A review of thermal spectral imaging methods for monitoring high-temperature molten material streams

K Grujić - Sensors, 2023 - mdpi.com
Real-time closed-loop control of metallurgical processes is still in its infancy, mostly based
on simple models and limited sensor data and challenged by extreme temperature and …

Effects of ethanol and 2, 5-dimethylfuran addition on the morphology and nanostructure evolution of soot in gasoline primary reference fuel-air coflow diffusion flames

H Chu, Y Ya, X Nie, Y Zhou, J Hu, S Dong, E Jiaqiang - Fuel, 2020 - Elsevier
The sediment morphology and oxidation activity of soot at different heights above the burner
are studied for three fuels. The three fuels are n-heptane/iso-octane mixtures (0% 2, 5 …

On the measurement of flame temperature and emissivity based on multispectral imaging technique

S Zheng, W Cai, C Zhao, D Li, J Zhang, Q Lu - Measurement, 2022 - Elsevier
Due to the low spatial resolution of spectrometer and low spectral resolution of CCD, a multi-
wavelength radiation thermometry method employing multispectral imaging technology was …

Spatially and temporally resolved temperature measurements in counterflow flames using a single interband cascade laser

D Wen, Y Wang - Optics Express, 2020 - opg.optica.org
Spatially and temporally resolved temperatures are measured in counterflow diffusion
flames with a tunable diode laser absorption spectroscopy (TDLAS) technique based on …

3-D soot temperature and volume fraction reconstruction of afterburner flame via deep learning algorithms

M Dai, B Zhou, J Zhang, R Cheng, Q Liu, R Zhao… - Combustion and …, 2023 - Elsevier
D soot temperature and volume fraction reconstruction of afterburner flame has been based
on spectrally resolved measurement methods and inverse problem theory. So far, the …

Fast Emissivity Measuring Apparatus With Adjustable Focusing and Field Calibration

B Zhao, K Zhang, K Yu, Y Liu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A fast emissivity measuring apparatus in the range of 1.4–with adjustable focusing and field
calibration has been developed in this article. Benefiting from the portable, fast, and efficient …

Online measurement of the flame temperature and emissivity during biomass volatile combustion using spectral thermometry and image thermometry

W Yan, K Li, X Huang, L Yu, C Lou, Y Chen - Energy & Fuels, 2019 - ACS Publications
In this paper, a method for the simultaneous measurement of the flame temperature and
emissivity using spectral thermometry and image thermometry was proposed; experiments …

Computed tomography imaging spectrometry based on superiorization and guided image filtering

W Han, Q Wang, W Cai - Optics Letters, 2021 - opg.optica.org
Computed tomography imaging spectrometry (CTIS) is a snapshot hyperspectral imaging
technique that can obtain a three-dimensional (2D+λ) data cube of the target scene within a …

Super-resolution computed tomography imaging spectrometry

L Yuan, Q Song, H Liu, K Heggarty, W Cai - Photonics research, 2023 - opg.optica.org
Computed tomography imaging spectrometry (CTIS) is a snapshot spectral imaging
technique that relies on a limited number of projections of the target data cube (2D spatial …

Investigation of sooting flames by color-ratio pyrometry with a consumer-grade DSLR camera

A Sankaranarayanan, U Swami… - Review of Scientific …, 2021 - pubs.aip.org
The accurate measurement of temperature in sooty flames remains a challenging task. In
this study, the procedure for calibration and use of a consumer-grade digital single-lens …