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Proceedings Papers

Experimental Study on Different Tip Clearance of Low-Speed Axial Fan

Ming Zhang, Jia Li, Xu Dong, Dakun Sun, Xiaofeng Sun
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A037, June 7–11, 2021
Paper No: GT2021-59899
DOI: https://doi.org/10.1115/GT2021-59899
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Topics: Clearances (Engineering)
Journal Articles

Foam-Metal Casing Treatment on an Axial Flow Compressor: Stability Improvement and Noise Reduction

Dakun Sun, Jia Li, Xu Dong, Ruize Xu, Xiaofeng Sun
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011003.
Paper No: TURBO-20-1107
DOI: https://doi.org/10.1115/1.4051782
Published Online: September 7, 2021
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Topics: Compressors, Metals, Pressure, Stability, Flow (Dynamics), Noise control, Blades, Noise (Sound)
Proceedings Papers

Effect of the Foam Metal Casing Treatment on a Low-Speed Axial Compressor

Jia Li, Dakun Sun, Reize Xu, Xu Dong, Xiaofeng Sun
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A020, September 21–25, 2020
Paper No: GT2020-15149
DOI: https://doi.org/10.1115/GT2020-15149
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Topics: Compressors, Metals
Journal Articles

Analysis Method of Compressor Stability Based on Eigenvalue Theory

Dengke Xu, Chen He, Dakun Sun, Xiaofeng Sun
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. July 2020, 142(7): 071204.
Paper No: FE-19-1236
DOI: https://doi.org/10.1115/1.4046558
Published Online: March 27, 2020
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Topics: Blades, Compressors, Flow (Dynamics), Rotors, Stability, Eigenvalues
Proceedings Papers

Suppression of Combustion Instabilities in a Premixed Swirl Combustor With Acoustic Liner

Liangliang Xu, Guoqing Wang, Changcai Mo, Xunchen Liu, Lei Li, Fei Qi, Xiaofeng Sun
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A035, June 17–21, 2019
Paper No: GT2019-90600
DOI: https://doi.org/10.1115/GT2019-90600
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Topics: Acoustics, Combustion, Combustion chambers, Flow (Dynamics), Temperature, Air flow, Combustion systems, Energy dissipation, Flames, Mach number
Journal Articles

Calculation of Stall Margin Enhancement With Micro-Tip Injection in an Axial Compressor

Xiaohua Liu, Jinfang Teng, Jun Yang, Xiaofeng Sun, Dakun Sun, Chen He, Juan Du
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. August 2019, 141(8): 081109.
Paper No: FE-18-1631
DOI: https://doi.org/10.1115/1.4042561
Published Online: March 4, 2019
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Topics: Compressors, Ejectors, Flow (Dynamics), Pressure, Rotors, Blades
Journal Articles

Further Investigation on Acoustic Stall-Warning Approach in Compressors

Xu Dong, Fanyu Li, Ruize Xu, Dakun Sun, Xiaofeng Sun
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2019, 141(6): 061001.
Paper No: TURBO-17-1137
DOI: https://doi.org/10.1115/1.4041900
Published Online: January 21, 2019
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Topics: Acoustics, Blades, Compressors, Pressure, Sensors, Signals, Rotors, Resolution (Optics)
Journal Articles

Effect of RANS Method on the Stall Onset Prediction by an Eigenvalue Approach

Zhe Xie, Yangwei Liu, Xiaohua Liu, Lipeng Lu, Xiaofeng Sun
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. March 2019, 141(3): 031401.
Paper No: FE-18-1290
DOI: https://doi.org/10.1115/1.4041362
Published Online: October 5, 2018
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Topics: Compressors, Eigenvalues, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Blades
Proceedings Papers

Effect of Combined Liners on Controlling Thermoacoustic Instability in a Rijke Tube

Guangyu Zhang, Xiaoyu Wang, Dakun Sun, Xiaofeng Sun
Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A018, June 11–15, 2018
Paper No: GT2018-76318
DOI: https://doi.org/10.1115/GT2018-76318
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Topics: Acoustics, Damping, Flow (Dynamics), Heat, Oscillations, Pressure, Resonance, Sound pressure, Waves
Proceedings Papers

Effects of Rotating Inlet Distortion on Two-Stage Compressor Stability With Stall Precursor-Suppressed Casing Treatment

Dakun Sun, Jia Li, Xu Dong, Benhao Gu, Xiaofeng Sun
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A025, June 11–15, 2018
Paper No: GT2018-76701
DOI: https://doi.org/10.1115/GT2018-76701
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Topics: Compressors, Stability, Compression, Inlet guide vanes, Rotors, Wire mesh
Journal Articles

Effects of Stall Precursor-Suppressed Casing Treatment on a Low-Speed Compressor With Swirl Distortion

Xu Dong, Dakun Sun, Fanyu Li, Donghai Jin, Xingmin Gui, Xiaofeng Sun
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091101.
Paper No: FE-17-1317
DOI: https://doi.org/10.1115/1.4039707
Published Online: April 19, 2018
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Topics: Compressors, Design, Flow (Dynamics), Pressure, Ducts, Generators, Blades
Journal Articles

Stall Inception Analysis of Transonic Compressors With Chordwise and Axial Sweep

Chen He, Dakun Sun, Xiaofeng Sun
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2018, 140(4): 041009.
Paper No: TURBO-17-1195
DOI: https://doi.org/10.1115/1.4038873
Published Online: February 21, 2018
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Topics: Blades, Compressors, Eigenvalues, Flow (Dynamics), Rotors, Stability, Stall inception, Design
Proceedings Papers

Experimental Investigation of the Wake Decay Process in an Axial Pump With Varied Rotor-Stator Axial Spacings

Han Xu, Mengyu Wang, Donghai Jin, Dakun Sun, Xingmin Gui, Xiaofeng Sun
Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT03A004, July 30–August 3, 2017
Paper No: FEDSM2017-69044
DOI: https://doi.org/10.1115/FEDSM2017-69044
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Topics: Pumps, Rotors, Stators, Wakes, Blades, Compressors, Computation, Computational fluid dynamics, Flow (Dynamics), Kinetic energy
Proceedings Papers

Effect of RANS Method on Stall Inception Eigenvalue Approach

Zhe Xie, Yangwei Liu, Xiaohua Liu, Lipeng Lu, Xiaofeng Sun
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT41A048, June 26–30, 2017
Paper No: GT2017-64708
DOI: https://doi.org/10.1115/GT2017-64708
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Topics: Eigenvalues, Reynolds-averaged Navier–Stokes equations, Stall inception, Flow (Dynamics), Turbulence, Compressors, Density, Wakes, Blades, Engineering simulation
Journal Articles

Effects of Rotating Inlet Distortion on Compressor Stability With Stall Precursor-Suppressed Casing Treatment

Xu Dong, Dakun Sun, Fanyu Li, Donghai Jin, Xingmin Gui, Xiaofeng Sun
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. November 2015, 137(11): 111101.
Paper No: FE-14-1714
DOI: https://doi.org/10.1115/1.4030492
Published Online: November 1, 2015
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Topics: Compressors, Pressure, Stability, Design, Generators, Rotors, Signals, Flow (Dynamics), Pressure sensors, Unsteady flow
Journal Articles

Further Investigation on Transonic Compressor Stall Margin Enhancement With Stall Precursor-Suppressed Casing Treatment

Dakun Sun, Chaoqun Nie, Xiaohua Liu, Feng Lin, Xiaofeng Sun
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2016, 138(2): 021001.
Paper No: TURBO-14-1299
DOI: https://doi.org/10.1115/1.4031775
Published Online: October 27, 2015
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Topics: Compressors, Design, Flow (Dynamics), Pressure
Journal Articles

An Evaluation Approach for the Stall Margin Enhancement With Stall Precursor-Suppressed Casing Treatment

Dakun Sun, Xiaohua Liu, Xiaofeng Sun
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. August 2015, 137(8): 081102.
Paper No: FE-14-1553
DOI: https://doi.org/10.1115/1.4030017
Published Online: August 1, 2015
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Topics: Compressors, Design, Flow (Dynamics), Pressure, Rotors, Stability, Stall inception, Boundary-value problems
Journal Articles

Calculation of Flow Instability Inception in High Speed Axial Compressors Based on an Eigenvalue Theory

Xiaohua Liu, Yanpei Zhou, Xiaofeng Sun, Dakun Sun
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2015, 137(6): 061007.
Paper No: TURBO-14-1250
DOI: https://doi.org/10.1115/1.4028768
Published Online: June 1, 2015
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Topics: Blades, Clearances (Engineering), Compressors, Eigenvalues, Flow (Dynamics), Stability, Stall inception, Design, Flow instability, Rotors
Proceedings Papers

Calculation of Flow Instability Inception in High Speed Axial Compressors

Xiaohua Liu, Yanpei Zhou, Xiaofeng Sun, Dakun Sun
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A038, June 16–20, 2014
Paper No: GT2014-26436
DOI: https://doi.org/10.1115/GT2014-26436
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Topics: Compressors, Flow instability, Clearances (Engineering), Flow (Dynamics), Boundary-value problems, Computational fluid dynamics, Design, Eigenvalues, Flow turning, Simulation
Proceedings Papers

Effect of Novel Casing Treatment on the Suppression of Stall Precursor in a Transonic Compressor

Dakun Sun, Xiaofeng Sun, Xiaohua Liu, Feng Lin, Nie Chao Qun
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A025, June 16–20, 2014
Paper No: GT2014-26439
DOI: https://doi.org/10.1115/GT2014-26439
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Topics: Compressors, Rotors, Stall inception, Turbomachinery, Waves