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Journal Articles

Change in Cavitation Regime on NACA0015 Hydrofoil by Heating the Hydrofoil Surface

Ning Yang, Junnosuke Okajima, Yuka Iga
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. July 2023, 145(7): 071201.
Paper No: FE-22-1512
DOI: https://doi.org/10.1115/1.4057004
Published Online: March 13, 2023
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Topics: Cavitation, Cavities, Heating, Hydrofoil, Image processing, Temperature, Flow (Dynamics), Vapors
Journal Articles

Thermodynamic Suppression Effect of Cavitation Arising in a Hydrofoil in 140 °C Hot Water

Yuka Iga, Junnosuke Okajima, Yuki Yamagichi, Hirotoshi Sasaki, Yu Ito
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. January 2023, 145(1): 011207.
Paper No: FE-22-1274
DOI: https://doi.org/10.1115/1.4055600
Published Online: October 17, 2022
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Topics: Cavitation, Cavities, Temperature, Water, Hydrofoil, Hot water
Journal Articles

18th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC18)

Kazuyoshi Miyagawa, Arthur Favrel, Yuka Iga, Masaharu Uchiumi
Journal: Journal of Fluids Engineering
Article Type: Editorial
J. Fluids Eng. December 2021, 143(12): 120301.
Paper No: FE-21-1440
DOI: https://doi.org/10.1115/1.4052283
Published Online: September 15, 2021
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Topics: Dynamics (Mechanics), Machinery, Transport phenomena
Proceedings Papers

In-Situ Measurement of Liberation of a Dissolved Gas in Unsteady Cavitating Flow in Water

Daiki Makii, Hirotoshi Sasaki, Yuka Iga
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A017, July 28–August 1, 2019
Paper No: AJKFluids2019-5593
DOI: https://doi.org/10.1115/AJKFluids2019-5593
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Topics: Cavitation, Flow (Dynamics), Oxygen, Tunnels, Water, Computational fluid dynamics, Pressure, Vapor pressure, Brightness (Photometry), Cavities
Journal Articles

Numerical Analysis of Influence of Roughness of Material Surface on High-Speed Liquid Droplet Impingement

Hirotoshi Sasaki, Yuka Iga
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. June 2019, 141(3): 031404.
Paper No: PVT-18-1269
DOI: https://doi.org/10.1115/1.4043320
Published Online: April 11, 2019
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Topics: Drops, Fluids, Numerical analysis, Pressure, Surface roughness, Surfaces (Materials), Wedges, Stress, Erosion
Journal Articles

Modification of Energy Equation for Homogeneous Cavitation Simulation With Thermodynamic Effect

Anh Dinh Le, Junosuke Okajima, Yuka Iga
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. August 2019, 141(8): 081102.
Paper No: FE-18-1437
DOI: https://doi.org/10.1115/1.4042257
Published Online: January 30, 2019
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Topics: Cavitation, Pressure, Temperature, Heat, Condensation, Nitrogen, Cavities, Hydrofoil
eBook Chapter

Experimental Study of Disappearance Phenomenon of Unsteady Cavitation on NACA16-012

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
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Topics: Cavitation
eBook Chapter

Interaction Between Thermodynamic Suppression Effect and Reynolds Number Promotion Effect on Cavitation in Hot Water

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
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Topics: Cavitation, Hot water, Reynolds number
Proceedings Papers

Numerical Modeling of Gaseous Cavitation in CFD of Hydraulic Oil Flow Based on Dynamic Stimulation

Yudai Matsuura, Kento Kumagai, Yuka Iga
Proc. ASME. FPMC2017, ASME/BATH 2017 Symposium on Fluid Power and Motion Control, V001T01A004, October 16–19, 2017
Paper No: FPMC2017-4219
DOI: https://doi.org/10.1115/FPMC2017-4219
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Topics: Cavitation, Computational fluid dynamics, Computer simulation, Hydraulic flow, Pressure, Modeling, Bubbles, Dimensions, Unsteady flow
Journal Articles

Numerical Analysis of Suppression Effect of Asymmetric Slit on Cavitation Instabilities in Cascade

Hiroki Kobayashi, Ryosuke Hagiwara, Satoshi Kawasaki, Masaharu Uchiumi, Kazuyuki Yada, Yuka Iga
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. February 2018, 140(2): 021302.
Paper No: FE-16-1670
DOI: https://doi.org/10.1115/1.4037989
Published Online: November 7, 2017
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Topics: Blades, Cascades (Fluid dynamics), Cavitation, Flow (Dynamics), Numerical analysis, Pressure, Cavities
Journal Articles

One-Dimensional Analysis Method for Cavitation Instabilities of a Rotating Machinery

Satoshi Kawasaki, Takashi Shimura, Masaharu Uchiumi, Yuka Iga
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. February 2018, 140(2): 021113.
Paper No: FE-16-1597
DOI: https://doi.org/10.1115/1.4037987
Published Online: November 3, 2017
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Topics: Cavitation, Flow (Dynamics), Eigenvalues, Whirls
Proceedings Papers

The Numerical Analysis of Control Effect on Cavitation Instabilities in a Cascade With a Random Slit

Ryosuke Hagiwara, Yuka Iga
Proc. ASME. AJKFluids2015, Volume 1A: Symposia, Part 2, V01AT33A003, July 26–31, 2015
Paper No: AJKFluids2015-33292
DOI: https://doi.org/10.1115/AJKFluids2015-33292
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Topics: Cascades (Fluid dynamics), Cavitation, Numerical analysis, Surges, Flat plates, Turbomachinery, Blades, Fluids, Propellants, Resonance
Proceedings Papers

Thermodynamic Effect on Cavitation in High Temperature Water

Yuki Yamaguchi, Yuka Iga
Proc. ASME. FEDSM2014, Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress; Fluid-Particle Interactions in Turbulence, V002T06A004, August 3–7, 2014
Paper No: FEDSM2014-21433
DOI: https://doi.org/10.1115/FEDSM2014-21433
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Topics: Cavitation, High temperature, Water, Fluids, Temperature, Cavities, Hydraulic equipment, Refrigerants, Tunnels, Flow (Dynamics)
Proceedings Papers

Study of Supersonic Micro-Channel for Cooling Electronic Devices

Yuya Takahashi, Junnosuke Okajima, Yuka Iga, Atsuki Komiya, Wu-Shung Fu, Shigenao Maruyama
Proc. ASME. ICNMM2013, ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels, V001T05A003, June 16–19, 2013
Paper No: ICNMM2013-73134
DOI: https://doi.org/10.1115/ICNMM2013-73134
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Topics: Cooling, Microchannels, Nozzles, Heat transfer, Pressure, Shapes, Temperature, Gas flow, Geometry, Microscale devices
Journal Articles

Study of Quantitative Numerical Prediction of Cavitation Erosion in Cavitating Flow

Naoya Ochiai, Yuka Iga, Motohiko Nohmi, Toshiaki Ikohagi
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. January 2013, 135(1): 011302.
Paper No: FE-12-1139
DOI: https://doi.org/10.1115/1.4023072
Published Online: December 21, 2012
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Topics: Bubbles, Cavitation erosion, Collapse, Erosion, Flow (Dynamics), Pressure, Numerical analysis, Surfaces (Materials)
Proceedings Papers

Numerical Analysis of Influence of Pipe Length on Cavitation Surge

Yuka Iga, Hayato Nishitanaka, Yoshida Yoshiki
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 351-357, July 24–29, 2011
Paper No: AJK2011-06066
DOI: https://doi.org/10.1115/AJK2011-06066
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Topics: Cavitation, Numerical analysis, Pipes, Surges, Computer simulation, Boundary-value problems, Flow (Dynamics), Blades, Cascades (Fluid dynamics), Fluids
Proceedings Papers

On Boundary Conditions for Cavitation CFD and System Dynamics of Closed Loop Channel

Motohiko Nohmi, Toshiaki Ikohagi, Yuka Iga
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora, 183-190, July 24–29, 2011
Paper No: AJK2011-33007
DOI: https://doi.org/10.1115/AJK2011-33007
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Topics: Boundary-value problems, Cavitation, Computational fluid dynamics, System dynamics, Flow (Dynamics), Pressure, Closed loop systems, Computer software, Dynamics (Mechanics), Lumped parameter models
Journal Articles

Numerical Analysis of Three Types of Cavitation Surge in Cascade

Yuka Iga, Kei Hashizume, Yoshiki Yoshida
Journal: Journal of Fluids Engineering
Article Type: Research Papers
J. Fluids Eng. July 2011, 133(7): 071102.
DOI: https://doi.org/10.1115/1.4003663
Published Online: July 5, 2011
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Topics: Blades, Cascades (Fluid dynamics), Cavitation, Cavities, Pressure, Surges, Flow (Dynamics), Numerical analysis
Journal Articles

Thermodynamic Effect on Subsynchronous Rotating Cavitation and Surge Mode Oscillation in a Space Inducer

Yoshiki Yoshida, Hideaki Nanri, Kengo Kikuta, Yusuke Kazami, Yuka Iga, Toshiaki Ikohagi
Journal: Journal of Fluids Engineering
Article Type: Research Papers
J. Fluids Eng. June 2011, 133(6): 061301.
DOI: https://doi.org/10.1115/1.4004022
Published Online: June 15, 2011
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Topics: Cavitation, Surges, Oscillations, Nitrogen
Proceedings Papers

A Detailed Observation of Hydrofoil Cavitation and a Proposal for Improving Cavitation Model

Motohiko Nohmi, Naoya Ochiai, Yuka Iga, Toshiaki Ikohagi
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 2, Fora, 19-27, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30435
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-30435
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Topics: Cavitation, Hydrofoil, Bubbles, Cavities, Blades, Boiling, Collapse, Computational fluid dynamics, Dynamics (Mechanics), Erosion