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Proceedings Papers

A Method to Develop Radial Inflow Turbine Performance Maps for Off-Design and Dynamic Simulation Studies of sCO2 Cycles

Colin du Sart, Pieter Rousseau, Ryno Laubscher
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A030, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127958
https://doi.org/10.1115/GT2024-127958
View Paper titled, A Method to Develop Radial Inflow Turbine Performance Maps for Off-Design and Dynamic Simulation Studies of sCO2 Cycles
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Topics: Cycles, Design, Inflow, Simulation, Turbines, Fluids, Turbomachinery, Boundary-value problems, Brayton cycle, Concentrating solar power
Journal Articles

Integrated Performance of a Modular Biomass Boiler With a Combined Heat and Power Industrial Rankine Cycle and Supplementary sCO 2 Brayton Cycle

Rashid A. Haffejee, Pieter Rousseau, Ryno Laubscher
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2024, 16(9): 091001.
Paper No: TSEA-24-1069
https://doi.org/10.1115/1.4065491
Published Online: May 23, 2024
View Article titled, Integrated Performance of a Modular Biomass Boiler With a Combined Heat and Power Industrial Rankine Cycle and Supplementary sCO 2 Brayton Cycle
Open the PDF for Integrated Performance of a Modular Biomass Boiler With a Combined Heat and Power Industrial Rankine Cycle and Supplementary sCO 2 Brayton Cycle in another window
Topics: Boilers, Brayton cycle, Cycles, Flow (Dynamics), Flue gases, Fuels, Furnaces, Heat, Heat exchangers, Heat transfer
Proceedings Papers

Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver

Ryno Laubscher, Pieter Rousseau, Chris Meyer
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81768
https://doi.org/10.1115/GT2022-81768
View Paper titled, Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver
Open the PDF for Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver in another window
Topics: Artificial neural networks, Computational fluid dynamics, Inviscid flow, Modeling, Partial differential equations, Physics, Shock (Mechanics), Wedges, Architecture, Equations of state
Journal Articles

Estimation of Simulated Left Ventricle Elastance Using Lumped Parameter Modelling and Gradient-Based Optimization With Forward-Mode Automatic Differentiation Based on Synthetically Generated Noninvasive Data

Ryno Laubscher, Johan Van Der Merwe, Philip Herbst, Jacques Liebenberg
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2023, 145(2): 021008.
Paper No: BIO-22-1179
https://doi.org/10.1115/1.4055565
Published Online: October 6, 2022
View Article titled, Estimation of Simulated Left Ventricle Elastance Using Lumped Parameter Modelling and Gradient-Based Optimization With Forward-Mode Automatic Differentiation Based on Synthetically Generated Noninvasive Data
Open the PDF for Estimation of Simulated Left Ventricle Elastance Using Lumped Parameter Modelling and Gradient-Based Optimization With Forward-Mode Automatic Differentiation Based on Synthetically Generated Noninvasive Data in another window
Topics: Cardiovascular system, Errors, Flow (Dynamics), Optimization, Pressure, Sensitivity analysis, Valves
Journal Articles

Application of Computational Fluid Dynamics and Process Modeling to Investigate Low-Load Operation of a Subcritical Utility-Scale Boiler

Brad T. Rawlins, Ryno Laubscher, Pieter Rousseau
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. October 2022, 14(10): 101008.
Paper No: TSEA-21-1636
https://doi.org/10.1115/1.4054010
Published Online: April 11, 2022
View Article titled, Application of Computational Fluid Dynamics and Process Modeling to Investigate Low-Load Operation of a Subcritical Utility-Scale Boiler
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Topics: Boilers, Combustion, Computational fluid dynamics, Furnaces, Modeling, Stress, Temperature, Firing, Particulate matter, Steam
Proceedings Papers

A Co-Simulation Approach to Modeling Air-Cooled Condensers in Windy Conditions

Ruan Engelbrecht, Ryno Laubscher, Johan van der Spuy
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16047
https://doi.org/10.1115/GT2020-16047
View Paper titled, A Co-Simulation Approach to Modeling Air-Cooled Condensers in Windy Conditions
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Topics: Computational fluid dynamics, Condensers (steam plant), Modeling, Simulation, Wind