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Journal of Thermal Science

, Volume 19, Issue 2, pp 132–135 | Cite as

Experimental study on the inlet fogging system using two-fluid nozzles

  • Abhilash Suryan
  • Dong Sun Kim
  • Heuy Dong Kim
Article

Abstract

Large-capacity compressors in industrial plants and the compressors in gas turbine engines consume a considerable amount of power. The compression work is a strong function of the ambient air temperature. This increase in compression work presents a significant problem to utilities, generators and power producers when electric demands are high during the hot months. In many petrochemical process industries and gas turbine engines, the increase in compression work curtails plant output, demanding more electric power to drive the system. One way to counter this problem is to directly cool the inlet air. Inlet fogging is a popular means of cooling the inlet air to air compressors. In the present study, experiments have been performed to investigate the suitability of two-fluid nozzle for inlet fogging. Compressed air is used as the driving working gas for two-fluid nozzle and water at ambient conditions is dragged into the high-speed air jet, thus enabling the entrained water to be atomized in a very short distance from the exit of the two-fluid nozzle. The air supply pressure is varied between 2.0 and 5.0 bar and the water flow rate entrained is measured. The flow visualization and temperature and relative humidity measurements are carried out to specify the fogging characteristics of the two-fluid nozzle.

Keywords

Evaporative Cooling Inlet Fogging Energy Savings Two-fluid Nozzles 

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References

  1. [1]
    Meher-Homji, C. B. and Mee, T. R., “Gas turbine Power Augmentation by Fogging of Inlet Air”, Proceedings of 28 th Turbomachinery Symposium, Houston, Texas(1999)Google Scholar
  2. [2]
    Parsons, R., ASHRAE Hand Book-Fundamentals, Chapter 6, Psychrometrics, ASHRAE Edition, Atlanta, Georgia (2001)Google Scholar
  3. [3]
    Ren, H. S., “Construction of a Generalized Psychrometric Chart for Different Pressures”, International Journal of Mechanical Engineering Education, 32/3, pp.212–222.Google Scholar
  4. [4]
    Suryan, A, Kim, D. S., Lee, H. D., Kwon, J. K. and Kim, H. D., “Analytical Study on Evaporative Cooling Potential and Power Gains of Air Compressors by Inlet Fogging”, Proceedings of KSME Conference, pp.2637–2641, Pyeongchang, Korea, November, 2008.Google Scholar
  5. [5]
    Suryan, A, Kim, D. S., Kim, B. J., and Kim, H. D., “Experimental Study on the Inlet Fogging System Using Two-fluid Nozzles”, Proceedings of KSME Conference, pp.275–278, Busan, Korea, May, 2009.Google Scholar
  6. [6]
    Chaker, M, Meher-Homji, C. B. and Mee, T. R., “Inlet Fogging of Gas turbine Engines-Part A: Fog Droplet Thermodynamics, Heat Transfer and Practical Considerations”, Proceedings of ASME Turbo Expo 2002, 2002-GT-30562, Amsterdam.Google Scholar

Copyright information

© Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Abhilash Suryan
    • 1
  • Dong Sun Kim
    • 2
  • Heuy Dong Kim
    • 1
  1. 1.School of Mechanical EngineeringAndong National UniversityAndongKorea
  2. 2.FMTRCDaejoo Machinery Co.DaeguKorea

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