refrigerants
Chemical analysis
Uncertainty
8 Citations (Scopus)

Measurements of the vapor - Liquid equilibrium for the CO2 + R290 mixture

Tanaka, K., Higashi, Y., Akasaka, R., Kayukawa, Y. & Fujii, K., Mar 12 2009, In : Journal of Chemical and Engineering Data. 54, 3, p. 1029-1033 5 p.

Research output: Contribution to journalArticle

Phase equilibria
Equations of state
Temperature
Chemical analysis
Uncertainty
2007
24 Citations (Scopus)

Measurements of the surface tension for R290, R600a and R290/R600a mixture

Tanaka, K. & Higashi, Y., Dec 1 2007, In : International Journal of Refrigeration. 30, 8, p. 1368-1373 6 p.

Research output: Contribution to journalArticle

Surface Tension
surface tension
Surface tension
Temperature
temperature

Surface tension of 1,1,1,2,2,3,3,4,4-nonafluorohexane and 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether

Tanaka, K. & Higashi, Y., Apr 2 2007, In : kagaku kogaku ronbunshu. 33, 1, p. 1-5 5 p.

Research output: Contribution to journalArticle

Ether
Surface tension
Ethers
Temperature
Uncertainty
11 Citations (Scopus)

Vapor-liquid equilibrium measurements and correlations for the binary mixture of difluoromethane + isobutane and the ternary mixture of propane + isobutane + difluoromethane

Akasaka, R., Higashi, Y., Tanaka, K., Kayukawa, Y. & Fujii, K., Dec 1 2007, In : Fluid Phase Equilibria. 261, 1-2, p. 286-291 6 p.

Research output: Contribution to journalArticle

Butanes
Propane
liquid-vapor equilibrium
butanes
Binary mixtures