In the development process of all gas turbines, the thermoacoustic behavior of the
combustion system is of crucial importance for the overall performance in terms of lifetime …

The recent development of the Alstom's sequential combustion system for the GT24 (60Hz)
and GT26 (50Hz) upgrades 2011 is a perfect example of evolutionary design optimizations …

This paper presents a novel sequential combustor experiment for the study of reheat flame
responses to high-frequency, transversal thermoacoustic oscillations. The reheat …

Concerning the efforts in reducing the impact of fossil fuel combustion on climate change for
power production utilizing gas turbine engines Flue Gas Recirculation (FGR) in combination …

This paper describes a novel lean premixed reheat burner technology suitable for Hydrogen-
rich fuels. The inlet temperature for such a combustor is very high and reaction of the …

The Ansaldo GT26 reheat gas turbine features the sequential combustion system with
further improvements for extended fuel flexibility, increased operational flexibility and even …

In this work, we perform an experimental study of the combustion of pure hydrogen in the
sequential stage of a generic combustor. This academic test rig is a simplified model of an …

Modern gas turbines call for an ultra-high firing temperature and fuel flexibility while keeping
emissions at very low levels. Sequential combustion has demonstrated its advantages …

Reducing gas turbine emissions and increasing their operational flexibility are key targets in
today's gas turbine market. In order to further reduce emissions and increase the operational …

The reduction of the Minimum Environmental Load (MEL) is a key requirement for increased
operational flexibility of Combined Cycle Power Plants (CCPP). In reheat combustors, the …