Surface temperature condition monitoring methods for aerospace turbomachinery: Exploring the use of ultrasonic guided waves
Turbine blades and nozzle guide vanes (NGVs) are operated at extreme temperatures in
order to maximise thermal efficiency and power output of an engine. In this paper the …
order to maximise thermal efficiency and power output of an engine. In this paper the …
[HTML][HTML] Are the available data from laboratory spray burners suitable for CFD modelling validations? A review
A systematic compilation and evaluation of turbulent spray flame combustion data acquired
from lab-scale spray-burners and CFD models validated with these are presented. Previous …
from lab-scale spray-burners and CFD models validated with these are presented. Previous …
[HTML][HTML] LES of a swirl-stabilized kerosene spray flame with a multi-component vaporization model and detailed chemistry
G Eckel, J Grohmann, L Cantu, N Slavinskaya… - Combustion and …, 2019 - Elsevier
Due to the introduction of alternative aviation fuels, new methods and models are necessary
which have the capability to predict the performance of combustors dependent on the fuel …
which have the capability to predict the performance of combustors dependent on the fuel …
Luminescence of YAG: Dy and YAG: Dy, Er crystals to 1700 C
SW Allison, DL Beshears, MR Cates… - Measurement …, 2020 - iopscience.iop.org
Reported here are measurements aimed at development of high temperature luminescence-
based fibre optic thermometry for temperatures up to at least 1700 C. Cylindrical crystal …
based fibre optic thermometry for temperatures up to at least 1700 C. Cylindrical crystal …
Luminescence of Triple Perovskite Ba3MgTa2O9:Dy3+ Up to 1100 °C
The luminescence response of Dy3+-doped Ba3MgTa2O9 (BMTO: Dy) between room
temperature and 1100° C was studied in the context of high-temperature thermosensitive …
temperature and 1100° C was studied in the context of high-temperature thermosensitive …
[HTML][HTML] High temperature thermographic phosphors YAG: Tm; Li and YAG: Dy in reduced oxygen environments
Phosphor thermometry for surface temperature measurements has become an established
remote thermometry technique. However, measuring at temperatures above 1700 K is still …
remote thermometry technique. However, measuring at temperatures above 1700 K is still …
Impact of methane and hydrogen-enriched methane pilot injection on the surface temperature of a scaled-down burner nozzle measured using phosphor thermometry
The surface temperature of a burner nozzle using three different pilot hardware
configurations was measured using lifetime phosphor thermometry with the ZnS: Ag …
configurations was measured using lifetime phosphor thermometry with the ZnS: Ag …
Automated phosphor thermometry lifetime calibration of multiple phosphors and emission lines to above 1900 K
A method is specified which enables lifetime calibration of multiple phosphors and emission
lines at the same time to temperatures above 1900 K. The experimental setup and algorithm …
lines at the same time to temperatures above 1900 K. The experimental setup and algorithm …
Chameleon swarm algorithm for data processing of a light-field multi-wavelength pyrometer
It is recognized that unknown emissivity and ill-posed radiation equations present significant
challenges to light-field multi-wavelength pyrometry. Furthermore, emissivity range and …
challenges to light-field multi-wavelength pyrometry. Furthermore, emissivity range and …
Applying Infrared Thermography as a Method for Online Monitoring of Turbine Blade Coolant Flow
E DeShong, B Peters… - Journal of …, 2022 - asmedigitalcollection.asme.org
As gas turbine engine manufacturers strive to implement condition-based operation and
maintenance, there is a need for blade monitoring strategies capable of early fault detection …
maintenance, there is a need for blade monitoring strategies capable of early fault detection …