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Journal Articles

Experimental Investigation of a Thermally Responsive Actuator Based on Metallic Molybdenum Disulfide: A Conceptual Analysis

Haowen Li, Huachao Yang, Chenxuan Xu, Xiangnan Cheng, Jianhua Yan, Kefa Cen, Zheng Bo, Kostya (Ken) Ostrikov
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Design Innovation Paper
J. Thermal Sci. Eng. Appl. December 2022, 14(12): 125001.
Paper No: TSEA-21-1518
https://doi.org/10.1115/1.4055152
Published Online: August 24, 2022
View Article titled, Experimental Investigation of a Thermally Responsive Actuator Based on Metallic Molybdenum Disulfide: A Conceptual Analysis
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Topics: Actuators, Molybdenum, Temperature, Cycles, Weight (Mass), Muscle, Thermomechanics
Journal Articles

Application of the Perforated Plate in Passive Control of the Nonpremixed Swirl Combustion Instability Under Acoustic Excitation

Sheng Meng, Hao Zhou, Kefa Cen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2019, 141(9): 091007.
Paper No: GTP-19-1028
https://doi.org/10.1115/1.4043848
Published Online: June 5, 2019
View Article titled, Application of the Perforated Plate in Passive Control of the Nonpremixed Swirl Combustion Instability Under Acoustic Excitation
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Topics: Acoustics, Combustion, Plates (structures), Excitation, Flames, Flow (Dynamics)
Journal Articles

Effects of Hydrothermal Modification on Sulfur Release of Low-Quality Coals During Thermal Transformation Process

Qian Li, Zhihua Wang, Zhenmin Lin, Yong He, Kang Zhang, Sunel Kumar, Kefa Cen
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. July 2018, 140(7): 072201.
Paper No: JERT-17-1137
https://doi.org/10.1115/1.4039268
Published Online: February 27, 2018
View Article titled, Effects of Hydrothermal Modification on Sulfur Release of Low-Quality Coals During Thermal Transformation Process
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Topics: Coal, Combustion, Pyrolysis, Sulfur, Temperature
Proceedings Papers

Experimental Investigation on the Influence of Air Velocity on the Particle Dispersion Behavior of Rice Husk in a Fuel-Rich/Lean Burner

Weichen Ma, Hao Zhou, Kefa Cen
Proc. ASME. POWER2017-ICOPE-17, Volume 1: Boilers and Heat Recovery Steam Generator; Combustion Turbines; Energy Water Sustainability; Fuels, Combustion and Material Handling; Heat Exchangers, Condensers, Cooling Systems, and Balance-of-Plant, V001T04A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3329
https://doi.org/10.1115/POWER-ICOPE2017-3329
View Paper titled, Experimental Investigation on the Influence of Air Velocity on the Particle Dispersion Behavior of Rice Husk in a Fuel-Rich/Lean Burner
Open the PDF for Experimental Investigation on the Influence of Air Velocity on the Particle Dispersion Behavior of Rice Husk in a Fuel-Rich/Lean Burner in another window
Topics: Fuels, Particulate matter, Biomass, Emissions, Pollution, Coal, Combustion chambers, Filters, Firing, Flow (Dynamics)
Proceedings Papers

Experimental Study of Spray Flame Characteristics in Hot-Diluted Oxidant Through Advanced Image Processing Technique

Yuan Li, Hao Zhou, Ning Li, Kefa Cen
Proc. ASME. POWER2017-ICOPE-17, Volume 1: Boilers and Heat Recovery Steam Generator; Combustion Turbines; Energy Water Sustainability; Fuels, Combustion and Material Handling; Heat Exchangers, Condensers, Cooling Systems, and Balance-of-Plant, V001T04A033, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3351
https://doi.org/10.1115/POWER-ICOPE2017-3351
View Paper titled, Experimental Study of Spray Flame Characteristics in Hot-Diluted Oxidant Through Advanced Image Processing Technique
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Topics: Flames, Image processing, Sprays, Flow (Dynamics), Oxygen, Brightness (Photometry), Fuels, Temperature, Combustion, Air flow
Proceedings Papers

Large-Eddy Simulation of Alkali Metal Reacting Dynamics in a Preheated Pulverized-Coal Jet Flame Using Tabulated Chemistry

Kaidi Wan, Zhihua Wang, Luc Vervisch, Jun Xia, Yingzu Liu, Yong He, Kefa Cen
Proc. ASME. POWER2017-ICOPE-17, Volume 2: I&C, Digital Controls, and Influence of Human Factors; Plant Construction Issues and Supply Chain Management; Plant Operations, Maintenance, Aging Management, Reliability and Performance; Renewable Energy Systems: Solar, Wind, Hydro and Geothermal; Risk Management, Safety and Cyber Security; Steam Turbine-Generators, Electric Generators, Transformers, Switchgear, and Electric BOP and Auxiliaries; Student Competition; Thermal Hydraulics and Computational Fluid Dynamics, V002T13A004, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3212
https://doi.org/10.1115/POWER-ICOPE2017-3212
View Paper titled, Large-Eddy Simulation of Alkali Metal Reacting Dynamics in a Preheated Pulverized-Coal Jet Flame Using Tabulated Chemistry
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Topics: Alkali metals, Chemistry, Coal, Dynamics (Mechanics), Flames, Large eddy simulation, Sodium, Combustion, Turbulence, Modeling
Journal Articles

Enhanced Critical Heat Flux During Quenching of Extremely Dilute Aqueous Colloidal Suspensions With Graphene Oxide Nanosheets

Liang Zhang, Zitao Yu, Danyang Li, Liwu Fan, Yuanzheng Zhu, Ronghua Hong, Yacai Hu, Jianren Fan, Kefa Cen
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. May 2013, 135(5): 054502.
Paper No: HT-12-1193
https://doi.org/10.1115/1.4023304
Published Online: April 9, 2013
View Article titled, Enhanced Critical Heat Flux During Quenching of Extremely Dilute Aqueous Colloidal Suspensions With Graphene Oxide Nanosheets
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Topics: Critical heat flux, Graphene, Nanofluids, Quenching (Metalworking), Water, Boiling, Pool boiling
Journal Articles

Soot Optical Properties in the Terahertz Spectra Domain

Fei Wang, Ting Xu, Zhishen Qiang, Qunxing Huang, Dong Liu, Jianhua Yan, Kefa Cen
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. July 2012, 134(7): 074501.
https://doi.org/10.1115/1.4006034
Published Online: May 18, 2012
View Article titled, Soot Optical Properties in the Terahertz Spectra Domain
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Topics: Flames, Refractive index, Soot, Waves, Combustion, Absorption, Wavelength, Spectra (Spectroscopy), Terahertz spectroscopy
Proceedings Papers

The Large Capacity Pulverized Coal Fired Utility Boiler and the Low NOx Combustion Technology Developments in China in Response to Environmental Challenges

Hao Zhou, Guiyuan Mo, Kefa Cen
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 735-740, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55473
https://doi.org/10.1115/POWER2011-55473
View Paper titled, The Large Capacity Pulverized Coal Fired Utility Boiler and the Low NOx Combustion Technology Developments in China in Response to Environmental Challenges
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Topics: Boilers, China, Coal, Combustion, Combustion technologies, Nitrogen oxides
Proceedings Papers

CO Concentration Measurement in the High Temperature Flame With Tunable Diode Laser Absorption Spectroscopy

Ting Xu, Fei Wang, Zhishen Jiang, Jianhua Yan, Kefa Cen, Ke Yuan, Huiping Xiao
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 271-276, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55452
https://doi.org/10.1115/POWER2011-55452
View Paper titled, CO Concentration Measurement in the High Temperature Flame With Tunable Diode Laser Absorption Spectroscopy
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Topics: Absorption spectroscopy, Flames, High temperature, Lasers
Proceedings Papers

Laser-Induced Emission of Ultrafine Particulates Evolved by Pulverized Coal Pyrolysis

Linghong Chen, Zhenyan Pan, Kefa Cen, Kunzan Qiu, Gerard Grehan
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 2, 733-738, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55449
https://doi.org/10.1115/POWER2011-55449
View Paper titled, Laser-Induced Emission of Ultrafine Particulates Evolved by Pulverized Coal Pyrolysis
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Topics: Coal, Emissions, Lasers, Particulate matter, Pyrolysis
Proceedings Papers

Performance Optimization of Silicon Cells by Solar Spectrum Splitting Technology

Tao Wang, Chunhui Shou, Cheng Wang, Zhongyang Luo, Mingjiang Ni, Kefa Cen
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 2, 467-474, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55453
https://doi.org/10.1115/POWER2011-55453
View Paper titled, Performance Optimization of Silicon Cells by Solar Spectrum Splitting Technology
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Topics: Filters, Optimization, Silicon, Solar energy, Solar spectrum, Thin films
Proceedings Papers

Combining Fuel Rich/Lean Burner With the Small Heavy Oil Gun Ignition Techniques Makes Pulverized Coal-Fired Boiler More Efficient

Guiyuan Mo, Hao Zhou, Feng Chen, Hong Yin, Kunzan Qiu, Kefa Cen
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 277-279, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55472
https://doi.org/10.1115/POWER2011-55472
View Paper titled, Combining Fuel Rich/Lean Burner With the Small Heavy Oil Gun Ignition Techniques Makes Pulverized Coal-Fired Boiler More Efficient
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Topics: Boilers, Coal, Flames, Fuels, Ignition, Stability
Proceedings Papers

Improving Micro Combustor Stability With External Heating

Zhijun Zhou, Yang Wang, Weijuan Yang, Junhu Zhou, Jianzhong Liu, Zhihua Wang, Kefa Cen
Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2, 175-180, December 18–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MNHMT2009-18047
https://doi.org/10.1115/MNHMT2009-18047
View Paper titled, Improving Micro Combustor Stability With External Heating
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Topics: Combustion chambers, Heat, Heat losses, Heating, Stability
Proceedings Papers

Effect of Stress Wave Scattering at the Liquid-Particle Interface on Viscosity Calculation of Nanocolloidal Dispersions

Tao Wang, Xinwei Wang, Haiping Hong, Zhongyang Luo, Kefa Cen
Proc. ASME. MNHT2008, ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B, 1-7, June 6–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MNHT2008-52067
https://doi.org/10.1115/MNHT2008-52067
View Paper titled, Effect of Stress Wave Scattering at the Liquid-Particle Interface on Viscosity Calculation of Nanocolloidal Dispersions
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Topics: Disperse systems, Particulate matter, Scattering (Physics), Stress, Viscosity
Proceedings Papers

Thermal Characterization of Micro/Nanoscale Conductive and Nonconductive Wires by Transient Photo-Electro-Thermal Technique

Tao Wang, Xinwei Wang, Jiaqi Guo, Zhongyang Luo, Kefa Cen
Proc. ASME. MNHT2008, ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer, Parts A and B, 1119-1127, June 6–9, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MNHT2008-52068
https://doi.org/10.1115/MNHT2008-52068
View Paper titled, Thermal Characterization of Micro/Nanoscale Conductive and Nonconductive Wires by Transient Photo-Electro-Thermal Technique
Open the PDF for Thermal Characterization of Micro/Nanoscale Conductive and Nonconductive Wires by Transient Photo-Electro-Thermal Technique in another window
Topics: Nanoscale phenomena, Thermal characterization, Transients (Dynamics), Wire, Thermal diffusivity, Single-walled carbon nanotubes, Fibers, Laser beams, Textiles, Electrical resistance
Proceedings Papers

Development of Coal Partial Gasification and Combustion System

Yaoxin Liu, Libin Yang, Mengxiang Fang, Guanyi Chen, Zhongyang Luo, Kefa Cen
Proc. ASME. GT2004, Volume 7: Turbo Expo 2004, 119-129, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-54064
https://doi.org/10.1115/GT2004-54064
View Paper titled, Development of Coal Partial Gasification and Combustion System
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Topics: Coal, Combustion, Combustion systems, Fuel gasification
Proceedings Papers

Experimental Study for NO x Reduction Using Four Chinese Pulverized Coals

Zhihua Wang, Junhu Zhou, Jun Cheng, Hao Zhou, Kefa Cen
Proc. ASME. POWER2005, ASME 2005 Power Conference, 1417-1420, April 5–7, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PWR2005-50331
https://doi.org/10.1115/PWR2005-50331
View Paper titled, Experimental Study for NO x Reduction Using Four Chinese Pulverized Coals
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Topics: Coal, Nitrogen oxides, Fuels, Carbon, China, Heat, Particulate matter, Temperature
Proceedings Papers

Biohydrogen Production From Food Waste by Anaerobic Fermentation

Jun Cheng, Junhu Zhou, Binfei Xie, Lin Xie, Jianzhong Liu, Kefa Cen
Proc. ASME. POWER2005, ASME 2005 Power Conference, 1433-1436, April 5–7, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PWR2005-50334
https://doi.org/10.1115/PWR2005-50334
View Paper titled, Biohydrogen Production From Food Waste by Anaerobic Fermentation
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Topics: Food products, Ethanol, Methane, Boiling, Carbon dioxide, Gas chromatography, Hydrogen, Water
Proceedings Papers

Development of Gas Steam and Power Multi-Generation System

Mengxiang Fang, Qinghui Wang, Chunjiang Yu, Zhenglun Shi, Zhongyang Luo, Kefa Cen
Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 37-48, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78021
https://doi.org/10.1115/FBC2005-78021
View Paper titled, Development of Gas Steam and Power Multi-Generation System
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Topics: Steam, Coal, Fluidized beds, Combustion chambers, Fuel gasification, Gaseous fuels, Heating, Boilers, Combined heat and power, Combustion