ABSTRACT: This paper proposes a CFD method for simulating radial turbocharger turbine flows. A review is presented of the computational model in terms of meshing, mesh movement strategy, and computational algorithm in turbomachinery CFD simulations. A novel local mesh independence analysis is developed for this purpose.
Design and numerical simulation of radial inflow turbine of the ...
2023年3月1日 · The CFD simulation results of the radial inflow turbine show that can produced is 113.28 kW, and the total to total turbine efficiency is 81.63% at 70,000 RPM and 2.0 kg/s. However, in this study the turbine's design is targeted in around 40 kW.
Optimization design of radial inflow turbine combined with mean …
2024年3月15日 · The CFD model of the radial flow turbine was established to evaluate the reliability of the mean-line design. Based on the response surface optimization, the relationship between the inlet blade installation angle, the outlet blade installation angle and the turbine output power and efficiency was analyzed, and the optimal blade installation ...
A comprehensive preliminary design methodology and an …
2024年3月15日 · Radial-outflow turbines are recently considered as a viable power block option for sCO 2 power cycles for several applications. This research aims at presenting a detailed and replicable design procedure for radial-outflow turbines.
Two methods have been developed for the simulations: one rapid Single Blade Passage (SBP) model as well as a more detailed Full Turbine (FT) model. The macro based methodology described in the report has proven to reduce the set up time for the simulation of the radial turbine extracted from the performance code.
Detailed CFD models (multilevel grids, turbulence modeling) allow the turbine designer to estimate the real-world performance of a turbine stage in terms of total-static efficiency with satisfactory accuracy (±0.02 points) in comparison to test rig measurements.
Steady-state CFD calculation of a complete turbocharger radial turbine ...
2020年9月30日 · Radial turbines are used in automotive applications due to space restrictions: they are cheap, compact, and robust and correspond to the application requirements since they allow high
To this end, the open-source CFD code MULTALL has been used to predict the aerodynamic performance of optimal designs of radial-inflow turbines with different specific speed and diameter and working with air as ideal gas.
(PDF) CFD analyses of a radial inflow turbine - ResearchGate
2013年9月9日 · In this paper the performance characteristics of a turbocharger twin-entry radial inflow gas turbine with asymmetrical volute and rotor tip diameter of 73.6 mm in steady state and under full...
In the second part, brief description of a simplified one-dimensional model of the turbine is given. The final part presents a comparison of the results of numerical simulations using both the 3D CFD method and the 1D simplified model with the experimental data.