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Advances and Challenges in Thermoacoustic Network Modeling for Hydrogen and Ammonia Combustors

Author

Listed:
  • Seungmin Guk

    (Department of Mechanical Engineering, Hanbat National University, 125 Dongseodaero, Yuseong, Daejeon 34158, Republic of Korea)

  • Jaehoon Lee

    (Department of Mechanical Engineering, Hanbat National University, 125 Dongseodaero, Yuseong, Daejeon 34158, Republic of Korea)

  • Juwon Kim

    (Department of Mechanical Engineering, Hanbat National University, 125 Dongseodaero, Yuseong, Daejeon 34158, Republic of Korea)

  • Minwoo Lee

    (Department of Mechanical Engineering, Hanbat National University, 125 Dongseodaero, Yuseong, Daejeon 34158, Republic of Korea)

Abstract

The transition to low-carbon energy systems has heightened interest in hydrogen and ammonia as sustainable alternatives to traditional hydrocarbon fuels. However, the development and operation of combustors utilizing these fuels, like other combustion systems, are challenged by thermoacoustic instabilities arising from the interaction between unsteady heat release and acoustic wave oscillations. Among many different methods for studying thermoacoustic instabilities, thermoacoustic network models have played an important role in analyzing the essential dynamics of these instabilities in combustors operating with low-carbon fuels. This paper provides a comprehensive review of thermoacoustic network modeling techniques, focusing specifically on their application to hydrogen- and ammonia-based combustion systems. We outline the key mathematical frameworks derived from fundamental equations of motion, along with experimental validations and practical applications documented in existing studies. Furthermore, current research gaps are identified, and future directions are proposed to improve the reliability and effectiveness of thermoacoustic network models, contributing to the advancement of efficient and stable low-carbon combustors.

Suggested Citation

  • Seungmin Guk & Jaehoon Lee & Juwon Kim & Minwoo Lee, 2025. "Advances and Challenges in Thermoacoustic Network Modeling for Hydrogen and Ammonia Combustors," Energies, MDPI, vol. 18(2), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:2:p:346-:d:1567023
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    References listed on IDEAS

    as
    1. Mehmet Kapucu & Jim B. W. Kok & Artur K. Pozarlik, 2024. "Experimental Investigation of Thermoacoustics and High-Frequency Combustion Dynamics with Band Stop Characteristics in a Pressurized Combustor," Energies, MDPI, vol. 17(7), pages 1-16, April.
    2. Fei Ma & Lingyan Guo & Zhijie Li & Xiaoxiao Zeng & Zhencao Zheng & Wei Li & Feiyang Zhao & Wenbin Yu, 2023. "A Review of Current Advances in Ammonia Combustion from the Fundamentals to Applications in Internal Combustion Engines," Energies, MDPI, vol. 16(17), pages 1-20, August.
    3. Eugenio Giacomazzi & Guido Troiani & Antonio Di Nardo & Giorgio Calchetti & Donato Cecere & Giuseppe Messina & Simone Carpenella, 2023. "Hydrogen Combustion: Features and Barriers to Its Exploitation in the Energy Transition," Energies, MDPI, vol. 16(20), pages 1-30, October.
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