Abstract
In this paper, energy and exergy analysis of typical gas turbines is performed using average hourly temperature and relative humidity for selected Gulf cities located in Saudi Arabia, Kuwait, United Arab Emirates, Oman, Bahrain and Qatar. A typical gas turbine unit of 42 MW is considered in this study. The electricity production, thermal efficiency, fuel consumption differences between the ISO conditions and actual conditions are determined for each city. The exergy efficiency and exergy destruction rates for the gas turbine unit and its components are also evaluated taking ISO conditions as reference conditions. The results indicate that the electricity production losses occur in all cities during the year, except in Dammam and Kuwait for the period between November and March. During a typical day, the variation of the power production can reach 4 MW. The rate of exergy destruction under the combined effect of temperature and humidity is significant in hot months reaching a maximum of 12 MW in July. The presented results show also that adding inlet cooling systems to the existing gas turbine units could be justified in hot periods. Other aspects, such as the economic and environmental ones, should also be investigated.
Highlights
The power generation sector is one of the most expanding sectors in the Gulf countries mainly due to the rise of the population size, economic and industrial development and the availability of fossil fuels
The Gulf Cooperation Council (GCC) Interconnection Authority (GCCIA) was established in July 2001 with headquarters located in Dammam and the control center in Ghunan, Saudi Arabia [1,2,3]
The aim of this paper is to present a theoretical energy and exergy analysis of typical gas turbines using average hourly temperature and relative humidity for selected Arab Gulf cities
Summary
The power generation sector is one of the most expanding sectors in the Gulf countries mainly due to the rise of the population size, economic and industrial development and the availability of fossil fuels. The possible electrical interconnection between the Gulf countries is another important issue. The Gulf Cooperation Council (GCC) was formed in 1981, consisting of the six Arab Gulf countries, namely the United Arab Emirates, Bahrain, Saudi Arabia, Oman, Qatar and Kuwait [1]. Based on some previous studies, it has been demonstrated that the electrical interconnection among the GCC countries is possible technically and economically. The GCC Interconnection Authority (GCCIA) was established in July 2001 with headquarters located in Dammam and the control center in Ghunan, Saudi Arabia [1,2,3]. Saudi Arabia contributes with its eastern region having the largest production of electricity in the Kingdom [4]
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