Current Issue

The KSFM Journal of Fluid Machinery - Vol. 29, No. 4

1. p. 5 Verification of Cooling Performance of Internal Fan in High-Speed Induction Motor

Eun-Jin Bak, Seung-Wook Jung, Jin-Tae Jun, Hye-Young Jo, Yo-Seb Choi
DOI: https://doi.org/10.5293/kfma.2026.29.4.005

2. p. 10 Rotordynamic Performance Measurements and Model Predictions of Water-Lubricated Journal Bearings with Different Radial Clearances

Hyunwoo Cho, Youngwoo Kim, Seokhun Choi, Kihyun Sim, Sungho Hwang, Jeongkyu Lim, Changha Lee, Taeho Kim
DOI: https://doi.org/10.5293/kfma.2026.29.4.010

3. p. 17 Aerodynamic Optimization of a Two-stage Centrifugal Compressor for a 1MW-class High-temperature Steam-generating Heat Pump using Reactive Response Surface Machine Learning

Byungkon Kim
DOI: https://doi.org/10.5293/kfma.2026.29.4.017

4. p. 44 Experimental Study of a Zigzag Channel for Recuperator Design in a Nitrogen Brayton Cycle Coupled with a Sodium-cooled Fast Reactor

Sungkun Chung, Jeong Hyeon Oh, Subin Lee, Hangjin Jo
DOI: https://doi.org/10.5293/kfma.2026.29.4.044

5. p. 52 Shape Optimization of a Tesla Valve-Type Control Valve Trim Flow Path Using Gaussian-Process-Regression-Based Bayesian Optimization

Heesoo Park, Sang-Yeol Kim
DOI: https://doi.org/10.5293/kfma.2026.29.4.052

6. p. 60 CFD-based Analysis of the Effect of IGV Angle on the Performance Characteristics of a Centrifugal Compressor

Seung Hyeon Son, Moo Sung Kim, Bo Kyoung Kim, Won-Gu Joo, Ho Gon Lee, Chang Pyo Park, Jun Young Park, Jeong Min Seo, Sejin Park, Heechan Jeong
DOI: https://doi.org/10.5293/kfma.2026.29.4.060

7. p. 67 Effects of Variable-Speed Operation on the Performance and Loss Characteristics of an Industrial Centrifugal Compressor

Seung Hyeon Son, Moo Sung Kim, Bo Kyoung Kim, Won-Gu Joo, Ho Gon Lee, Chang Pyo Park, Jun Young Park, Jeong Min Seo, Sejin Park, Heechan Jeong
DOI: https://doi.org/10.5293/kfma.2026.29.4.067