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Geothermal Energy Annual Report 2004

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Geothermal Energy Annual Report 2004 ( geothermal-energy-annual-report-2004 )

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II. IEA GEOTHERMAL R&T PROGRAMME ANNEX VIII baseline and then validating the improvements from innovative components and better designs. 6.2.3 Subtask C- Barrier and Opportunity Identification Based on subtasks A and B, this Subtask will define the barriers which must be overcome to gain widespread use of geothermal heat for various applications. The research activities necessary to take advantage of these opportunities will also be defined and initiated. 6.2.4 Subtask D- Equipment Performance Validation The work in this Subtask will define and test critical and innovative equipment; such as submersible and line shaft pumps, compact heat exchangers, down-hole heat exchangers, non-metallic piping, heat pumps and other equipment to characterize performance for various applications and for various geothermal brines. The testing can be at multiple sites or can be round robin. 6.3 Funding The collaborative direct use technology research to be carried out under this Annex will involve both cost-sharing and task-sharing. A common fund will be established to cover the special duties of the Operating Agent, including the cost of publishing the reports and summary assessments and the cost of maintaining and distributing the cost database. The costs associated with collecting the information in the database shall be borne by the respective participants. In addition, each participant shall bear all costs it incurs in carrying out the Annex activities, including reporting and travel expenses. The level of effort to perform the work specified in this Annex is estimated to be no more than one-person year per year for each participant. 6.4 Results The primary results of Annex VIII will be improvements in systems and equipment, reduction in cost of delivered heat and an increase in the number of direct use applications. Further, enhanced cooperation between the countries and increased exchange of technical and scientific information within the field of direct use of geothermal energy. Specifically, the results of this Annex shall include: • Development of an international database on direct use applications by each of the participating countries. The database will be based on standardized instruments and reporting techniques. • Reports on state-of-the-art in direct use of geothermal energy, including areas needing improvement. • Cooperative research to accomplish the needed improvements. • Participant reports on the status of research and development in new and improved technology that shall be presented in appropriate journals and meetings. Authors: Allan Jelacic (US Department of Energy, Washington, DC, USA), Hrefna Kristmannsdóttir (University of Akureyri, Akureyri, Iceland) and Sveinbjörn Björnsson (National Energy Authority, Reykjavik, Iceland). Contact: Einar Gunnlaugsson (Federation of Icelandic energy and Waterworks, Iceland): einar.gunnlaugsson@or.is IEA Geothermal R&T Annual Report 2004.doc 44

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