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<p>This study explores the dynamics of labyrinth seal performance in centrifugal compressors, focusing on the effects of different tooth counts on leakage flow and compressor efficiency as a whole. This work thoroughly examines fluid dynamics in various geometric configurations and operating conditions by applying advanced Computational Fluid Dynamics (CFD) simulations with ANSYS CFX software. Based on the <i>k</i>–<InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12046_2025_2839_Article_IEq1.gif" Format="GIF" Height="10" Rendition="HTML" Resolution="72" Type="Linedraw" Width="14" /> </InlineMediaObject> <EquationSource Format="TEX">\( \omega \)</EquationSource> <EquationSource Format="MATHML"><math> <mi>ω</mi> </math></EquationSource> </InlineEquation> SST turbulence model and the Reynolds-averaged Navier–Stokes (RANS) equations, the simulations thoroughly investigate pressure distributions and flow patterns. To verify that the simulations are accurate and dependable, a thorough grid independence test is carried out, and the mesh is optimized to achieve an agreement between precision and computing efficiency. The findings show that tooth count is a significant factor in affecting compressor efficiency and leaking behavior, with some configurations producing better results than others. The goal of this research is to increase system performance and stability in a variety of industrial applications by providing useful insights into the best design and improvement of labyrinth seals in centrifugal compressors.</p>

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Optimizing tooth count in labyrinth seals for enhanced efficiency and reduced leakage in centrifugal compressors: a computational fluid dynamics study

  • 期刊论文

  • 发表日期：

    2025年7月29日

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  • Abhishek Kumar,
  • Abhimanyu Chaudhari,
  • Viralkumar Babubhai Patel

摘要

This study explores the dynamics of labyrinth seal performance in centrifugal compressors, focusing on the effects of different tooth counts on leakage flow and compressor efficiency as a whole. This work thoroughly examines fluid dynamics in various geometric configurations and operating conditions by applying advanced Computational Fluid Dynamics (CFD) simulations with ANSYS CFX software. Based on the k– \( \omega \) ω SST turbulence model and the Reynolds-averaged Navier–Stokes (RANS) equations, the simulations thoroughly investigate pressure distributions and flow patterns. To verify that the simulations are accurate and dependable, a thorough grid independence test is carried out, and the mesh is optimized to achieve an agreement between precision and computing efficiency. The findings show that tooth count is a significant factor in affecting compressor efficiency and leaking behavior, with some configurations producing better results than others. The goal of this research is to increase system performance and stability in a variety of industrial applications by providing useful insights into the best design and improvement of labyrinth seals in centrifugal compressors.