The DISS Project: Direct Steam Generation in Parabolic Trough Systems. Operation and Maintenance Experience and Update on Project Status

Author:

Zarza Eduardo1,Valenzuela Loreto1,Leo´n Javier1,Weyers H.-Dieter2,Eickhoff Martin2,Eck Markus3,Hennecke Klaus4

Affiliation:

1. CIEMAT-Plataforma Solar de Almerı´a, Apartado 22, Tabernas E-04200 Almerı´a, Spain

2. DLR-Plataforma Solar de Almerı´a, Apartado 39, Tabernas E-04200 Almerı´a, Spain

3. Institut fu¨r Technische Thermodynamik-DLR, Pfaffenwaldring 38-40, D-70569 Stuttgart, Germany

4. Solare Energietechnik-DLR, D-51170 Ko¨ln, Germany

Abstract

The DISS (DIrect Solar Steam) project is a complete R+TD program aimed at developing a new generation of solar thermal power plants with direct steam generation (DSG) in the absorber tubes of parabolic trough collectors. During the first phase of the project (1996-1998), a life-size test facility was implemented at the Plataforma Solar de Almerı´a (PSA) to investigate the basic DSG processes under real solar conditions and evaluate the unanswered technical questions concerning this new technology. This paper updates DISS project status and explains O&M-related experience (e.g., main problems faced and solutions applied) with the PSA DISS test facility since January 1999.

Publisher

ASME International

Subject

Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment

Reference6 articles.

1. Langenkamp, J., 1998, “Revised LEC Projections and Discussion of Different DGS Benefits.” Project DISS Technical Report DISS-SC–QA–02. Almerı´a, Spain.

2. United States Naval Observatory, 1998, “Multiyear Interactive Computer Almanac 1990-2005,” Version 1.5. Willmann-Bell Inc, Virginia.

3. Blanco, M., Alarco´n, D., and Lo´pez, T., 2000, “Computing the Solar Vector,” Sol. Energy, 70(5), p. 20012001.

4. Eck, M., and Steinmann, W.-D., 2001, “Direct Steam Generation in Parabolic Troughs: Results of the DISS Project.” Proc. of Forum 2001 Conference of ASME Solar Division, Washington, DC.

5. Harats, Y., and Kearney, D., 1989, “Advances in Parabolic Trough Technology in the SEGS Plants,” ASME Int. Solar Energy Conf., San Diego, CA.

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