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May 7, 2026Journal of the Korean Institute of GasOpen Access

Simulation-Based Analysis of Steam Boiler Operational Performance and Load Response Characteristics According to Turn Down Ratio under an Energy Commissioning Framework

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Authors

CLChul-Ho LeeIKIl-ho KimYKYoung-Bae Kim

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Overview

Randomized trial analyzes operational performance in steam boilers, indicating implications for energy efficiency.

Key Points

  • This study aims to analyze the impact of turn down ratio on the efficiency and emissions of LNG combustion steam boilers.
  • Used AMESim simulation to evaluate boiler performance under varying load conditions.
  • Assessed efficiency and CO₂ emissions for different turn down ratios during load tracking operations.
  • Compared the effects of load distribution strategies between master-slave control and equal load operations.
  • Single boiler efficiency peaked at mid-load (40-70%), whereas full capacity showed decreased efficiency due to gas residence time.
  • At low loads (10-30%), fixed thermal losses significantly reduced efficiency.
  • Parallel operation of two boilers highlighted that equal load distribution was more efficient and emitted less CO₂ than master-priority operation.

Cite This Study

Lee et al. (2026) studied this question.

synapsesocial.com/papers/69fc2ba98b49bacb8b347af7https://doi.org/10.7842/kigas.2026.30.1.75
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