By the end of this programme, participants will:
- Understand Gas Turbine Basics: Learn the principles, components, and operating cycles of gas turbines.
- Master Maintenance Techniques: Develop skills for effective mechanical maintenance and reliability enhancement.
- Troubleshoot and Resolve Issues: Acquire techniques to diagnose and address common mechanical problems.
- Inspect Critical Components: Understand inspection and failure analysis methods for blades, rotors, bearings, and combustion chambers.
- Plan Maintenance Activities: Learn to create and manage predictive and preventive maintenance schedules.
- Emphasize Safety and Sustainability: Apply safe maintenance practices, adhere to standards, and address environmental considerations.
Overview Of Gas Turbine Technology and Applications
Simple cycle gas turbine performance in terms of power, fuel consumption and thermal efficiency.
Effect of fuel choice on corrosion, emissions, component life etc.
Effect of ambient temperature and pressure on performance. Performance enhancement through compressor cleaning, intake water misting, intake air filtration, etc.
The performance benefits of using Combined cycle gas turbine performance and cogeneration. The use of inter-cooling and reheat.
Rotating Components and Matching
An overview of compressor and turbine design and performance, their characteristics and matching.
Compressor surge and its prevention.
Vibration and Rotor Dynamics
A review of vibration will include specific problems such as blade vibration and shaft critical speeds. Case histories which illustrate vibration with the fatigue failure of components. Rotor instability. Spectrum analysis for the solution of resonance, instability, and gear and blade problems. The Campbell (Spoke) diagram and critical speed maps.
Combustors and Fuels
- Combustor types, chamber design, fuel atomisation, ignition and combustor arrangements. The constraints imposed by fuels on the design and operation of the combustor. The wide spectrum of fuels, both gaseous and liquid, is examined. An overview of fuel treatment and additives is made.
Performance Analysis for Problem Detection
The fundamental concepts of performance analysis as a tool for saving energy costs. A review of basic and applied thermodynamics for gas turbines. The use of performance data to pinpoint problem areas.
Diagnostics related to fouling, nozzle erosion, blowing surge, choke, etc. Meaningful trending methods.
Gas Path Analysis for Stationary Gas Turbines
Simulation of degraded gas turbines, the application of fault coefficient matrices, fault trees and other techniques. Implications for component life and emissions.
Gas Turbine Fouling
The causes and effects of fouling in compressors including increased fuel flow, reduced efficiency, reduced mass flow, reduced surge margin, turbine blade creep life, etc.
The effects of inlet air filtration on engine performance.
Gas Turbine Repair
The techniques of inspection and repair of gas turbines are described in detail, including NDT techniques, cleaning, plating, heat treatment, welding, etc
Gas Turbine Maintenance
Maintenance techniques using borescopes. Spectrum analysis including acoustic monitoring. Techniques for checking and conducting repairs on impellers, diffusers, bearings, couplings, and foundation repair.
Special Considerations for CHP Gas Turbines
Considerations in the design, operation and maintenance of turbines and associated equipment.
Off design operational effects on heat recovery steam generators, STTG cycles and evaporative cooling.
