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Proceedings Papers

Discrete Modeling of Flow and Heat Transfer in High-Temperature Gravity-Driven Granular Flows for Thermal Energy Storage

Ashreet Mishra, Ouidad Abourazzouk, Jian Zhao, Like Li
Proc. ASME. ES2024, ASME 2024 18th International Conference on Energy Sustainability, V001T06A007, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ES2024-131719
https://doi.org/10.1115/ES2024-131719
View Paper titled, Discrete Modeling of Flow and Heat Transfer in High-Temperature Gravity-Driven Granular Flows for Thermal Energy Storage
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Topics: Discrete element methods, Flow (Dynamics), Gravity (Force), Heat transfer, High temperature, Modeling, Particulate matter, Thermal energy storage
Proceedings Papers

Assessment of Fluidized Bed Heat Exchanger Techno Economics Considering Parasitic Pumping Power

Dylan J. Lerch, Nathan R. Schroeder
Proc. ASME. ES2024, ASME 2024 18th International Conference on Energy Sustainability, V001T06A006, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ES2024-131321
https://doi.org/10.1115/ES2024-131321
View Paper titled, Assessment of Fluidized Bed Heat Exchanger Techno Economics Considering Parasitic Pumping Power
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Topics: Economics , Fluidized beds, Heat exchangers, Particulate matter, Heat transfer, Heat transfer coefficients, Air flow, Energy consumption, Concentrating solar power, Design
Proceedings Papers

Optical Flow Diagnostics of Counter Fluidization of Gravity-Driven Moving Packed Bed for a CSP Receiver Section Featuring Staggered Array of Cylindrical Pins

Youssef Aider, Zhiwen Ma, Prashant Singh
Proc. ASME. ES2024, ASME 2024 18th International Conference on Energy Sustainability, V001T05A006, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: ES2024-131392
https://doi.org/10.1115/ES2024-131392
View Paper titled, Optical Flow Diagnostics of Counter Fluidization of Gravity-Driven Moving Packed Bed for a CSP Receiver Section Featuring Staggered Array of Cylindrical Pins
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Topics: Concentrating solar power, Flow (Dynamics), Flow visualization, Fluidization, Fluidized beds, Gravity (Force), Pins (Engineering), Bubbles, Fins, Algorithms
Proceedings Papers

Optical Performance Modeling and Analysis of a Tensile Ganged Heliostat Concept

Julius Yellowhair, Charles E. Andraka, Kenneth M. Armijo, Jesus D. Ortega, Jim Clair
Proc. ASME. ES2019, ASME 2019 13th International Conference on Energy Sustainability, V001T03A013, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ES2019-3933
https://doi.org/10.1115/ES2019-3933
View Paper titled, Optical Performance Modeling and Analysis of a Tensile Ganged Heliostat Concept
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Topics: Modeling, Cables, Mirrors, Shades and shadows, Motors, Stress, Wind, Design, Gravity (Force), Performance evaluation
Proceedings Papers

Development and Test of a Direct Contact Heat Exchanger (Particle - Air) for Industrial Process Heat Applications

Johannes Hertel, Miriam Ebert, Lars Amsbeck, Birgit Gobereit, Jens Rheinländer, Alexander Hirt, Cathy Frantz
Proc. ASME. ES2019, ASME 2019 13th International Conference on Energy Sustainability, V001T07A001, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ES2019-3818
https://doi.org/10.1115/ES2019-3818
View Paper titled, Development and Test of a Direct Contact Heat Exchanger (Particle - Air) for Industrial Process Heat Applications
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Topics: Heat, Heat exchangers, Particulate matter, Flow (Dynamics), Temperature, Design, Engineering prototypes, High temperature, Absorption, Air flow
Proceedings Papers

Utilization of Hydro-Turbines in Wastewater Treatment Plants (WWTPs)

Ahmad I. Abbas, Mohammad D. Qandil, Muhannad R. Al-Haddad, Mandana S. Saravani, Ryoichi S. Amano
Proc. ASME. ES2018, ASME 2018 12th International Conference on Energy Sustainability, V001T01A003, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ES2018-7349
https://doi.org/10.1115/ES2018-7349
View Paper titled, Utilization of Hydro-Turbines in Wastewater Treatment Plants (WWTPs)
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Topics: Hydraulic turbines, Wastewater treatment, Computational fluid dynamics, Flow (Dynamics), Computer software, Energy / power systems, Gravity (Force), Water
Proceedings Papers

Effective Thermal Conductivity of Wall-Adjacent Layer in Gravity-Driven Vertical Dense Granular Flows

Megan F. Watkins, Yesaswi N. Chilamkurti, Richard D. Gould
Proc. ASME. ES2018, ASME 2018 12th International Conference on Energy Sustainability, V001T11A005, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ES2018-7464
https://doi.org/10.1115/ES2018-7464
View Paper titled, Effective Thermal Conductivity of Wall-Adjacent Layer in Gravity-Driven Vertical Dense Granular Flows
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Topics: Flow (Dynamics), Gravity (Force), Thermal conductivity, Heat transfer, Particulate matter, Fluids, Thermal resistance, Concentrating solar power, Discrete element methods, Engineering simulation
Proceedings Papers

Heat Transfer to Vertical Dense Granular Flows at High Operating Temperatures

Megan F. Watkins, Richard D. Gould
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T05A005, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ES2017-3272
https://doi.org/10.1115/ES2017-3272
View Paper titled, Heat Transfer to Vertical Dense Granular Flows at High Operating Temperatures
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Topics: Flow (Dynamics), Heat transfer, Operating temperature, Particulate matter, Ceramics, Heat transfer coefficients, Temperature, Concentrating solar power, Fluids, Gravity (Force)
Proceedings Papers

Mechanical Modal Phenomena of a Ganged Heliostat

Kenneth M. Armijo, Jesus D. Ortega, Adam Moya, Joshua Christian, Gregory Peacock, Charles Andraka, Julius Yellowhair, Jim Clair
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T05A014, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ES2017-3635
https://doi.org/10.1115/ES2017-3635
View Paper titled, Mechanical Modal Phenomena of a Ganged Heliostat
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Topics: Actuators, Cables, Computer software, Concentrating solar power, Deformation, Design, Errors, Finite element analysis, Gravity (Force), Mirrors
Proceedings Papers

Track and Tilt Collection for Central Receiver CSP

Roger Angel, Justin Hyatt
Proc. ASME. ES2016, Volume 1: Biofuels, Hydrogen, Syngas, and Alternate Fuels; CHP and Hybrid Power and Energy Systems; Concentrating Solar Power; Energy Storage; Environmental, Economic, and Policy Considerations of Advanced Energy Systems; Geothermal, Ocean, and Emerging Energy Technologies; Photovoltaics; Posters; Solar Chemistry; Sustainable Building Energy Systems; Sustainable Infrastructure and Transportation; Thermodynamic Analysis of Energy Systems; Wind Energy Systems and Technologies, V001T04A019, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ES2016-59618
https://doi.org/10.1115/ES2016-59618
View Paper titled, Track and Tilt Collection for Central Receiver CSP
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Topics: Bearings, Bridges (Structures), Cables, Cavities, Energy generation, Engineering prototypes, Glass, Gravity (Force), Heat, Heat transfer
Proceedings Papers

Combustion Characteristics of Butanol-Soybean Oil Blended Droplets

Reilly Schoo, Alison Hoxie, Joel Braden
Proc. ASME. ES2014, Volume 2: Economic, Environmental, and Policy Aspects of Alternate Energy; Fuels and Infrastructure, Biofuels and Energy Storage; High Performance Buildings; Solar Buildings, Including Solar Climate Control/Heating/Cooling; Sustainable Cities and Communities, Including Transportation; Thermofluid Analysis of Energy Systems, Including Exergy and Thermoeconomics, V002T04A001, June 30–July 2, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ES2014-6320
https://doi.org/10.1115/ES2014-6320
View Paper titled, Combustion Characteristics of Butanol-Soybean Oil Blended Droplets
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Topics: Combustion, Drops, Ignition, Temperature, Flames, Fuels, Shrinkage (Materials), Superheating, Temperature measurement, Atmospheric pressure
Proceedings Papers

Compensation of Gravity Induced Heliostat Deflections for Improved Optical Performance

James K. Yuan, Joshua M. Christian, Clifford K. Ho
Proc. ASME. ES2013, ASME 2013 7th International Conference on Energy Sustainability, V001T03A009, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ES2013-18245
https://doi.org/10.1115/ES2013-18245
View Paper titled, Compensation of Gravity Induced Heliostat Deflections for Improved Optical Performance
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Topics: Deflection, Gravity (Force), Finite element analysis, Shapes, Mirrors, Modeling, Computer software, Construction, Solar energy, Test facilities
Proceedings Papers

Finite Element Modeling of Parabolic Trough Mirror Shape in Different Mirror Angles

Siw Meiser, Christoph Kleine-Büning, Ralf Uhlig, Eckhard Lüpfert, Björn Schiricke, Robert Pitz-Paal
Proc. ASME. ES2012, ASME 2012 6th International Conference on Energy Sustainability, Parts A and B, 429-435, July 23–26, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ES2012-91264
https://doi.org/10.1115/ES2012-91264
View Paper titled, Finite Element Modeling of Parabolic Trough Mirror Shape in Different Mirror Angles
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Topics: Finite element analysis, Mirrors, Modeling, Parabolic troughs, Shapes, Deformation, Gravity (Force), Optimization, Power stations, Solar energy
Proceedings Papers

Parametric Analysis of Parasitic Pressure Drop and Heat Losses for a Parabolic Trough With Considerations of Varying Aperture Sizes and Receiver Sizes

Kyle W. Glenn, Clifford K. Ho, Gregory J. Kolb
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 537-546, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54210
https://doi.org/10.1115/ES2011-54210
View Paper titled, Parametric Analysis of Parasitic Pressure Drop and Heat Losses for a Parabolic Trough With Considerations of Varying Aperture Sizes and Receiver Sizes
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Topics: Heat losses, Parabolic troughs, Pressure drop, Matlab, Heat, Heat flux, Heat transfer, Accounting, Computers, Electricity (Physics)
Proceedings Papers

Modeling and Validation of Heliostat Deformation due to Static Loading

Adam C. Moya, Clifford K. Ho
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 547-555, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54216
https://doi.org/10.1115/ES2011-54216
View Paper titled, Modeling and Validation of Heliostat Deformation due to Static Loading
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Topics: Concentrating solar power, Deformation, Displacement, Finite element analysis, Finite element model, Gravity (Force), Model validation, Modeling, Simulation, Solar energy
Proceedings Papers

Finite Element Modeling and Ray Tracing of Parabolic Trough Collectors for Evaluation of Optical Intercept Factors With Gravity Loading

Joshua M. Christian, Clifford K. Ho
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 577-585, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54238
https://doi.org/10.1115/ES2011-54238
View Paper titled, Finite Element Modeling and Ray Tracing of Parabolic Trough Collectors for Evaluation of Optical Intercept Factors With Gravity Loading
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Topics: Finite element analysis, Gravity (Force), Modeling, Parabolic troughs, Ray tracing, Errors, Deformation, Finite element model, Manufacturing, Shapes
Proceedings Papers

Design of a Novel High Temperature Gravity-Fed Solar Thermochemical Reactor for Solar-Fuels Production: Case Study - ZnO Powder

Erik Koepf, Suresh G. Advani, Ajay K. Prasad
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 1607-1616, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54204
https://doi.org/10.1115/ES2011-54204
View Paper titled, Design of a Novel High Temperature Gravity-Fed Solar Thermochemical Reactor for Solar-Fuels Production: Case Study - ZnO Powder
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Topics: Design, Fuels, Gravity (Force), High temperature, Solar energy, Hydrogen, Sunlight, Water, Cycles, Carbon
Proceedings Papers

Affordable Universal Solar Tracker

Michael R. Dehmlow
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 653-661, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54379
https://doi.org/10.1115/ES2011-54379
View Paper titled, Affordable Universal Solar Tracker
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Topics: Solar energy, Teams, Design, Accelerometers, Batteries, Clocks, Computers, Data acquisition systems, Fuels, Gravity (Force)
Proceedings Papers

Finite Element Modeling of Concentrating Solar Collectors for Evaluation of Gravity Loads, Bending, and Optical Characterization

Joshua M. Christian, Clifford K. Ho
Proc. ASME. ES2010, ASME 2010 4th International Conference on Energy Sustainability, Volume 2, 475-481, May 17–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ES2010-90050
https://doi.org/10.1115/ES2010-90050
View Paper titled, Finite Element Modeling of Concentrating Solar Collectors for Evaluation of Gravity Loads, Bending, and Optical Characterization
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Topics: Finite element analysis, Gravity (Force), Modeling, Solar collectors, Stress, Mirrors, Errors, Shapes, Parabolic troughs, Concentrating solar power
Proceedings Papers

Submicron Superhydrophobic Surface Treatment Suitable for High Performance Condensers: A Modeling

Sunwoo Kim, Kwang J. Kim, John M. Kennedy, Jiong Liu, Ganesh Skandan
Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 1, 797-804, July 19–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ES2009-90166
https://doi.org/10.1115/ES2009-90166
View Paper titled, Submicron Superhydrophobic Surface Treatment Suitable for High Performance Condensers: A Modeling
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Topics: Coating processes, Coatings, Condensation, Condensers (steam plant), Copper, Drops, Gravity (Force), Heat conduction, Heat transfer, Modeling