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Ricardo Martinez-Botas
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Proceedings Papers

Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point

Jinhong Wang, Teng Cao, Ricardo Martinez-Botas
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A002, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122056
https://doi.org/10.1115/GT2024-122056
View Paper titled, Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point
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Topics: Ducts, Entropy, Flow (Dynamics), Fluids, Gases, Leakage flows, Nuclides, Pressure, Supercritical carbon dioxide, Temperature
Journal Articles

Supercritical Carbon Dioxide Shock Behavior Near the Critical Point

Jinhong Wang, Teng Cao, Ricardo Martinez-Botas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011010.
Paper No: GTP-23-1414
https://doi.org/10.1115/1.4063384
Published Online: October 25, 2023
View Article titled, Supercritical Carbon Dioxide Shock Behavior Near the Critical Point
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Topics: Shock (Mechanics), Fluids, Carbon dioxide, Algorithms, Mach number
Proceedings Papers

Supercritical Carbon Dioxide Shock Behaviour Near the Critical Point

Jinhong Wang, Teng Cao, Ricardo Martinez-Botas
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100956
https://doi.org/10.1115/GT2023-100956
View Paper titled, Supercritical Carbon Dioxide Shock Behaviour Near the Critical Point
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Topics: Fluids, Shock (Mechanics), Supercritical carbon dioxide
Proceedings Papers

Hysteresis Effect of Volute on Compressor Performance Under Pulsating Flow Condition

Yoshihiro Hayashi, Aakeen Parikh, Maria Esperanza Barrera-Medrano, Ricardo Martinez-Botas
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102332
https://doi.org/10.1115/GT2023-102332
View Paper titled, Hysteresis Effect of Volute on Compressor Performance Under Pulsating Flow Condition
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Topics: Compressors, Pulsatile flow
Proceedings Papers

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Aakeen Parikh, Pablo Ale-Martos, Maria Esperanza Barrera-Medrano, Yoshihiro Hayashi, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81968
https://doi.org/10.1115/GT2022-81968
View Paper titled, Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge
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Topics: Compressors, Flow (Dynamics), Surges, Unsteady flow, Pulsatile flow, Stability, Boundary-value problems, Cycles, Dynamic response, Engines
Proceedings Papers

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Bijie Yang, Yingxian Xue, Ricardo Martinez-Botas, Mingyang Yang
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82255
https://doi.org/10.1115/GT2022-82255
View Paper titled, Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations
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Topics: Gasdynamics, Pressure, Turbines, Flow (Dynamics), Engines, Computational fluid dynamics, Pistons, Unsteady flow, Carbon dioxide, Design methodology
Proceedings Papers

Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications

Aakeen Parikh, Gunin Singh, Chris Noon, Harminder Flora, Ricardo Martinez-Botas
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81976
https://doi.org/10.1115/GT2022-81976
View Paper titled, Design and Development of a Fast Response Torque Meter for Unsteady Flows in Turbocharger Applications
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Topics: Design, Torquemeters, Turbochargers, Unsteady flow, Torque, Compressors, Torque measurement, Boundary-value problems, Construction, Generators
Proceedings Papers

Influence of Real Gas Properties on Loss in a Super Critical CO 2 (sCO 2 ) Centrifugal Compressor

Ruikai Cai, Mingyang Yang, Kangyao Deng, Weilin Zhuge, Bijie Yang, Ricardo Martinez-Botas, Tao Chen
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82151
https://doi.org/10.1115/GT2022-82151
View Paper titled, Influence of Real Gas Properties on Loss in a Super Critical CO 2 (sCO 2 ) Centrifugal Compressor
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Topics: Carbon dioxide, Compressors
Proceedings Papers

Optimisation of an ORC Radial Turbine Using a Reduced-Order Model Coupled With CFD

Eva Alvarez-Regueiro, Bijie Yang, Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Srithar Rajoo
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80944
https://doi.org/10.1115/GT2022-80944
View Paper titled, Optimisation of an ORC Radial Turbine Using a Reduced-Order Model Coupled With CFD
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Topics: Computational fluid dynamics, Optimization, Organic Rankine cycle, Turbines, Flow (Dynamics), Geometry, Design, Fluids, Algorithms, Cycles
Journal Articles

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Bijie Yang, Yingxian Xue, Ricardo Martinez-Botas, Mingyang Yang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031013.
Paper No: TURBO-22-1223
https://doi.org/10.1115/1.4055644
Published Online: October 20, 2022
View Article titled, Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations
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Topics: Computational fluid dynamics, Flow (Dynamics), Pressure, Rotors, Turbines, Geometry
Journal Articles

Modeling of Dynamic Response of a Radial Turbine to Pulsatile Incoming Flow

Mingyang Yang, Yingxian Xue, Lei Pan, Bijie Yang, Ricardo Martinez-Botas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031005.
Paper No: TURBO-22-1066
https://doi.org/10.1115/1.4055641
Published Online: October 17, 2022
View Article titled, Modeling of Dynamic Response of a Radial Turbine to Pulsatile Incoming Flow
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Topics: Flow (Dynamics), Torque, Turbines, Rotors, Modeling
Journal Articles

Optimization of an Organic Ranking Cycle Radial Turbine Using a Reduced-Order Model Coupled With Computational Fluid Dynamics

Eva Alvarez-Regueiro, Bijie Yang, Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Srithar Rajoo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101012.
Paper No: GTP-22-1286
https://doi.org/10.1115/1.4055359
Published Online: September 12, 2022
View Article titled, Optimization of an Organic Ranking Cycle Radial Turbine Using a Reduced-Order Model Coupled With Computational Fluid Dynamics
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Topics: Blades, Design, Flow (Dynamics), Geometry, Nozzles, Optimization, Rotors, Turbines, Computational fluid dynamics, Pressure
Journal Articles

TURBODYNA: A Generic One-Dimensional Dynamic Simulator for Radial Turbomachinery

Bijie Yang, Mengying Shu, Ricardo Martinez-Botas, Mingyang Yang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2022, 144(9): 091002.
Paper No: GTP-22-1069
https://doi.org/10.1115/1.4055018
Published Online: July 28, 2022
View Article titled, TURBODYNA: A Generic One-Dimensional Dynamic Simulator for Radial Turbomachinery
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Topics: Compressors, Flow (Dynamics), Modeling, Pressure, Rotors, Surges, Turbines, Turbomachinery, Turbochargers, Geometry
Journal Articles

One-Dimensional Modeling for Pulsed Flow Twin-Entry Turbine

Bijie Yang, Ricardo Martinez-Botas, Yingxian Xue, Mingyang Yang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071012.
Paper No: TURBO-21-1201
https://doi.org/10.1115/1.4053489
Published Online: March 3, 2022
View Article titled, One-Dimensional Modeling for Pulsed Flow Twin-Entry Turbine
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Topics: Flow (Dynamics), Modeling, Pressure, Rotors, Turbines, Computational fluid dynamics
Proceedings Papers

One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine

Bijie Yang, Ricardo Martinez-Botas, Yingxian Xue, Mingyang Yang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60069
https://doi.org/10.1115/GT2021-60069
View Paper titled, One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine
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Topics: Flow (Dynamics), Modeling, Turbines, Pressure, Turbochargers, Computational fluid dynamics, Energy conservation, Engines, Exhaust systems, Internal combustion engines
Proceedings Papers

Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications

Eva Alvarez-Regueiro, Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Srithar Rajoo
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60239
https://doi.org/10.1115/GT2021-60239
View Paper titled, Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications
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Topics: Numerical analysis, Pressure, Turbines, Design, Rotors, Blades, Computational fluid dynamics, Computer simulation, Fibers, Deformation
Proceedings Papers

Flow Field Analysis and Optimized Design of a Centrifugal Compressor Volute

Pablo Ale Martos, Maria Esperanza Barrera-Medrano, Ricardo Martinez-Botas, Isao Tomita, Tadashi Kanzaka, Seiichi Ibaraki
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A037, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59879
https://doi.org/10.1115/GT2021-59879
View Paper titled, Flow Field Analysis and Optimized Design of a Centrifugal Compressor Volute
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Topics: Compressors, Design, Flow (Dynamics), Surges, Automotive engines, Carbon, Design methodology, Engines, Impellers, Pressure
Journal Articles

Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimization of Turbocharger Design

Karl Hohenberg, Ricardo Martinez-Botas, Piotr Łuczyński, Carola Freytag, Manfred Wirsum
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101008.
Paper No: GTP-20-1693
https://doi.org/10.1115/1.4051488
Published Online: September 3, 2021
View Article titled, Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimization of Turbocharger Design
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Topics: Design, Errors, Flow (Dynamics), Turbines, Turbochargers, Optimization, Rotors, Engines, Pressure, Computational fluid dynamics
Proceedings Papers

Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimisation of Turbocharger Design

Karl Hohenberg, Ricardo Martinez-Botas, Piotr Łuczyński, Carola Freytag, Manfred Wirsum
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15698
https://doi.org/10.1115/GT2020-15698
View Paper titled, Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimisation of Turbocharger Design
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Topics: Design, Engines, Optimization, Turbines, Turbochargers, Accounting, Dynamometers, Errors, Experimental methods, Flow (Dynamics)
Journal Articles

Experimental and Numerical Study of Supersonic Non-ideal Flows for Organic Rankine Cycle Applications

Miles Robertson, Peter Newton, Tao Chen, Aaron Costall, Ricardo Martinez-Botas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2020, 142(8): 081007.
Paper No: GTP-20-1054
https://doi.org/10.1115/1.4046758
Published Online: July 31, 2020
View Article titled, Experimental and Numerical Study of Supersonic Non-ideal Flows for Organic Rankine Cycle Applications
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Topics: Computational fluid dynamics, Design, Flow (Dynamics), Fluids, Nozzles, Organic Rankine cycle, Pressure, Refrigerants, Simulation, Temperature