The comparison of various gas turbine inlet aircooling methods for various ambient condition trough energy and exergy analysis

2012 ◽  
Author(s):  
A. Ganjeh Kaviri ◽  
M. N. Mohd Jafarb ◽  
M. L. Tholudin ◽  
H. Ganjeh Kaviri
Keyword(s):  
Gas Turbine ◽  
Exergy Analysis ◽  
Ambient Condition ◽  
Turbine Inlet ◽  
Energy And Exergy ◽  
Energy And Exergy Analysis

scholarly journals Energy and Exergy Analysis of Coupled Cycles Utilizing New Generation Gas Turbines

2020 ◽  
Author(s):  
Chang Cho
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Closed Loop ◽  
Exergy Analysis ◽  
Cooling Process ◽  
Energy And Exergy ◽  
Energy And Exergy Analysis ◽  
Combined Cycles ◽  
New Generation

The potential execution of optimized gas-steam combined cycles built around the latest generation gas turbine motors is analyzed, by implies of energy/exergy equalizations. The options here considered are the warm gas turbine and the H-series with closed-loop steam edge cooling.Recreations of execution were run employing a well-tested Modular Code created at the Office of Vitality Designing of Florence and subsequently improved to incorporate the calculation of exergy pulverization of all sorts (warm transfer, friction, blending, and chemical irreversibilities). The edge cooling process is analyzed in detail because it is recognized to be of capital significance for execution optimization. The distributions of the relative exergy devastation for the two solutions both competent of achieving energy/exergy efficiencies within the extend of 60 percent are compared and the potential for advancement is examined<br>

scholarly journals Energy and exergy analysis of a simple gas turbine combined with linde cycle and N2 injected into the compressor of the gas turbine

2021 ◽  
Vol 1 (1) ◽  
pp. 006-015
Author(s):  
E. H. Betelmal ◽  
A. M. Naas ◽  
A. Mjani
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Exergy Analysis ◽  
Air Separation ◽  
Compression Process ◽  
Turbine Efficiency ◽  
Performance Variation ◽  
Energy And Exergy ◽  
Energy And Exergy Analysis ◽  
Gas Turbine Cycle

In this paper, we investigated a thermodynamic model of the regeneration gas turbine cycle with nitrogen supplied during the compression process. A suitable quantity of nitrogen that comes from the air separation cycle (Linde cycle) is injected between the stages of the compressor where it is evaporated, then the nitrogen and air mixture enters into the combustion chamber where it is burned and expanded in the turbine. We used this method to reduce greenhouse gases and improve gas turbine efficiency. In this work, we evaluated the operational data of the regeneration gas turbine cycle and the maximum amount of nitrogen that can be injected into the compressor. We also investigated the performance variation due to nitrogen spray into the compressor, and the effect of varying ambient temperature on the performance of gas turbines (thermal efficiency, power), as well as a comparison between the normal gas turbine cycle, and the remodelled compression cycle. The exergy analysis shows that the injection of the nitrogen will increase exergy destruction. The results demonstrated an 8% increase in the efficiency of the cycle, furthermore, CO2 emission decreased by 11% when the nitrogen was injected into the compressor.

A Comparison of Different Gas Turbine Concepts Using Biomass Fuel

2001 ◽  
Author(s):  
Sandro B. Ferreira ◽  
Pericles Pilidis ◽  
Marco A. R. Nascimento
Keyword(s):  
Heat Exchanger ◽  
Gas Turbine ◽  
Exergy Analysis ◽  
Biomass Fuel ◽  
Great Promise ◽  
Energy And Exergy ◽  
Energy And Exergy Analysis ◽  
Integrated Gasification ◽  
Gas Turbine Cycle ◽  
Design And Construction

This paper aims to assess the performance of the Externally Fired Gas Turbine cycle (EFGT) and a variant, ICEFGT (InterCooled Externally Fired Gas Turbine), and Biomass Integrated Gasification Intercooled Recuperated cycle (BIG/ICR), all using biomass as fuel – solid in the EFGT cases and gasified in the BIG/ICR cycle. The results are compared with the performance of a Biomass Integrated Gasification Gas Turbine (BIG/GT), as a representative of the most common use of biomass in gas turbine cycles. The energy and exergy analysis detailed here shows that if the challenges of the design and construction of the heat exchanger can be met, the externally fired cycles show great promise.

Comparative Energy and Exergy Analysis of Proposed Gas Turbine Cycle With Simple Gas Turbine Cycle at Same Operational Cost

2019 ◽  
Author(s):  
M. N. Khan ◽  
Ibrahim M. Alarifi ◽  
I. Tlili
Keyword(s):  
Gas Turbine ◽  
Fuel Consumption ◽  
Exergy Analysis ◽  
Pressure Ratio ◽  
Specific Fuel Consumption ◽  
Exergy Destruction ◽  
Energy And Exergy ◽  
Energy And Exergy Analysis ◽  
Gas Turbine Cycle ◽  
The Impact

Abstract Environmentally friendly and effective power systems have been receiving increased investigation due to the aim of addressing global warming, energy expansion, and economic growth. Gas turbine cycles are perceived as a useful technology that has advanced power capacity. In this research, a gas turbine cycle has been proposed and developed from a simple and regenerative gas turbine cycle to enhance performance and reduce Specific fuel consumption. The impact of specific factors regarding the proposed gas turbine cycle on thermal efficiency, net output, specific fuel consumption, and exergy destruction, have been inspected. The assessments of the pertinent parameters were performed based on conventional thermodynamic energy and exergy analysis. The results obtained indicate that the peak temperature of the Proposed Gas Turbine Cycle increased considerably without affecting fuel consumption. The results show that at Pressure Ratio (rp = 6) the performance of the Proposed Gas Turbine Cycle is much better than Single Gas Turbine Cycle but the total exergy destruction of Proposed Gas Turbine Cycle higher than the SGTC.

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