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Proceedings Papers

Prevention of Low-Frequency Vibration of High-Capacity Steam Turbine Units

H. Kanki, Y. Kaneko, M. Kurosawa, T. Yamamoto, Y. Yamamoto, F. Ninomiya
Proc. ASME. DETC97, Volume 1B: 16th Biennial Conference on Mechanical Vibration and Noise, V01BT07A019, September 14–17, 1997
Paper No: DETC97/VIB-4035
DOI: https://doi.org/10.1115/DETC97/VIB-4035
View Paper titled, Prevention of Low-Frequency Vibration of High-Capacity Steam Turbine Units
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Topics: Steam turbines, Vibration, Countermeasures, Excitation, High pressure (Physics), Rotors, Turbines, Dampers, Damping, Flow (Dynamics)
Journal Articles

A Grain Size-Dependent Equation for Creep Rupture Life of Grade 91 Steel Verified Up To 233,000 Hours

K. Maruyama, N. Sekido, K. Yoshimi, Y. Yamamoto
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. December 2020, 142(6): 061505.
Paper No: PVT-19-1143
DOI: https://doi.org/10.1115/1.4047442
Published Online: August 5, 2020
View Article titled, A Grain Size-Dependent Equation for Creep Rupture Life of Grade 91 Steel Verified Up To 233,000 Hours
Click here to open pdf in another window PDF for A Grain Size-Dependent Equation for Creep Rupture Life of Grade 91 Steel Verified Up To 233,000 Hours
Topics: Creep, Heat, Rupture, Steel, Grain size, Stress
Proceedings Papers

Development of Creep-Resistant, Alumina-Forming Ferrous Alloys for High-Temperature Structural Use

Y. Yamamoto, M. P. Brady, G. Muralidharan, B. A. Pint, P. J. Maziasz, D. Shin, B. Shassere, S. S. Babu, C.-H. Kuo
Proc. ASME. ETAM2018, ASME 2018 Symposium on Elevated Temperature Application of Materials for Fossil, Nuclear, and Petrochemical Industries, V001T04A003, April 3–5, 2018
Paper No: ETAM2018-6727
DOI: https://doi.org/10.1115/ETAM2018-6727
View Paper titled, Development of Creep-Resistant, Alumina-Forming Ferrous Alloys for High-Temperature Structural Use
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Topics: Alloys, Creep, High temperature, Design, Oxidation, Steam, Temperature, Corrosion, Energy / power systems, Specialty steels
Proceedings Papers

Sensorless Method for Switching Energy Harvester Based on Self-Sensing Approach

Y. Yamamoto, K. Asahina, K. Yoshimizu, K. Makihara
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T07A005, September 28–30, 2016
Paper No: SMASIS2016-9116
DOI: https://doi.org/10.1115/SMASIS2016-9116
View Paper titled, Sensorless Method for Switching Energy Harvester Based on Self-Sensing Approach
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Topics: Energy harvesting, Transducers, Vibration, Switches, Sensors, Circuits, Displacement, State estimation, Waves, Accelerometers
Proceedings Papers

Dynamic Compression of Rigid and Flexible Risers: Part I — Experimental Results

Andre´ L. C. Fujarra, Alexandre N. Simos, Newton Y. Yamamoto
Proc. ASME. OMAE2003, Volume 1: Offshore Technology; Ocean Space Utilization, 359-364, June 8–13, 2003
Paper No: OMAE2003-37203
DOI: https://doi.org/10.1115/OMAE2003-37203
View Paper titled, Dynamic Compression of Rigid and Flexible Risers: Part I — Experimental Results
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Topics: Compression, Flexible risers, Model basin
Proceedings Papers

Latest Technologies Applied to the Advanced Boiling Water Reactor (ABWR): A History of the Development and Manufacturing Stage

Y. Yamamoto, G. Yanase, H. Yoshida, M. Ukai, M. Takahashi, M. Naito, M. Yasuda
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 2, 105-109, April 25–29, 2004
Paper No: ICONE12-49235
DOI: https://doi.org/10.1115/ICONE12-49235
View Paper titled, Latest Technologies Applied to the Advanced Boiling Water Reactor (ABWR): A History of the Development and Manufacturing Stage
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Topics: Boiling water reactors, Manufacturing, Economics , Maintenance, Reliability, Construction, Electricity (Physics), Filters, Fuels, Nuclear power stations
Proceedings Papers

Status of Pre-Operating Tests for the Latest ABWR in Hamaoka Nuclear Power Unit No. 5

S. Yukinori, Y. Ohta, G. Yanase, H. Yoshida, Y. Yamamoto, M. Takahashi, S. Iwata, K. Yamada, M. Sakamoto
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 2, 121-125, April 25–29, 2004
Paper No: ICONE12-49333
DOI: https://doi.org/10.1115/ICONE12-49333
View Paper titled, Status of Pre-Operating Tests for the Latest ABWR in Hamaoka Nuclear Power Unit No. 5
Click here to open pdf in another window PDF for Status of Pre-Operating Tests for the Latest ABWR in Hamaoka Nuclear Power Unit No. 5
Topics: Air conditioning, Boiling water reactors, Construction, Control systems, Cooling, Design, Electricity (Physics), Electromagnetic induction, Engines, Heating
Proceedings Papers

Dependence of Gas Transportation in Radial Lip Seals on Oil and Gas

J. Sugimura, S. Gondo, Y. Yamamoto
Proc. ASME. WTC2005, World Tribology Congress III, Volume 2, 265-266, September 12–16, 2005
Paper No: WTC2005-64048
DOI: https://doi.org/10.1115/WTC2005-64048
View Paper titled, Dependence of Gas Transportation in Radial Lip Seals on Oil and Gas
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Topics: Transportation systems, Flow (Dynamics), Viscosity, Gas chromatography, Gas flow, Leakage, Mineral oil, Pumps
Journal Articles

Creep Strength and Microstructure of AL 20 - 25 + Nb Alloy Sheets and Foils for Advanced Microturbine Recuperators

P. J. Maziasz, J. P. Shingledecker, N. D. Evans, Y. Yamamoto, K. L. More, R. Trejo, E. Lara-Curzio
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 798–805.
DOI: https://doi.org/10.1115/1.2718569
Published Online: October 20, 2006
View Article titled, Creep Strength and Microstructure of AL 20 - 25 + Nb Alloy Sheets and Foils for Advanced Microturbine Recuperators
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Topics: Alloys, Creep, Niobium alloys, Rupture, Microturbines, Testing, Oxidation, Stainless steel, Steel, Turbines
Journal Articles

Round Robin Calculations of Collapse Loads—A Torispherical Pressure Vessel Head With a Conical Transition

Y. Yamamoto, S. Asada, A. Okamoto
Journal: Journal of Pressure Vessel Technology
Article Type: Research Papers
J. Pressure Vessel Technol. November 1997, 119(4): 503–509.
DOI: https://doi.org/10.1115/1.2842337
Published Online: November 1, 1997
View Article titled, Round Robin Calculations of Collapse Loads—A Torispherical Pressure Vessel Head With a Conical Transition
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Topics: Collapse, Pressure vessels, Stress, ASME Standards, Computational methods, Cylinders, Regulations, Teams, Vessels