Three-dimensional inhomogeneous temperature tomography of confined-space flame coupled with wall radiation effect by instantaneous light field

Z Niu, H Qi, B Gao, L Wei, Y Ren, M He… - International Journal of …, 2023 - Elsevier
Optical tomography has been demonstrated to be a powerful tool for the three-dimensional
(3D) measurement of the dynamic characteristics of turbulent flame. Many practical …

Nonlinear multispectral tomographic absorption deflection spectroscopy based on Bayesian estimation for spatially resolved multiparameter measurement in methane …

Z Niu, H Qi, Z Zhu, Y Ren, M He, B Gao - Fuel, 2024 - Elsevier
In aerospace propulsion systems with high temperature, pressure, and distortion,
inhomogeneous thermophysical gradients can cause line-of-sight deflection and spectral …

Three-dimensional temperature field inversion calculation based on an artificial intelligence algorithm

D Lu, C Wang - Applied Thermal Engineering, 2023 - Elsevier
An increasing number of practical problems in heat transfer area are attributed to inverse
heat transfer problems (IHTPs). One of the typical applications of the inverse problem is the …

Accurate estimation of the optical properties of nanofluids for solar energy harvesting using the null-collision forward Monte Carlo method

ZY Zhu, H Qi, ZT Niu, JW Shi, BH Gao, YT Ren - Renewable Energy, 2023 - Elsevier
Nanofluid is commonly used in solar energy systems for its excellent physical properties. Its
optical properties play an important role in enhancing the performance of the solar energy …

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 …

Optimization of transducer array for cross-sectional velocity field reconstruction in acoustic tomography

J Zhang, H Qi, B Gao, M He, Y Ren… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
As a part of industrial process tomography, acoustic tomography (AT) is a promising method
for high-quality velocity field measurement, which is widely utilized in the monitoring of …

Efficient and robust CNN-LSTM prediction of flame temperature aided light field online tomography

ZT Niu, H Qi, AT Sun, YT Ren, MJ He… - Science China …, 2024 - Springer
Light field tomography, an optical combustion diagnostic technology, has recently attracted
extensive attention due to its easy implementation and non-intrusion. However, the …

Development of a micro-infrared thermometry method for surface temperature distribution and variation of millimeter particle during high-temperature reaction

H Zhang, Z Shen, J Xu, Q Liang, Z Dai, J Gong… - … Communications in Heat …, 2024 - Elsevier
Temperature strongly affects the conversion efficiency, local reactivity, and particle
stabilization of the reactions, particularly at high temperature. This study integrated infrared …

Integrated Infrared Radiation Characteristics of Aircraft Skin and the Exhaust Plume

J Zhang, H Qi, D Jiang, B Gao, M He, Y Ren, K Li - Materials, 2022 - mdpi.com
Infrared radiation (IR) characteristics are important parameters for detecting, identifying, and
striking military targets in the context of systematic countermeasures. Accurate calculation of …

Lp-norm relaxation approach for 3D measurement via instantaneous light field of ethylene premixed flames

BH Gao, ZT Niu, JW Shi, YT Ren, JY Liu, H Qi - Measurement, 2024 - Elsevier
Optical imaging technology based on flame spontaneous radiation is a promising tool for
combustion diagnosis. However, the existing radiation thermometry technology faces the …