Design and Performance Analysis for 3 MW Waste Pressure Steam Turbine Using 2D and 3D Numerical Simulation

Hwabhin Kwon; Jong Yun Jung; Joon Seob Kim; Ye Lim Jung; Heesung Park

doi:10.7736/JKSPE.020.115

Design and Performance Analysis for 3 MW Waste Pressure Steam Turbine Using 2D and 3D Numerical Simulation

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Type: Academic journal

Author: Hwabhin Kwon (창원대학교) Jong Yun Jung (창원대학교) Joon Seob Kim (진영티비엑스) Ye Lim Jung (진영티비엑스) Heesung Park (창원대학교)

Journal: Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.38 No.6 KCI Accredited Journals SCOPUS

Published: 2021.6

Pages: 455 - 460 (6page)

DOI: 10.7736/JKSPE.020.115

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Design and Performance Analysis for 3 MW Waste Pressure Steam Turbine Using 2D and 3D Numerical Simulation

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In this study, the design of an axial steam turbine that is installed for a using waste pressure. Airfoils and flow fields are designed based on 1D and 2D meridional plane design techniques. The 3D geometry of the steam turbine is designed considering the 1D and 2D design parameters. The turbine is designed with an average radius of 287 mm and rotates at 8,300 re v/min. The inlet boundary condition of the steam turbine was applied in consideration of the installation condition of the waste pressure turbine. When analyzing the results of the numerical simulation, the performance of the steam turbine is predicted with an output of 3.5 MW and isentropic efficiency of 88.4%. The choked flow in the nozzle throat and the flow separation in the suction side on the blades are predicted numerically, and it is expected to be a study to determine the cause of the reduction in efficiency of the steam turbine.

#Steam turbine (스팀 터빈) #Axial turbine (축류 터빈) #Numerical simulation (수치해석) #CFD (전산열유체역학) #Meridional plane (자오면) #Turbine design (터빈 설계)

1. 서론
2. 터빈 설계 및 수치해석
3. 결과 및 토의
4. 결론
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Kim, S., Kim, U., and Ju, H., “Status and Principle of Coal Integrated Gasification Combined Cycle,” Korean Journal of Air- Conditioning and Refrigeration Engineering, Vol. 7, pp. 883-886, 2011.

Kang, D. W., Shin, H. D., Kim, T. S., Hur, K. B., and Park, J. K., “Operating Characteristics Study of a Small Gas/Steam Turbine Combined System Using Biogas,” The KSFM Journal of Fluid Machinery, Vol. 15, No. 3, pp. 51-56, 2012.

Sakai, N., Harada, T., and Imai, Y., “Numerical Study of Partial Admission Stages in Steam Turbine (Efficiency Improvement by Optimizing Admission Arc Position),” JSME International Journal Series B Fluids and Thermal Engineering, Vol. 49, No. 2, pp. 212-217, 2006.

Xue, R., Hu, C., Sethi, V., Nikolaidis, T., and Pilidis, P., “Effect of Steam Addition on Gas Turbine Combustor Design and Performance,” Applied Thermal Engineering, Vol. 104, pp. 249-257, 2016.

Lee, J. H., Park, H. S., Jung, J. Y., Kim, J. S., Jung, Y. L., et al., “A Numerical Investigation on the Isentropic Efficiency of Steam Turbine Nozzle Stage with Different Nozzle Vane Thickness and Mass Flow Rate,” Transactions of the Korean Society of Mechanical Engineers B, Vol. 41, No. 10, pp. 685-691, 2017.

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