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Emergency response in cascading scenarios triggered by natural events

Ricci, Federica (author), Yang, M. (author), Reniers, G.L.L.M.E. (author), Cozzani, Valerio (author)

Emergency response is a procedural safety barrier of paramount importance for the mitigation of fire scenarios and the prevention of escalation. However, in Natech scenarios, emergency response may be affected by the natural event impacting the site. Indeed, when contrasting Natech accidents, emergency responders have to face both the natural...

journal article 2024

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Insights into the effect of susceptor rotational speed in CVD reactor on the quality of 4H-SiC epitaxial layer on homogeneous substrates

Tang, Zhuorui (author), Gu, Lin (author), Jin, Lei (author), Dai, Kefeng (author), Mao, Chaobin (author), Wu, Sanzhong (author), Zhang, Rongwei (author), Yang, Jinsong (author), Zhang, Kouchi (author)

In this work, 4H-SiC homoepitaxial layers were grown on 4°off-axis substrates at different susceptor rotation speeds by using a hot-wall horizontal CVD reactor. The effect of different susceptor rotation speed on the quality of 4H-SiC epitaxial layers in terms of thickness, thickness uniformity, crystallinity, surface morphology and...

journal article 2024

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Identification and Suppression of Multicomponent Noise in Audio Magnetotelluric Data Based on Convolutional Block Attention Module

Zhang, Liang (author), Li, Guang (author), Chen, Huang (author), Tang, Jingtian (author), Yang, Guanci (author), Yu, Mingbiao (author), Hu, Yong (author), Xu, Jun (author), Sun, J. (author)

Audio magnetotelluric (AMT) is commonly used in mineral resource exploration. However, the weak energy of AMT signals makes them susceptible to being overwhelmed by noise, leading to erroneous geophysical interpretations. In recent years, deep learning has been applied to AMT denoising and has shown better denoising performance compared to...

journal article 2024

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On the post-impact fatigue behavior and theoretical life prediction of CF/PEEK-titanium hybrid laminates using an energy dissipation approach

Ji, C. (author), Hu, Jiqiang (author), Alderliesten, R.C. (author), Yang, Jinchuan (author), Zhou, Zhengong (author), Sun, Yuguo (author), Wang, Bing (author)

This paper aims to illustrate the effect of the impact damage on fatigue behavior of CF/PEEK-titanium hybrid laminates. To achieve this end, a fatigue life model was proposed to predict the S–N curves of the laminates at various initial impact energy levels and stress ratios based on the energy dissipation approach. The energy dissipation...

journal article 2024

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Dynamic risk assessment of chemical process systems using the System-Theoretic accident model and process approach (STAMP) in combination with cascading failure propagation model (CFPM)

Sun, Hao (author), Wang, Haiqing (author), Yang, M. (author), Reniers, G.L.L.M.E. (author)

To maintain continuous production, chemical plant operators may ignore faults or handle faults online rather than shutting down process systems. However, interaction and interdependence links between components in a digitalized process system are substantial. Thus, faults will be propagated to downstream nodes, potentially leading to risk...

journal article 2024

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Screening of representative rainfall event series for long-term hydrological performance evaluation of grassed swales

Yang, F. (author), Fu, Dafang (author), Zevenbergen, C. (author), Boogaard, Floris C. (author), Singh, Rajendra Prasad (author)

Evaluation of the hydrological performance of grassed swales usually needs long-term monitoring data. At present, suitable techniques for simulating the hydrological performance using limited monitoring data are not available. Therefore, current study aims to investigate the relationship between saturated hydraulic conductivity (K_s...

journal article 2024

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How aromatic dissolved organic matter differs in competitiveness against organic micropollutant adsorption

Wang, Q. (author), Lechtenfeld, Oliver J. (author), Rietveld, L.C. (author), Schuster, Jonas (author), Ernst, Mathias (author), Hofman-Caris, Roberta (author), Kaesler, Jan (author), Wang, Chunmiao (author), Yang, Min (author), Yu, Jianwei (author), Zietzschmann, F.E. (author)

Activated carbon is employed for the adsorption of organic micropollutants (OMPs) from water, typically present in concentrations ranging from ng L⁻¹ to μg L⁻¹. However, the efficacy of OMP removal is considerably deteriorated due to competitive adsorption from background dissolved organic matter (DOM), present at...

journal article 2024

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An integrated approach to quantitative resilience assessment in process systems

Sun, H. (author), Yang, M. (author), Wang, Haiqing (author)

Chemical process systems are becoming more automated and complex, which leads to increased interaction and interdependence between the human and technical elements of process systems. This urges the need for updating the safety assessment method by treating “safety” as an emergent property of a system. Uncertainty comes together with...

journal article 2024

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Machine learning assisted discovery of high-efficiency self-healing epoxy coating for corrosion protection

Liu, Tong (author), Chen, Zhuoyao (author), Yang, Jingzhi (author), Ma, Lingwei (author), Mol, J.M.C. (author), Zhang, Dawei (author)

Machine learning is a powerful means for the rapid development of high-performance functional materials. In this study, we presented a machine learning workflow for predicting the corrosion resistance of a self-healing epoxy coating containing ZIF-8@Ca microfillers. The orthogonal Latin square method was used to investigate the effects of the...

journal article 2024

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Release of phosphorus through pretreatment of waste activated sludge differs essentially from that of carbon and nitrogen resources: Comparative analysis across four wastewater treatment facilities

Deng, Shaoyu (author), Liu, J. (author), Yang, Xiaofan (author), Sun, Dezhi (author), Wang, Aijie (author), van Loosdrecht, Mark C.M. (author), Cheng, Xiang (author)

The accumulation of phosphorus in activated sludge in wastewater treatment plants (WWTPs) provides potential for phosphorus recovery from sewage. This study delves into the potential for releasing phosphorus from waste activated sludge through two distinct treatment methods—thermal hydrolysis and pH adjustment. The investigation was conducted...

journal article 2024

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Risk assessment methods for process safety, process security and resilience in the chemical process industry: A thorough literature review

Bin Ab Rahim, M.S. (author), Reniers, G.L.L.M.E. (author), Yang, M. (author), Bajpai, Shailendra (author)

This paper presents a systematic literature review of risk assessment methods in the chemical process industry (CPI), focusing on process safety, process security, and resilience. We analyzed peer-reviewed articles from 2000 to 2022 using the PRISMA methodology and identified twelve predominant methods. Our findings reveal a shift towards...

journal article 2024

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Aging and Sintered Layer Defect Detection of Discrete MOSFETs Using Frequency Domain Reflectometry Associated With Parasitic Resistance

Yun, Minghui (author), Yang, Daoguo (author), Cai, Miao (author), Yan, Haidong (author), Yu, Jiabing (author), Liu, Mengyuan (author), He, Siliang (author), Zhang, Kouchi (author)

Metal-oxide-semiconductor field-effect transistors (MOSFETs) undergo fatigue degradation under high thermal and electrical stresses. This process results in changes in their parasitic parameters, which can be detected using frequency domain reflectometry (FDR). Frequency domain impedance analysis is employed to characterize the various...

journal article 2024

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A simulation-based approach for resilience assessment of process system: A case of LNG terminal system

Sun, H. (author), Yang, M. (author), Zio, Enrico (author), Li, Xinhong (author), Lin, Xiaofei (author), Huang, Xinjie (author), Wu, Qun (author)

System resilience denotes the capacity to uphold desired system performance in the face of disruptions. Evaluating the resilience of a process system necessitates a thorough consideration of the intricate interplay between its components and the pivotal role of process parameters in reflecting the repercussions of disruptions on the system....

journal article 2024

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A study of pedestrian wayfinding behavior based on desktop VR considering both spatial knowledge and visual information

Dai, Zhicheng (author), Li, Dewei (author), Feng, Y. (author), Yang, Yuming (author), Sun, Long (author)

Understanding pedestrian wayfinding behavior is crucial for traffic management and building design. The use of virtual reality technology presents an efficient approach for investigating pedestrian wayfinding behavior in large public spaces, offering numerous advantages for data collection. However, the impact of different scenario dimensions on...

journal article 2024

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Non-destructive inspection technologies for repair assessment in materials and structures

Shiotani, T. (author), Ogura, N. (author), Okude, N. (author), Watabe, K. (author), Van Steen, C. (author), Tsangouri, E. (author), Lacidogna, G. (author), Czarnecki, S. (author), Chai, H. K. (author), Yang, Y. (author), Verstrynge, E. (author), Aggelis, D. G. (author)

Aging infrastructure globally faces degradation, posing risks and requiring substantial repair investment. Strategic maintenance practices are crucial for evaluating structural conditions and ensuring sustainability. The growing demands on modern materials and structures necessitate enhanced health monitoring approaches. Shifting from...

journal article 2024

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Insights into sulfur and hydrogen sulfide induced corrosion of sintered nanocopper paste: A combined experimental and ab initio study

Chen, Wei (author), Liu, Xu (author), Yang, Zhoudong (author), Liu, X. (author), Hu, D. (author), Zhu, Xi (author), Fan, X. (author), Zhang, Kouchi (author), Fan, J. (author)

The power semiconductor joining technology through sintering of copper nanoparticles is well-suited for die attachment in wide bandgap (WBG) semiconductors, offering high electrical, thermal, and mechanical performances. However, sintered nanocopper will be prone to degradation resulting from corrosion in sulfur-containing corrosive...

journal article 2024

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Three-dimensional surface strain sensor based on PDMS/LIG composite film with adjustable electromechanical performance

Yang, Huiru (author), Huang, Qianming (author), Wang, S. (author), Zong, Qihang (author), Tan, C. (author), Ye, H. (author), Zhang, Kouchi (author)

Flexible strain sensors play a crucial role in health monitoring, smart wearable devices, and human–machine interaction. Three-dimensional surface evaluation methods for strain sensors offer advantages by being closer to actual strain, featuring a larger working range, and being more suitable for multidirectional strain. In this study, a...

journal article 2024

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Concentration polarizations of PEG and silica colloids in ceramic nanofiltration

Zhang, S. (author), Liang, Yaxin (author), Yang, Cai (author), Venema, Paul (author), Rietveld, L.C. (author), Heijman, Sebastiaan (author)

A large decrease in permeability is often observed during the filtration of nano-sized colloids, while fouling is widely regarded as the main explanation for this phenomenon. The osmotic pressure or concentration polarization (CP) of colloids can also contribute to the flux decline. However, the contribution of CP to flux loss cannot be...

journal article 2024

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General Optimal Trajectory Planning: Enabling Autonomous Vehicles with the Principle of Least Action

Huang, H. (author), Liu, Yicong (author), Liu, Jinxin (author), Yang, Q. (author), Wang, Jianqiang (author), Abbink, D.A. (author), Zgonnikov, A. (author)

This study presents a general optimal trajectory planning (GOTP) framework for autonomous vehicles (AVs) that can effectively avoid obstacles and guide AVs to complete driving tasks safely and efficiently. Firstly, we employ the fifth-order Bezier curve to generate and smooth the reference path along the road centerline. Cartesian coordinates...

journal article 2024

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Flexible High-Sensitivity Strain Sensor Fabricated with Pdms Micro-Channel Array Using Laser Transmission Pyrolysis Technology

Wang, S. (author), Zong, Qihang (author), Yang, Huiru (author), Huang, Qianming (author), Ye, Huaiyu (author), French, P.J. (author)

In recent years, flexible strain sensors based on metal cracks have garnered significant interest for their exceptional sensitivity. However, striking a balance between sensitivity and detection range remains a significant challenge, which often limits its wider application. Herein, we introduce an innovative laser transmission pyrolysis...

conference paper 2024