Houli Liu

In-situ synthesis of Cu-SUZ-4 catalysts for solar-driven photothermal NH3-SCR reaction

Xueli Chen, Zhengrong Zhao, Xuan Liu, Xinping Shen et autres

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Quantitative Prediction of Coal–Gangue Content Using Terahertz Time-Domain Spectroscopy and Physics-Informed Machine Learning

Zeping Liu, Lipeng Hu, Jianfei Xu, Yadong Yang et autres

Quantitative determination of gangue content is important for efficient coal use and intelligent coal–gangue separation. We combine transmission terahertz time-domain spectroscopy (THz-TDS), multidomain feature fusion, and machine learning to predict gangue mass fraction in coal–gangue mixtures. Time- and frequency-domain signals, refractive index, …

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Application of Terahertz Technology in Food Safety: Rice Origin–Variety Classification Based on Spectral Analysis and Machine Learning

Dongdong Ye, Xiaochang Yuan, Jianfei Xu, Chengjun Wang et autres

Food security serves as a vital cornerstone for social stability. As one of the most important staple crops globally, the quality and geographical origin of rice are directly associated with consumer health. Traditional methods for classifying rice by origin and variety rely …

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Quantitative Detection of CMAS Thickness on Thermal Barrier Coatings via Terahertz Technology Combined with Machine Learning

Dongdong Ye, Zhijun Zhang, Jianfei Xu, Xinchun Huang et autres

Modern turbine engines, when operating at high temperatures, can inhale calcium–magnesium–alumina–silicate particles (CaO-MgO-Al2O3-SiO2, CMAS) from the air, which can erode the thermal barrier coatings on the blade surface, affecting the service life of the thermal barrier coatings and, in severe cases, leading …

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In-situ Synthesis of Cu-SUZ-4 Catalysts for Sunlight-Driven NH₃-SCR reaction

Xueli Chen, Zhengrong Zhao, Xuan Liu, Xinping Shen et autres

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Performance Study and Machine Learning Model Evaluation of Embedded Micro-Agglomerated Particle TBCs Based on Plasma-Spraying Process

Shuheng Xu, Zhou Xu, Changdong Yin, Yiwen Wu et autres

The spraying process affects the microstructure and service life of thermal barrier coatings. In this work, by changing the plasma-spraying process, the second-phase micron-agglomerated particles were introduced to prepare embedded micron-agglomerated particle thermal barrier coatings. Conventional thermal barrier coatings and embedded micron-agglomerated …

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Research on the Relationship Between the Microstructure of Embedded Micro-Agglomerated Particle TBCs and Their Sintering Resistance Based on a Data-Mechanism Hybrid Driving Model

Dongdong Ye, Shuheng Xu, Zhou Xu, Jiabao Pan et autres

The distribution morphology and density of micro-agglomerated particles are the main microstructural characteristics of embedded micro-agglomerated particle thermal barrier coatings. The study of their effect on the sintering resistance of coatings can help to further improve the service life of thermal barrier …

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Research on Modified Thermal Barrier Coatings Against CMAS Corrosion Driven by Mechanism–Data Hybrid Model

Dongdong Ye, Feixiang Wu, Zhou Xu, Yiwen Wu et autres

With the development of high-efficiency gas turbine engines and increasing inlet temperatures, the performance of thermal barrier coatings (TBCs) for hot-section components has been more severely challenged. The doping of multi-element rare earth elements significantly improves the thermodynamic properties and chemical compatibility …

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Terahertz Non-Destructive Testing of Porosity in Multi-Layer Thermal Barrier Coatings Based on Small-Sample Data

Dongdong Ye, Zhou Xu, Houli Liu, Zhijun Zhang et autres

Accurately characterizing the internal porosity rate of thermal barrier coatings (TBCs) was essential for prolonging their service life. This work concentrated on atmospheric plasma spray (APS)-prepared TBCs and proposed the utilization of terahertz non-destructive detection technology to evaluate their internal porosity rate. …

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Terahertz Nondestructive Measurement of Heat Radiation Performance of Thermal Barrier Coatings Based on Hybrid Artificial Neural Network

Zhou Xu, Changdong Yin, Yiwen Wu, Houli Liu et autres

Effective control of the micro- and nanostructure of thermal barrier coatings is essential to enhance the thermal radiation performance of the coating, which helps to determine the remaining service life of the coating. This paper proposed a method to measure the radiation …

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Many-body effects on terahertz quantum well detectors

Xiaolu Guo, Zhiyong Tan, Jun Cao, Houli Liu

Many-body effects have been investigated in the design of terahertz quantum well photon detectors. A large discrepancy between the theoretical and experimental photoresponse peak positions exist without considering the many-body interactions. The calculated results agree with the experimental data quantitatively with including …

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