Micro gas turbine cycle humidification for increased flexibility: Numerical and experimental validation of different steam injection models
(2018) ASME Turbo Expo 2018 — Location: Oslo, Norway (11.June.2018)
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- Abstract
- With the current shift from centralized to more decentralized power production, new opportunities arise for small-scale Combined Heat and Power (CHP) production units like micro Gas Turbines (mGTs). However, to fully embrace these opportunities, the current mGT technology has to become more flexible in terms of operation-decoupling the heat and power production in CHP mode-and in terms of fuel utilization-showing flexibility in the operation with different Lower Heating Value (LHV) fuels. Cycle humidification e.g. by performing steam injection, is a possible route to handle these problems. Current existing simulation models are able to correctly assess the impact of humidification on the cycle performance, but they fail to provide detailed information on the combustion process. To fully quantify the potential of cycle humidification, more advanced numerical models - preferably validated - are necessary. These models are not only capable of correctly predicting the cycle performance, but they can also handle the complex chemical kinetics in the combustion chamber. © 2018 ASME.
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Citations
De Paepe, W., Renzi, M., Carrerro, M. M., Caligiuri, C., & Contino, F. (2018). Micro gas turbine cycle humidification for increased flexibility: Numerical and experimental validation of different steam injection models. Proceedings of the ASME Turbo Expo, 3. https://doi.org/10.1115/GT201876996 (Original work published 2018)