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Evaluation method of energy saving availability by utilizing urban unused thermal energy. 2. Energy saving potential of transportation network of heat source water.

[In Japanese. / En japonais.]

Author(s) : SHIMODA Y., MIZUNO M., KAMETANI S., MOMOSE T., KANAJI T.

Type of article: Article

Summary

To recover heat from river, sea and sewage water in the Osaka city area, transportation networks are needed. The networks can cover 40% of total heat demand in Osaka city area and the primary energy saving potential is estimated at 3,581 terajoule per year. CO2 emission in pipelines and pumps is equal to 1.3 times CO2 emission saved by energy saving during a year. But the COP of heat pumps allows energy savings to be increased by 40%.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1998-3170
  • Languages: Japanese
  • Subject: Environment, General information
  • Source: Transaction of the Society of Heating, Air-conditioning and Sanitary Engineers of Japan - n. 67
  • Publication date: 1997/10
  • Document available for consultation in the library of the IIR headquarters only.

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