Journal of the Japan Institute of Energy
New Arrival Alert : OFF

You can use this feature after you logged into the site.
Please click the button below.

Log in / Sign up
ONLINE ISSN: 1882-6121
PRINT ISSN: 0916-8753

Journal of the Japan Institute of Energy Vol. 99 (2020), No. 6

  • Exploring Effective Conditions to Reduce CO2 Emissions by Installing Ground-source Heat Pump

    pp. 57-66

    Bookmark

    You can use this feature after you logged into the site.
    Please click the button below.

    Log in / Sign Up

    DOI:10.3775/jie.99.57

    The purpose of this study is to find out natural and social conditions to effectively reduce CO2 emissions by installing ground source heat pump systems (GSHPs). This study estimates life cycle CO2 reduction potential of GSHPs for air-conditioning in office buildings under various natural and social conditions. Six hundred and forty possible patterns are generated by combining the following four conditions: climate, air-conditioning systems used at present, scales of office buildings and CO2 emission factors of grid electricity used. Based on the CO2 reduction potential of each pattern, this study analyzes patterns under which the GSHPs installation can effectively reduce CO2 emission. The analysis finds that the installation of GSHPs can reduce CO2 emission for about 40% (250 patterns) of all the 640 patterns. In particular, the GSHPs installation allows for higher CO2 reduction in patterns that meet following conditions: (1) when GSHPs substitute absorption chiller-heaters in the area where the CO2 emission factors of grid electricity are low and (2) when GSHPs substitute air source heat pumps in cold areas. In addition, sensitivity analysis is conducted considering a decrease in CO2 emission factors of grid electricity and the efficiency improvement of GSHPs in the future.
  • Table of Contents (in English)

    p. 9906tce_1

    Bookmark

    You can use this feature after you logged into the site.
    Please click the button below.

    Log in / Sign Up

    DOI:10.3775/jie.99.9906tce_1

  • Table of Contents (in Japanese)

    p. 9906tcj_1

    Bookmark

    You can use this feature after you logged into the site.
    Please click the button below.

    Log in / Sign Up

    DOI:10.3775/jie.99.9906tcj_1

Article Access Ranking

06 Jul. (Last 30 Days)

  1. Perspective toward Long-term Global Goal for Carbon Dioxide Mitigation in Steel Industry Tetsu-to-Hagané Vol.105(2019), No.6
  2. Production and Technology of Iron and Steel in Japan during 2019 ISIJ International Vol.60(2020), No.6
  3. Numerical Simulation of Fluid Flow and Solidification in a Vertical Round Bloom Caster Using a Four-port SEN with Mold and Strand Electromagnetic Stirring ISIJ International Advance Publication
  4. Sinter Pot for Temperature Measurement of the Top Layer during and After the Ignition ISIJ International Advance Publication
  5. Scheduling in Continuous Steelmaking Casting: A Systematic Review ISIJ International Vol.60(2020), No.6
  6. Improvement in Reduction Behavior of Sintered Ores in a Blast Furnace through Injection of Reformed Coke Oven Gas ISIJ International Advance Publication
  7. Deoxidation of Electroslag Remelting (ESR) – A Review ISIJ International Vol.60(2020), No.6
  8. From Iron Ore to Crude Steel: Mass Flows Associated with Lump, Pellet, Sinter and Scrap Iron Inputs ISIJ International Vol.60(2020), No.6
  9. Taguchi Orthogonal Test on Granule Properties and Porosity Distribution in Sintering Bed using High-resolution X-ray Computed Tomography ISIJ International Vol.60(2020), No.6
  10. Tension Leveling Using Finite Element Analysis with Different Constitutive Relations ISIJ International Vol.60(2020), No.6

Search Phrase Ranking

06 Jul. (Last 30 Days)

  1. blast furnace
  2. blast furnace permeability
  3. blast furnace productivity
  4. electric arc furnace
  5. cao sio2 viscosity
  6. 17-7 ph
  7. cold formed bainitic steel
  8. hole expansion ratio
  9. big data
  10. cao