Numerical Investigation of Hydrogen Co-Firing in Gas Turbine Combustors: Emission, Performance, and Economic Feasibility
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ID: 314651
2026
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Abstract
Abstract The decarbonization of gas turbine power plants is essential in the energy transition, particularly in countries such as Indonesia, where gas turbines play a critical role in supporting the intermittency of renewable energy sources. This study presents a numerical investigation of hydrogen-natural gas co-firing in an F4-class gas turbine combustor using a three-dimensional model reconstructed from high-resolution scanning data. Simulations were performed with hydrogen mass fractions ranging from 0% to 20%, while maintaining a constant turbine inlet temperature to evaluate changes in combustion behavior, emissions, and economic performance. The results show that increasing hydrogen content modifies the flame structure and alters the outlet velocity distribution due to changes in air fuel ratio. Carbon dioxide emissions decrease by up to 36%, while nitrogen oxides emissions increase by 41%, reflecting the higher reactivity and flame temperature of hydrogen combustion. From an economic perspective, hydrogen utilization increases fuel cost by up to 1.65 times compared to natural gas operation. However, the inclusion of carbon credit mechanisms reduces this increase to 1.50 times. These findings demonstrate the technical feasibility and economic implications of hydrogen co-firing as a transitional strategy for decarbonizing gas turbine systems.
| Reference Key |
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| Authors | Hadits Shofar Fauzi, Gea Fardias Mu’min, Vani Virdyawan, Firman Bagja Juangsa |
| Journal | journal of modern power systems and clean energy |
| Year | 2026 |
| DOI |
10.1093/ce/zkag022
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| URL | |
| Keywords | Keywords not found |
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