Future directions of high fidelity CFD for aerothermal turbomachinery analysis and design

GM Laskowski, J Kopriva, V Michelassi… - 46th AIAA fluid …, 2016 - arc.aiaa.org
Gas turbines are, and will continue to be, the backbone of narrow and wide body aircraft
propulsion. The main reason for the success of gas turbines is their power density, ie thrust …

Towards industrial large eddy simulation using the FR/CPR method

ZJ Wang, Y Li, F Jia, GM Laskowski, J Kopriva… - Computers & …, 2017 - Elsevier
Large eddy simulation (LES) has been shown to be very promising in computing vortex-
dominated turbulent flows. The proliferation of high-order methods capable of handling …

Local entropy generation in compressible flow through a high pressure turbine with delayed detached eddy simulation

D Lin, X Yuan, X Su - Entropy, 2017 - mdpi.com
Gas turbines are important energy-converting equipment in many industries. The flow inside
gas turbines is very complicated and the knowledge about the flow loss mechanism is …

DDES analysis of the wake vortex related unsteadiness and losses in the environment of a high-pressure turbine stage

D Lin, X Su, X Yuan - Journal of Turbomachinery, 2018 - asmedigitalcollection.asme.org
In this work, the flows inside a high-pressure turbine (HPT) vane and stage are studied with
a delayed detached eddy simulation (DDES) code. The fundamental nozzle/blade …

Accuracy, efficiency and scalability of explicit and implicit FR/CPR schemes in large eddy simulation

F Jia, ZJ Wang, R Bhaskaran, U Paliath… - Computers & …, 2019 - Elsevier
The accuracy, efficiency and scalability of explicit and implicit temporal schemes associated
with FR/CPR spatial schemes are studied in the context of large eddy simulation. One low …

On the importance of inlet boundary conditions for aerothermal predictions of turbine stages with large eddy simulation

F Duchaine, J Dombard, LYM Gicquel, C Koupper - Computers & Fluids, 2017 - Elsevier
The analysis of a combustion chamber effects on the aerodynamics and thermal loads
applied on a turbine stage is proposed. To do so, an integrated wall-modeled Large-Eddy …

Non-model-based identification of delamination in laminated composite plates using a continuously scanning laser Doppler vibrometer system

DM Chen, YF Xu, WD Zhu - … of Vibration and …, 2018 - asmedigitalcollection.asme.org
Delamination frequently occurs in a laminated composite structure and can cause prominent
local anomalies in curvature vibration shapes associated with vibration shapes of the …

Surface curvature effects on film cooling performance for shaped holes on a model turbine blade

JD Moore, C Yoon, DG Bogard - Journal of …, 2020 - asmedigitalcollection.asme.org
Surface curvature has been shown to have significant effects on the film cooling
performance of round holes, but the literature include few studies of its effects on shaped …

Evaluation of second-and high-order solvers in wall-resolved large-eddy simulation

F Jia, J Ims, ZJ Wang, J Kopriva, GM Laskowski - AIAA Journal, 2019 - arc.aiaa.org
In the context of wall-resolved industrial large-eddy simulation, a comparison is made
between a high-order flux reconstruction (FR)/correction procedure via reconstruction (CPR) …

Highly resolved LES of a linear HPT vane cascade using structured and unstructured codes

R Pichler, J Kopriva… - … Expo: Power for …, 2016 - asmedigitalcollection.asme.org
Conventionally meridian, RANS or URANS simulations are used in design. However, their
accuracy is not always satisfactory. Higher order methods like direct and large eddy …