Gas Turbine Fogging Technology: A State-of-the-Art Review—Part III: Practical Considerations and Operational Experience

Author:

Bhargava R. K.1,Meher-Homji C. B.2,Chaker M. A.2,Bianchi M.3,Melino F.3,Peretto A.3,Ingistov S.4

Affiliation:

1. 22515 Holly Lake Drive, Katy, TX 77450

2. Bechtel Corporation, 3000 Post Oak Boulevard, Houston, TX 77056

3. University of Bologna, DIEM, Facolta di Ingegneria, Viale Risorgimento 2, Bologna 40136, Italy

4. Watson Cogeneration Co./BP, 11850 S. Wilmington Avenue, P. O. Box 6203, Carson, CA 90749

Abstract

The strong influence of ambient temperature on the output and heat rate of a gas turbine has popularized the application of inlet fogging and overspray for power augmentation. In this paper we focus on practical considerations for the implementation of the fogging technology such as water quality requirements, foreign object damage, gas turbine inlet icing, intake duct design, changes in compressor performance characteristics, and blade coating distress problems. It also provides a checklist for users and project developers to facilitate the design and implementation of fogging systems. In addition, in this paper we cover operational experience and review the work pursued by gas turbine OEMs in the field of fogging technology. A list of unresolved issues and ongoing research related to the fogging technology is also provided.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Reference26 articles.

1. Gas Turbine Fogging Technology: A State-of-the-Art Review—Part I: Inlet Evaporative Fogging—Analytical and Experimental Aspects;Bhargava;ASME J. Eng. Gas Turbines Power

2. Gas Turbine Fogging Technology: A State-of-the-Art Review—Part II: Overspray Fogging—Analytical and Experimental Aspects;Bhargava;ASME J. Eng. Gas Turbines Power

3. Gas Turbine Power Augmentation by Fogging of Inlet Air;Meher-Homji

4. Chaker, M., Meher-Homji, C. B., and Mee, T. R.III, 2002, “Inlet Fogging of Gas Turbine Engines-Part A: Fog Droplet Thermodynamics, Heat Transfer and Practical Considerations; Part B: Fog Droplet Sizing Analysis, Nozzle Types, Measurement and Testing; Part C: Fog Behavior in Inlet Ducts, CFD Analysis and Wind Tunnel Experiments,” ASME Papers No. 2002-GT-30562, No. 30563, and No. 30564.

5. Lecheler, S., and Hoffmann, J., 2003, “The Power of Water in Gas Turbines-ALSTOM’s Experience with Air Inlet Cooling,” Power-Gen Latin America, Nov.

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