Bayesian assessments of aeroengine performance with transfer learning

P Seshadri, AB Duncan, G Thorne, G Parks… - Data-Centric …, 2022 - cambridge.org
Aeroengine performance is determined by temperature and pressure profiles along various
axial stations within an engine. Given limited sensor measurements, we require a …

Calculating Cooled Turbine Efficiency With Weighted Cooling Flow Distributions

RA Berdanier - Journal of Turbomachinery, 2023 - asmedigitalcollection.asme.org
The ability to accurately characterize the thermal efficiency of turbine stages with cooled
components is essential to advance turbine technologies. There are many methods for …

Digital twin assessments in virtual reality: An explorational study with aeroengines

SK Tadeja, Y Lu, P Seshadri… - 2020 IEEE aerospace …, 2020 - ieeexplore.ieee.org
We present an immersive environment where Virtual Reality (VR) is used to visualize the
performance of a fleet of aircraft engines. Our virtual environment uses 3D geometric …

Spatial flow-field approximation using few thermodynamic measurements—Part II: Uncertainty assessments

P Seshadri, A Duncan… - Journal of …, 2020 - asmedigitalcollection.asme.org
In this second part of our two-part paper, we provide a detailed, frequentist framework for
propagating uncertainties within our multivariate linear least squares model. This permits us …

Design space exploration of stagnation temperature probes via dimension reduction

AD Scillitoe, B Ubald… - … Expo: Power for …, 2020 - asmedigitalcollection.asme.org
The measurement of stagnation temperature is important for turbomachinery applications as
it is used in the calculation of component efficiency and engine specific fuel consumption …

Lessons learned toward estimating the high-pressure turbine inlet temperature profile using measurements acquired at the high-pressure turbine exit

X Zhu, K Zhou, X Zheng, F Lou - … of Engineering for …, 2023 - asmedigitalcollection.asme.org
To achieve higher thermal efficiency, gas turbines operate at increasingly higher turbine
inlet temperatures, leading to the need for advanced cooling methods such as film cooling …

Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine

RA Berdanier, MD Barringer… - Journal of …, 2024 - asmedigitalcollection.asme.org
Gas turbines are used in a broad range of aerospace and land-based applications from
power generation to aviation, and their usage is projected to continue to grow. It is therefore …

Resolving nonuniform flow in gas turbines: challenges, progress, and moving forward

F Lou - The Aeronautical Journal, 2024 - cambridge.org
The flow in gas turbines exhibits a highly unsteady, complex and nonuniform manner, which
presents two main challenges. Firstly, it introduces instrumentation errors, contributing to …

Bayesian mass averaging in rigs and engines

P Seshadri, A Duncan… - Journal of …, 2022 - asmedigitalcollection.asme.org
This paper introduces the Bayesian mass average and details its computation. Owing to the
complexity of flow in an engine and the limited instrumentation and the precision of the …

Strategies for High-Accuracy Measurements of Stage Efficiency for a Cooled Turbine

M Rozman, RA Berdanier… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Gas turbines are used in a broad range of aerospace and land-based applications from
power generation to aviation, and their usage is projected to continue to grow. As a result, it …