Abstract
A detailed parametric analysis was performed on entire performance cycle model of micro gas turbine power plant. The parametric analysis was studied using Russian Software named ASTRA. Evaluation of parameters on both design and operation condition was performed. The parameters focused here are power output, compression work, specific fuel consumption and thermal efficiency. Various stages such as use of Intercooler, Pre-heater and their optimal influence on thermodynamics were performed. The task was to optimize the maximum output in free turbine power by simulating various cycles of compressor pressure ratios for centrifugal compressor, ambient temperature in various altitude; air-fuel mix ratio and turbine inlet temperature. The results are analysed and presented in this article, the Analysis known as on-design analysis. The compressor uses 66% of turbine work output. The research analysis focuses on reducing the use of power output by compressor and maximizes the power output by free turbine. The results could be summarized as increase in gas turbine thermal efficiency does not always improve the gas turbine efficiency. Optimum power increase of up to 3% was improved and improvement in fuel efficiency improved about 4%.
Highlights
This article research was to optimize the theoretical and mathematical design for a lightweight Gas turbine for producing 8 kW of power
The computer-aided system ASTRA developed at the Samara University used for Parametric Analysis and optimization for the required gas turbine powerplant and the depiction of software as shown in figure 1
Continuous output from free turbine is required. It mainly consists of an inlet (I), a centrifugal air compressor (CAC), a combustion chamber (CC), gas turbine (GT), Free Turbine (FT) and Exhaust diffuser (ED)
Summary
This article research was to optimize the theoretical and mathematical design for a lightweight Gas turbine for producing 8 kW of power. The research focuses on investigation of theoretical limits for performances of the gas turbine used as power source for the drone based on the numerical simulation using computer-aided system ASTRA. Researchers try to increase gas turbine efficiency using various techniques, for example: pre-heater, intercooler, bleed-out and more. The research uses parametric analysis method to increase performance and efficiency of gas turbine engine. To create energy efficient system by conserving heat loss could be done by reduction of Temperature to turbine inlet (TiT). This article deals with the use of minimum Temperature to turbine inlet (TiT) to avoid excess fuel to reduce waste heat
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