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Ruel A. Overfelt
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Proceedings Papers

Study of the Apparent Viscosity of Fluidized Sand

Sayavur I. Bakhtiyarov, Ruel A. Overfelt, Shashikiran Reddy
Proc. ASME. IMECE96, Rheology and Fluid Mechanics of Nonlinear Materials, 243-249, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0248
https://doi.org/10.1115/IMECE1996-0248
View Paper titled, Study of the Apparent Viscosity of Fluidized Sand
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Topics: Sands, Viscosity, Air flow, Complex systems, Energy dissipation, Entrance region, Flow (Dynamics), Foundry sand, Molding, Particulate matter
Proceedings Papers

Rheological and Thermal Properties of Phenolic Resin and Polymeric Isocyanate and Their Blends

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE97, Rheology and Fluid Mechanics of Nonlinear Materials, 73-77, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0475
https://doi.org/10.1115/IMECE1997-0475
View Paper titled, Rheological and Thermal Properties of Phenolic Resin and Polymeric Isocyanate and Their Blends
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Topics: Resins, Rheology, Thermal properties, Elasticity, Flow (Dynamics), Thrust
Proceedings Papers

Rheology of Suspensions in Reduced Gravity

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE98, Rheology and Fluid Mechanics of Nonlinear Materials, 13-18, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0441
https://doi.org/10.1115/IMECE1998-0441
View Paper titled, Rheology of Suspensions in Reduced Gravity
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Topics: Gravity (Force), Rheology, Sands, Viscosity, Flight, Aircraft, Containers, Flow (Dynamics), Instrumentation, Shear rate
Proceedings Papers

Velocity, Potential, and Temperature Distributions in Molten Metals During Electromagnetic Stirring: Part II — Numerical Simulations

Amnon J. Meir, Paul G. Schmidt, Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 87-96, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1173
https://doi.org/10.1115/IMECE1999-1173
View Paper titled, Velocity, Potential, and Temperature Distributions in Molten Metals During Electromagnetic Stirring: Part II — Numerical Simulations
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Topics: Boundary-value problems, Buoyancy, Computer simulation, Containers, Current density, Cylinders, Electromotive force, Finite element methods, Flow (Dynamics), Fluids
Proceedings Papers

Rheological Measurements on Molten Metals

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 21-29, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1163
https://doi.org/10.1115/IMECE1999-1163
View Paper titled, Rheological Measurements on Molten Metals
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Topics: Metals, Rheology, Viscosity, Alloys, Composite materials, Liquid metals, Melting
Proceedings Papers

Velocity, Potential, and Temperature Distributions in Molten Metals During Electromagnetic Stirring: Part I — Experimental Measurements

Sayavur I. Bakhtiyarov, Ruel A. Overfelt, Amnon J. Meir, Paul G. Schmidt
Proc. ASME. IMECE99, Rheology and Fluid Mechanics of Nonlinear Materials, 127-135, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1177
https://doi.org/10.1115/IMECE1999-1177
View Paper titled, Velocity, Potential, and Temperature Distributions in Molten Metals During Electromagnetic Stirring: Part I — Experimental Measurements
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Topics: Metals, Temperature distribution, Aluminum, Containers, Magnetic induction, Alloys, Calibration, Flow (Dynamics), Melting, Probes
Proceedings Papers

Numerical Simulation of Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 11-15, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/FED-24901
https://doi.org/10.1115/IMECE2001/FED-24901
View Paper titled, Numerical Simulation of Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting
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Topics: Casting, Computer simulation, Metals, Flow (Dynamics), Computer software, Dynamics (Mechanics), Engineering simulation, Iron casting (Process), Liquid metals, Multiphase flow
Proceedings Papers

Experimental Study of EPS Decomposition in Lost Foam Casting Process

Ying Liu, Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 79-84, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/FED-24911
https://doi.org/10.1115/IMECE2001/FED-24911
View Paper titled, Experimental Study of EPS Decomposition in Lost Foam Casting Process
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Topics: Casting, Differential scanning calorimetry, Heat, Heating, Pressure, Temperature
Proceedings Papers

Numerical Study of Mold Filling Dynamics in “Cold-Box” Sand Coremaking Process

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 17-24, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/FED-24902
https://doi.org/10.1115/IMECE2001/FED-24902
View Paper titled, Numerical Study of Mold Filling Dynamics in “Cold-Box” Sand Coremaking Process
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Topics: Coremaking, Dynamics (Mechanics), Sands, Flow (Dynamics), Computation, Computational fluid dynamics, Computer simulation, Engineering simulation, Fluids, Simulation
Proceedings Papers

Numerical Simulations of Fluid Flow During Electromagnetic Stirring of Metals

Sorin G. Teodorescu, Mihai Dupac, Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 159-163, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/FED-24920
https://doi.org/10.1115/IMECE2001/FED-24920
View Paper titled, Numerical Simulations of Fluid Flow During Electromagnetic Stirring of Metals
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Topics: Computer simulation, Fluid dynamics, Metals, Magnetic fields, Electrical conductivity, Electromagnetic induction, Torque
Proceedings Papers

Decomposed EPS Gases Pressure Measurements in Iron Lost Foam Casting Process

Ying Liu, Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2001, Rheology and Fluid Mechanics of Nonlinear Materials, 71-78, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/FED-24910
https://doi.org/10.1115/IMECE2001/FED-24910
View Paper titled, Decomposed EPS Gases Pressure Measurements in Iron Lost Foam Casting Process
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Topics: Casting, Gases, Iron, Pressure measurement, Pressure, Temperature, Computer-aided engineering, Fluctuations (Physics), Freezing, Liquid metals
Proceedings Papers

Measurements of Decomposed EPS Gases Pressure and Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting Process: Part 2—Rectangular Bars Casting

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2000, Rheology and Fluid Mechanics of Nonlinear Materials, 79-85, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1935
https://doi.org/10.1115/IMECE2000-1935
View Paper titled, Measurements of Decomposed EPS Gases Pressure and Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting Process: Part 2—Rectangular Bars Casting
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Topics: Casting, Gases, Metals, Pressure, Liquid metals, Computer-aided engineering, Flow (Dynamics), Fluctuations (Physics), Heat, Nodular iron
Proceedings Papers

Experimental Study of Multiphase Flow in Cold Box Core Process

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2000, Rheology and Fluid Mechanics of Nonlinear Materials, 59-64, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2709
https://doi.org/10.1115/IMECE2000-2709
View Paper titled, Experimental Study of Multiphase Flow in Cold Box Core Process
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Topics: Hardening (Curing), Machinery, Multiphase flow, Permeability, Pressure, Pressure measurement, Resins, Safety, Sands, Vents
Proceedings Papers

Measurements of Decomposed EPS Gases Pressure and Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting Process: Part 1—Disconnect Casting

Sayavur I. Bakhtiyarov, Ruel A. Overfelt
Proc. ASME. IMECE2000, Rheology and Fluid Mechanics of Nonlinear Materials, 71-77, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2711
https://doi.org/10.1115/IMECE2000-2711
View Paper titled, Measurements of Decomposed EPS Gases Pressure and Molten Metal-Polymeric Foam Interface Velocity During Lost Foam Casting Process: Part 1—Disconnect Casting
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Topics: Casting, Gases, Metals, Pressure, Vacuum, Gravity (Force), Compacting, Computer-aided engineering, Flow (Dynamics), Fluctuations (Physics)
Proceedings Papers

Electromagnetic Levitator at Space Power Institute, Auburn University

Bogdan O. Ciocirlan, Dan B. Marghitu, David G. Beale, Ruel A. Overfelt
Proc. ASME. IMECE2000, Dynamic Systems and Control: Volume 1, 469-476, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-2337
https://doi.org/10.1115/IMECE2000-2337
View Paper titled, Electromagnetic Levitator at Space Power Institute, Auburn University
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Topics: Control systems, Fuzzy logic, Gravity (Force), Instrumentation, Levitation
Proceedings Papers

Electromagnetic Levitation: A Nonlinear Analysis Approach

Bogdan O. Ciocirlan, Dan B. Marghitu, David G. Beale, Ruel A. Overfelt
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2823-2832, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8363
https://doi.org/10.1115/DETC99/VIB-8363
View Paper titled, Electromagnetic Levitation: A Nonlinear Analysis Approach
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Topics: Levitation, Drops, Nonlinear dynamics, Attractors, Dimensions, Dynamics (Mechanics), Instrumentation, Time series
Proceedings Papers

Finite Element Analysis and Fuzzy Logic Control of a Levitated Droplet

Bogdan O. Ciocirlan, David G. Beale, Dan B. Marghitu, Ruel A. Overfelt
Proc. ASME. IDETC-CIE2000, Volume 1: 20th Computers and Information in Engineering Conference, 539-542, September 10–13, 2000
Publisher: American Society of Mechanical Engineers
Paper No: DETC2000/CIE-14677
https://doi.org/10.1115/DETC2000/CIE-14677
View Paper titled, Finite Element Analysis and Fuzzy Logic Control of a Levitated Droplet
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Topics: Drops, Finite element analysis, Fuzzy logic, Control equipment, Design, Electromagnetic fields, Finite element methods
Journal Articles

Microstructurally Mediated Changes in Fracture Characteristics for Electrochemically Hydrogenated 4340 Steel

Mobbassar Sk Hassan, Ruel A. Overfelt
Journal: Materials Performance and Characterization
Publisher: ASTM International
Article Type: Research-Article
Matls. Perf. Charact.. February 2015, 4(2): 68–83.
Paper No: MPC20140026
https://doi.org/10.1520/MPC20140026
Published Online: February 28, 2015
View Article titled, Microstructurally Mediated Changes in Fracture Characteristics for Electrochemically Hydrogenated 4340 Steel
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Proceedings Papers

Spectral-Directional Emittance of High Temperature Oxidized Aluminum

George Teodorescu, Peter D. Jones, Ruel A. Overfelt, Baojian Guo
Proc. ASME. HT2005, Heat Transfer: Volume 1, 53-56, July 17–22, 2005
Publisher: American Society of Mechanical Engineers
Paper No: HT2005-72828
https://doi.org/10.1115/HT2005-72828
View Paper titled, Spectral-Directional Emittance of High Temperature Oxidized Aluminum
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Topics: Aluminum, High temperature, Augers, Cavities, Electron spectroscopy, Emissions, Fourier transforms, Metal surfaces, Photoelectron spectroscopy, Surface roughness
Proceedings Papers

Spectral-Directional Emittance of CuO at High Temperatures

Peter D. Jones, George Teodorescu, Ruel A. Overfelt
Proc. ASME. HT-FED2004, Volume 1, 11-19, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56050
https://doi.org/10.1115/HT-FED2004-56050
View Paper titled, Spectral-Directional Emittance of CuO at High Temperatures
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Topics: Copper, Emissions, High temperature, Mirrors, Temperature, Wavelength, X-ray diffraction