gas turbine air inlet Articles
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Thermodynamic and economic assessments of gas turbine inlet air-cooling by evaporative technique
In this study, the effects of gas turbine inlet air-cooling by evaporative technique on work output and thermal end exergy efficiency were analysed. These analyses are performed with the use of per unit volumetric flow, which is fixed regardless of atmospheric air conditions. In addition, a simple and effective model is developed for the economic analysis of evaporative cooling. As a case study, ...
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Gas turbine emissions and environmental impact of efficiency boosting techniques
In this paper, environmental impact of gas turbine power generation equipment is reviewed and emissions sources are discussed. The types of pollutants in simple cycle gas turbine power plants and the associated air quality problems are compiled. Then, airborne pollutants which are generated in the combustion turbines are described and factors affecting emission formation are discussed. Also, the ...
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Performance enhancement of GT–ST power plant with inlet air cooling using lithium bromide/water vapour absorption refrigeration system
Performance improvement techniques in power generation systems especially in gas turbine–steam turbine (GT–ST) combined cycle (CC) power plants by compressor inlet air cooling prove to be much improvising. In this work, the performance enhancement of CC power plant by inlet air cooling method using lithium bromide–water (LiBr/H2O) absorption refrigeration system powered by waste heat from heat ...
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Suction Air Chilling – TradeMark Nitrogen - Case study
Increased and consistent production of Nitric Acid enables the increased production of higher value fertilizer products. The Trademark Nitric Acid plant was de-bottle necked by chilling the inlet to the plant’s suction air compressor. Everest Sciences patented hybrid indirect evaporative chilling system was installed due to its low operating costs and modular design minimizing the site ...
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Energy and exergy analysis of reverse Brayton refrigerator for Gas Turbine power boosting
In this study the use of Reverse Brayton cycle to boost up the power of gas turbine power plants operating in hot humid ambiance is analysed by the energy and exergy methods. The gas turbine inlet temperature is reduced by mixing the chilled air from Brayton refrigeration cycle and the main intake air stream reaching low intake temperatures. In this paper the effect of irreversibilities in the ...
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The effect of elevated inlet air temperature and relative humidity on Gas Turbine cogeneration system: exergy assessment
This research aims to quantify the exergy destructions of Gas Turbine (GT) cogeneration system under different inlet air temperatures and humidity. Three different cogeneration schemes were examined in this research: conventional GT, GT-Single Pressure HRSG and GT-Dual Pressure HRSG. A parametric study was carried out in terms of exergy destruction and second-law efficiency. The exergy ...
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Inlet Cooling for Gas Turbines Driving Gas Gathering Compressors - Case study
Increasing Incremental Gas Flow – Pemex TURBINES LOSE EFFICIENCY AS TEMPERATURES RISE As temperatures rise, your compressor’s performance suffers, resulting in lost time and decreased production, ultimately affecting your bottom line. We’ve developed an inlet cooling process that increases horsepower density and improves production by up to 25 percent, no matter the ...
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The effect of precooling inlet air on CHP efficiency in natural gas pressure reduction stations
Almost all pressure reduction stations in Iran use expansion valves to reduce the natural gas pressure, which leads to wasting large amount of exergy. In this paper, a system is proposed which includes the modification of a conventional pressure reduction station with the addition of a turbo expander and a gas turbine for power recovery and generation. The next step is investigating the effect of ...
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