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Rafael Ballesteros-Tajadura
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Proceedings Papers

Hot Wire Measurements During Rotating Stall in a Variable Pitch Axial Flow Fan

Eduardo Blanco-Marigorta, Rafael Ballesteros-Tajadura, Carlos Santolaria
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A114, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-441
https://doi.org/10.1115/96-GT-441
View Paper titled, Hot Wire Measurements During Rotating Stall in a Variable Pitch Axial Flow Fan
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Topics: Axial flow, Wire, Blades, Flow (Dynamics), Rotors, Probes
Proceedings Papers

Noise Prediction in HVAC Squirrel-Cage Fans by Unsteady Reynolds Navier-Stokes Computation

Sandra Velarde-Suárez, Rafael Ballesteros-Tajadura, Jesús Manuel Fernández Oro, José González
Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 103-112, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2012-72502
https://doi.org/10.1115/FEDSM2012-72502
View Paper titled, Noise Prediction in HVAC Squirrel-Cage Fans by Unsteady Reynolds Navier-Stokes Computation
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Topics: Computation, Fans, HVAC equipment, Noise (Sound), Computational fluid dynamics, Design, Automobiles, Blades, Computers, Flow instability
Proceedings Papers

Noise Prediction in HVAC Squirrel-Cage Fans by Unsteady Reynolds Navier-Stokes Computation

Israel Guerras Colo´n, Sandra Velarde-Sua´rez, Rafael Ballesteros-Tajadura, Jesu´s Manuel Ferna´ndez Oro, Jose´ Gonza´lez
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 947-956, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-23022
https://doi.org/10.1115/AJK2011-23022
View Paper titled, Noise Prediction in HVAC Squirrel-Cage Fans by Unsteady Reynolds Navier-Stokes Computation
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Topics: Computation, Fans, HVAC equipment, Noise (Sound), Computational fluid dynamics, Design, Automobiles, Blades, Computers, Flow instability
Journal Articles

Discussion: “A Novel Explicit Equation for Friction Factor in Smooth and Rough Pipes” ( Avci, A., and Karagoz, I., 2009, ASME J. Fluids Eng., 131, p. 061203 )

Rafael Ballesteros-Tajadura, José González
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. January 2011, 133(1): 015501.
https://doi.org/10.1115/1.4003157
Published Online: February 1, 2011
View Article titled, Discussion: “A Novel Explicit Equation for Friction Factor in Smooth and Rough Pipes” ( Avci, A., and Karagoz, I., 2009, ASME J. Fluids Eng., 131, p. 061203 )
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Topics: Friction, Pipes, Surface roughness, Fluids
Proceedings Papers

Numerical Model for the Unsteady Flow Features of a Squirrel Cage Fan

Rafael Ballesteros-Tajadura, Francisco Israel Guerras Colo´n, Sandra Velarde-Sua´rez, Jesu´s Manuel Ferna´ndez Oro, Katia Mari´a Argu¨elles Di´az, Jose´ Gonza´lez
Proc. ASME. FEDSM2009, Volume 2: Fora, 173-183, August 2–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2009-78479
https://doi.org/10.1115/FEDSM2009-78479
View Paper titled, Numerical Model for the Unsteady Flow Features of a Squirrel Cage Fan
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Topics: Computer simulation, Unsteady flow, Flow (Dynamics), Impellers, Blades, Ducts, Chords (Trusses), Computational fluid dynamics, Diffusers, Fluid dynamics
Proceedings Papers

Numerical Calculation of Wall Pressure Fluctuations in a Centrifugal Fan

Sandra Velarde-Sua´rez, Rafael Ballesteros-Tajadura, Juan Pablo Hurtado-Cruz, Carlos Santolaria-Morros
Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 1307-1314, July 11–15, 2004
Publisher: American Society of Mechanical Engineers
Paper No: HT-FED2004-56848
https://doi.org/10.1115/HT-FED2004-56848
View Paper titled, Numerical Calculation of Wall Pressure Fluctuations in a Centrifugal Fan
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Topics: Fluctuations (Physics), Pressure, Impellers, Blades, Computational fluid dynamics, Computer simulation, Flow (Dynamics), Machinery, Spectra (Spectroscopy), Unsteady flow
Proceedings Papers

Numerical Prediction of the Aerodynamic Tonal Noise in a Centrifugal Fan

Sandra Velarde-Sua´rez, Rafael Ballesteros-Tajadura, Carlos Santolaria-Morros, Joaqui´n Ferna´ndez-Francos
Proc. ASME. FEDSM2002, Volume 2: Symposia and General Papers, Parts A and B, 993-1000, July 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2002-31210
https://doi.org/10.1115/FEDSM2002-31210
View Paper titled, Numerical Prediction of the Aerodynamic Tonal Noise in a Centrifugal Fan
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Topics: Noise (Sound), Impellers, Blades, Computer simulation, Machinery, Unsteady flow
Proceedings Papers

Experimental Determination of the Tonal Noise Sources in a Centrifugal Fan

Sandra Velarde-Sua´rez, Rafael Ballesteros-Tajadura, Carlos Santolaria-Morros, Juan Pablo Hurtado-Cruz
Proc. ASME. FEDSM2003, Volume 2: Symposia, Parts A, B, and C, 1061-1065, July 6–10, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2003-45475
https://doi.org/10.1115/FEDSM2003-45475
View Paper titled, Experimental Determination of the Tonal Noise Sources in a Centrifugal Fan
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Topics: Noise (Sound), Flow (Dynamics), Pressure, Acoustics, Blades, Ducts, Impellers, Radiation (Physics), Signals, Sound pressure
Proceedings Papers

Reduction of the Aerodynamic Tonal Noise of a Forward-Curved Centrifugal Fan by Modification of the Volute Tongue Geometry

Sandra Velarde-Sua´rez, Rafael Ballesteros-Tajadura, Carlos Santolaria-Morros, Bruno Pereiras-Garci´a
Proc. ASME. FEDSM2005, Volume 2: Fora, 89-94, June 19–23, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2005-77436
https://doi.org/10.1115/FEDSM2005-77436
View Paper titled, Reduction of the Aerodynamic Tonal Noise of a Forward-Curved Centrifugal Fan by Modification of the Volute Tongue Geometry
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Topics: Geometry, Noise (Sound), Shapes, Acoustics, Air conditioning, Sound pressure, Test facilities
Proceedings Papers

Numerical Simulation of the Unsteady Flow Patterns in a Small Squirrel-Cage Fan

Sandra Velarde-Sua´rez, Rafael Ballesteros-Tajadura, Jose´ Gonza´lez-Pe´rez, Bruno Pereiras-Garci´a
Proc. ASME. FEDSM2006, Volume 2: Fora, 297-304, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98489
https://doi.org/10.1115/FEDSM2006-98489
View Paper titled, Numerical Simulation of the Unsteady Flow Patterns in a Small Squirrel-Cage Fan
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Topics: Computer simulation, Unsteady flow, Flow (Dynamics), Air conditioning, Blades, Impellers, Machinery, Pressure
Proceedings Papers

Prediction of the Aerodynamic Noise Generated by a Centrifugal Fan: Numerical Results and Experimental Validation

Rafael Ballesteros-Tajadura, Sandra Velarde-Sua´rez, Juan Pablo Hurtado-Cruz, Bruno Pereiras-Garci´a
Proc. ASME. FEDSM2006, Volume 2: Fora, 329-335, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98507
https://doi.org/10.1115/FEDSM2006-98507
View Paper titled, Prediction of the Aerodynamic Noise Generated by a Centrifugal Fan: Numerical Results and Experimental Validation
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Topics: Aerodynamic noise, Noise (Sound), Blades, Impellers, Computational fluid dynamics, Computer simulation, Fans, Flow (Dynamics), Fluids, Machinery
Proceedings Papers

Numerical 3D Simulation of a Longitudinal Ventilation System: Memorial Tunnel Case

Monica Galdo-Vega, Rafael Ballesteros-Tajadura, Carlos Santolaria-Morros
Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 297-304, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98259
https://doi.org/10.1115/FEDSM2006-98259
View Paper titled, Numerical 3D Simulation of a Longitudinal Ventilation System: Memorial Tunnel Case
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Topics: Simulation, Tunnels, Ventilation, Fire, Computer simulation, Smoke, Roads, Delays, Disasters, Fans
Journal Articles

Noise Prediction of a Centrifugal Fan: Numerical Results and Experimental Validation

Rafael Ballesteros-Tajadura, Sandra Velarde-Suárez, Juan Pablo Hurtado-Cruz
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2008, 130(9): 091102.
https://doi.org/10.1115/1.2953229
Published Online: August 12, 2008
View Article titled, Noise Prediction of a Centrifugal Fan: Numerical Results and Experimental Validation
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Topics: Blades, Flow (Dynamics), Impellers, Noise (Sound), Pressure, Fluctuations (Physics), Turbulence, Computation
Journal Articles

Turbulence and Secondary Flows in an Axial Flow Fan With Variable Pitch Blades

Jesús Manuel Fernández Oro, Rafael Ballesteros-Tajadura, Eduardo Blanco Marigorta, Katia María Argüelles Díaz, Carlos Santolaria Morros
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2008, 130(4): 041101.
https://doi.org/10.1115/1.2903523
Published Online: April 1, 2008
View Article titled, Turbulence and Secondary Flows in an Axial Flow Fan With Variable Pitch Blades
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Topics: Blades, Flow (Dynamics), Rotors, Turbulence, Wakes, Design, Filtration
Journal Articles

Numerical Calculation of Pressure Fluctuations in the Volute of a Centrifugal Fan

Rafael Ballesteros-Tajadura, Sandra Velarde-Suárez, Juan Pablo Hurtado-Cruz, Carlos Santolaria-Morros
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. March 2006, 128(2): 359–369.
https://doi.org/10.1115/1.2170121
Published Online: September 6, 2005
View Article titled, Numerical Calculation of Pressure Fluctuations in the Volute of a Centrifugal Fan
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Topics: Blades, Flow (Dynamics), Fluctuations (Physics), Impellers, Pressure, Computer simulation, Spectra (Spectroscopy)
Journal Articles

Total Unsteadiness Downstream of an Axial Flow Fan With Variable Pitch Blades

Sandra Velarde-Sua´rez, Associate Professor, Rafael Ballesteros-Tajadura, Associate Professor, Carlos Santolaria-Morros, Professor, Eduardo Blanco-Marigorta, Associate Professor
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. March 2002, 124(1): 280–283.
https://doi.org/10.1115/1.1427926
Published Online: September 10, 2001
View Article titled, Total Unsteadiness Downstream of an Axial Flow Fan With Variable Pitch Blades
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Topics: Axial flow, Blades, Flow (Dynamics), Rotors
Journal Articles

Unsteady Flow Pattern Characteristics Downstream of a Forward-Curved Blades Centrifugal Fan

Sandra Velarde-Sua´rez, Associate Professor, Rafael Ballesteros-Tajadura, Associate Professor, Carlos Santolaria-Morros, Professor, Jose´ Gonza´lez-Pe´rez, Assistant Professor
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. June 2001, 123(2): 265–270.
https://doi.org/10.1115/1.1351175
Published Online: December 11, 2000
View Article titled, Unsteady Flow Pattern Characteristics Downstream of a Forward-Curved Blades Centrifugal Fan
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Topics: Blades, Flow (Dynamics), Impellers, Unsteady flow
Journal Articles

Experimental Study on the Aeroacoustic Behavior of a Forward-Curved Blades Centrifugal Fan

Sandra Velarde-Sua´rez, Carlos Santolaria-Morros, Rafael Ballesteros-Tajadura
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. June 1999, 121(2): 276–281.
https://doi.org/10.1115/1.2822202
Published Online: June 1, 1999
View Article titled, Experimental Study on the Aeroacoustic Behavior of a Forward-Curved Blades Centrifugal Fan
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Topics: Blades, Noise (Sound), Fans, Flow (Dynamics), Impellers, Pressure, Aerodynamic noise, Design, Ear, Energy efficiency
Journal Articles

Angular Range and Uncertainty Analysis of Nonorthogonal Crossed Hot Wire Probes

Eduardo Blanco-Marigorta, Rafael Ballesteros-Tajadura, Carlos Santolaria
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1998, 120(1): 90–94.
https://doi.org/10.1115/1.2819669
Published Online: March 1, 1998
View Article titled, Angular Range and Uncertainty Analysis of Nonorthogonal Crossed Hot Wire Probes
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Topics: Probes, Uncertainty analysis, Wire, Flow (Dynamics), Uncertainty, Calibration, Design, Fluid mechanics, Turbomachinery