0
Research Papers: Gas Turbines: Cycle Innovations

Combustion Chamber Steam Injection for Gas Turbine Performance Improvement During High Ambient Temperature Operations

[+] Author and Article Information
Abdallah Bouam

 Nuclear Research Center of Birine CRNB, P.O. Box 180, Aïn-Oussera 17200, Algeriabouam05̱ab3@yahoo.fr

Slimane Aissani

Faculty of Hydrocarbons and Chemistry, University M’Hamed Bougara Boumerdes, Street of Independence, Boumerdes 35000, Algeriaslim50dz@yahoo.fr

Rabah Kadi

 Nuclear Research Center of Birine CRNB, P.O. Box 180, Aïn-Oussera 17200, Algeriakhaled2003@hotmail.com

J. Eng. Gas Turbines Power 130(4), 041701 (Apr 23, 2008) (10 pages) doi:10.1115/1.2898834 History: Received September 12, 2006; Revised January 07, 2008; Published April 23, 2008

The gas turbines are generally used for large scale power generation. The basic gas turbine cycle has low thermal efficiency, which decreases in the hard climatic conditions of operation, so the cycles with thermodynamic improvement is found to be necessary. Among several methods shown their success in increasing the performances, the steam injected gas turbine cycle (STIG) consists of introducing a high amount of steam at various points in the cycle. The main purpose of the present work is to improve the principal characteristics of gas turbine used under hard condition of temperature in Algerian Sahara by injecting steam in the combustion chamber. The suggested method has been studied and compared to a simple cycle. Efficiency, however, is held constant when the ambient temperature increases from ISO conditions to 50°C. Computer program has been developed for various gas turbine processes including the effects of ambient temperature, pressure ratio, injection parameters, standard temperature, and combustion chamber temperature with and without steam injection. Data from the performance testing of an industrial gas turbine, computer model, and theoretical study are used to check the validity of the proposed model. The comparison of the predicted results to the test data is in good agreement. Starting from the advantages, we recommend the use of this method in the industry of hydrocarbons. This study can be contributed for experimental tests.

Copyright © 2008 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Figure 1

Illustrative diagram

Grahic Jump Location
Figure 2

Thermodynamic cycle T-s of a simple gas turbine

Grahic Jump Location
Figure 3

Scheme of the steam injected plant proposed

Grahic Jump Location
Figure 4

Control volume of combustion chamber (application of the SFEE)

Grahic Jump Location
Figure 5

Specific work of the compressor

Grahic Jump Location
Figure 6

Thermal efficiency versus pressure ratio at different ambient temperatures

Grahic Jump Location
Figure 7

Thermal efficiency versus ambient temperature at fixed pressure ratio

Grahic Jump Location
Figure 8

Powers without and with steam injection

Grahic Jump Location
Figure 9

Efficiency without and with steam injection

Grahic Jump Location
Figure 10

Total thermal efficiency

Grahic Jump Location
Figure 11

Efficiency and steam to air ratio injected

Grahic Jump Location
Figure 12

Steam to air ratio injected

Grahic Jump Location
Figure 14

Net power output

Grahic Jump Location
Figure 15

Steam quantity injected

Grahic Jump Location
Figure 17

Power of turbine

Grahic Jump Location
Figure 18

Steam quantity injected

Grahic Jump Location
Figure 20

Net power output

Grahic Jump Location
Figure 21

Steam injected quantity

Grahic Jump Location
Figure 23

Net power output deviation

Grahic Jump Location
Figure 24

Thermal efficiency deviation

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In