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Journal Articles

An Insight Into Wax Precipitation, Deposition, and Prevention Stratagem of Gas-Condensate Flow in Wellbore Region

Yunfei Xu, Zhihua Wang, Jiajun Hong, Bo Zhou, Hui Pu
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2023, 145(9): 093101.
Paper No: JERT-23-1056
https://doi.org/10.1115/1.4062084
Published Online: March 23, 2023
View Article titled, An Insight Into Wax Precipitation, Deposition, and Prevention Stratagem of Gas-Condensate Flow in Wellbore Region
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Topics: Condensed matter, Pressure, Temperature, Crystals, Fluids, Precipitation
Proceedings Papers

Criticality Study of Spent Fuel Storage Rack of Ship-Based Small Modular Reactor

Yaoxin Ye, Jun Zhao, Yunfei Xu
Proc. ASME. ICONE29, Volume 4: SMRs, Advanced Reactors, and Fusion, V004T04A037, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-93407
https://doi.org/10.1115/ICONE29-93407
View Paper titled, Criticality Study of Spent Fuel Storage Rack of Ship-Based Small Modular Reactor
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Topics: Ships, Small modular reactors, Spent fuel storage, Storage, Accidents, Boron, Deformation, Fuel storage, Fuels, Accounting
Journal Articles

An Experimental Study on Efficient Demulsification for Produced Emulsion in Alkaline/Surfactant/Polymer Flooding

Yang Song, Yunfei Xu, Zhihua Wang
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2022, 144(9): 093001.
Paper No: JERT-21-1818
https://doi.org/10.1115/1.4053136
Published Online: February 4, 2022
View Article titled, An Experimental Study on Efficient Demulsification for Produced Emulsion in Alkaline/Surfactant/Polymer Flooding
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Topics: Crude oil, Drops, Electric fields, Emulsions, Floods, Temperature, Water, Separation (Technology), Tertiary petroleum recovery, Optimization
Proceedings Papers

The Role of Emulsified Water in the Wax Deposition Path of a Waxy Crude Oil Multiphase Transportation Pipeline

Xinyu Lin, Zhihua Wang, Qingshan Feng, Lei Zhang, Yunfei Xu
Proc. ASME. APPC2019, ASME 2019 Asia Pacific Pipeline Conference, V001T01A002, May 15–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: APPC2019-7605
https://doi.org/10.1115/APPC2019-7605
View Paper titled, The Role of Emulsified Water in the Wax Deposition Path of a Waxy Crude Oil Multiphase Transportation Pipeline
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Topics: Crude oil, Drops, Multiphase flow, Pipelines, Transportation systems, Water
Proceedings Papers

Efficient Spatial Prediction Using Gaussian Markov Random Fields Under Uncertain Localization

Mahdi Jadaliha, Yunfei Xu, Jongeun Choi
Proc. ASME. DSCC2012-MOVIC2012, Volume 3: Renewable Energy Systems; Robotics; Robust Control; Single Track Vehicle Dynamics and Control; Stochastic Models, Control and Algorithms in Robotics; Structure Dynamics and Smart Structures; Surgical Robotics; Tire and Suspension Systems Modeling; Vehicle Dynamics and Control; Vibration and Energy; Vibration Control, 253-262, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8596
https://doi.org/10.1115/DSCC2012-MOVIC2012-8596
View Paper titled, Efficient Spatial Prediction Using Gaussian Markov Random Fields Under Uncertain Localization
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Topics: Algorithms, Approximation, Errors, Noise (Sound), Tradeoffs, Uncertainty
Proceedings Papers

Spatial Prediction With Mobile Sensor Networks Using Gaussian Process Regression Based on Gaussian Markov Random Fields

Yunfei Xu, Jongeun Choi
Proc. ASME. DSCC2011, ASME 2011 Dynamic Systems and Control Conference and Bath/ASME Symposium on Fluid Power and Motion Control, Volume 2, 173-180, October 31–November 2, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2011-6092
https://doi.org/10.1115/DSCC2011-6092
View Paper titled, Spatial Prediction With Mobile Sensor Networks Using Gaussian Process Regression Based on Gaussian Markov Random Fields
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Topics: Sensor networks, Algorithms, Statistics, Simulation results, Surveillance
Proceedings Papers

Optimal Neuromuscular Control of Spine Systems

Yunfei Xu, Jongeun Choi, N. Peter Reeves, Jacek Cholewicki
Proc. ASME. DSCC2009, ASME 2009 Dynamic Systems and Control Conference, Volume 1, 689-696, October 12–14, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2009-2575
https://doi.org/10.1115/DSCC2009-2575
View Paper titled, Optimal Neuromuscular Control of Spine Systems
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Topics: Closed loop systems, Control systems, Control theory, Delays, Design, Feedback, Robustness
Proceedings Papers

Optimal Coordination of Mobile Sensor Networks Using Gaussian Processes

Yunfei Xu, Jongeun Choi
Proc. ASME. DSCC2009, ASME 2009 Dynamic Systems and Control Conference, Volume 2, 435-442, October 12–14, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2009-2677
https://doi.org/10.1115/DSCC2009-2677
View Paper titled, Optimal Coordination of Mobile Sensor Networks Using Gaussian Processes
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Topics: Sensor networks, Errors, Navigation, Simulation results, Tradeoffs
Journal Articles

Optimal Control of the Spine System

Yunfei Xu, Jongeun Choi, N. Peter Reeves, Jacek Cholewicki
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. May 2010, 132(5): 051004.
https://doi.org/10.1115/1.4000955
Published Online: March 25, 2010
View Article titled, Optimal Control of the Spine System
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Topics: Closed loop systems, Control equipment, Control systems, Delays, Feedback, Muscle, Optimal control, Robustness, Design