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Tian, X. (author), Volkov, Oleg (author), Voskov, D.V. (author)In this study, we present an efficient and flexible adjoint-based framework for history matching and forecasting geothermal energy extraction at a large scale. In this framework, we applied the Principal Component Analysis to reduce the parameter space for representing the complex geological model. The adjoint method is implemented for...journal article 2024
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Gao, Ziyao (author), Zhao, C. (author), Zhou, Kai (author), Wu, Junru (author), Tian, Yao (author), Deng, Xianming (author), Zhang, Lihan (author), Lin, Kui (author), Wagemaker, M. (author)Nickel-rich layered oxide cathodes promise ultrahigh energy density but is plagued by the mechanical failure of the secondary particle upon (de)lithiation. Existing approaches for alleviating the structural degradation could retard pulverization, yet fail to tune the stress distribution and root out the formation of cracks. Herein, we report...journal article 2024
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Zhang, Zhenya (author), Wei, Houyu (author), Xiao, Yanqiu (author), Cheng, Chuanxiao (author), Tian, Jiean (author), Li, Xinxin (author), Liu, Junrui (author), Liu, Zhengxuan (author)This paper comprehensively investigates the purge mechanism of proton exchange membrane fuel cells during the shutdown process, which qualitatively examines the effect of purge parameters (including current density, stoichiometric ratio, and relative humidity) on water content variation, and further quantitatively investigates the remaining...journal article 2024
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Tian, X. (author), Wapperom, M.B. (author), Gunning, James (author), Jackson, Samuel (author), Wilkins, Andy (author), Green, Chris (author), Ennis-King, Jonathan (author), Voskov, D.V. (author)In this study, we conduct a comprehensive history matching study for the FluidFlower benchmark model. This benchmark was prepared and organized by the University of Bergen, the University of Stuttgart, and Massachusetts Institute of Technology, for promoting understanding of the complex physics of geological carbon storage (GCS) through in...journal article 2024
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El Hajj, Marcel M. (author), Steele-Dunne, S.C. (author), Almashharawi, Samer K. (author), Tian, X. (author), Johansen, Kasper (author), Camargo, Omar A.Lopez (author), Amezaga-Sarries, Adria (author), Mas-Vinolas, Andreu (author), McCabe, Matthew F. (author)Soil moisture (SM) is an important state variable in land surface models. Here, we investigate the potential of a ground-based global navigation satellite system receiver with two linearly polarized antennas that measure the interference power (IP) of direct and reflected signals in horizontal polarization (H-pol) and vertical polarization (V...journal article 2024
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Tang, Zhuorui (author), Zhao, Shibo (author), Li, Jian (author), Zuo, Yuanhui (author), Tian, Jing (author), Tang, Hongyu (author), Fan, J. (author), Zhang, Kouchi (author)This work addresses a novel technique for selecting the best process parameters for the 4H–SiC epitaxial layer in a horizontal hot-wall chemical vapor reactor using a transient multi-physical (thermal-fluid-chemical) simulation model and combined with a machine-learning model. An experiment was performed to validate the feasibility of the...journal article 2024
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Tian, X. (author)This study investigates the application of inverse modeling in numerical geo-energy scenarios such as petroleum, geothermal, and CCS projects. The study aims to enhance model accuracy and predictive capabilities for real-world applications. The focus lies on the implementation of the inverse modeling framework within the open-source simulator...doctoral thesis 2023
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Setaki, F. (author), Tian, F. (author), Turrin, M. (author), Tenpierik, M.J. (author), Nijs, L. (author), van Timmeren, A. (author)This paper discusses a novel, compact sound absorption solution with high performance at various frequencies, including low frequencies, achieved through the effective use of Computational Design and Additive Manufacturing (AM). Sound absorption is widely applied for reducing noise and improving room acoustics; however, it is often constrained...journal article 2023
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Zhang, Peng (author), Liu, Wei (author), Liu, Siming (author), Tian, Xu (author), Li, Yimiao (author), Huang, Y. (author)Corrosion poses a significant risk to the safety of energy pipelines, while landslide disasters emerge as the primary threat responsible for triggering pipeline failures across mountainous areas. To date, there is limited research focused on the safety of energy pipelines considering the synergistic effect of corrosion and landslides. The...journal article 2023
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Su, Xiangtong (author), Zhi, Danyue (author), Song, Dongdong (author), Tian, Le (author), Yang, Y. (author)Background: Existing studies mainly focus on the relationship between real-time weather and traffic crash injury severity, while few scholars have investigated the operation risk levels caused by traffic incidents. Identifying weather-related factors that affect the incident-induced delay is helpful for estimating the delay levels when an...journal article 2023
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Tian, X. (author), Voskov, D.V. (author)In this paper, we present an efficient inverse modeling framework for energy transition applications. The key feature of this framework is a combination of adjoint gradients and Operator-based Linearization (OBL) technique to achieve high efficiency in inverse modeling based on forward simulations. This framework allows conducting the history...conference paper 2023
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Wang, Chuan (author), Sun, Renjuan (author), Hu, Xinlei (author), Guan, Yanhua (author), Yang, Yingzi (author), Lu, Wei (author), Tian, Jun (author), Zhang, Hongzhi (author), Ge, Zhi (author), Šavija, B. (author)This paper presents a research on the chloride penetration behavior of engineered cementitious composites (ECC) under sustained flexural loads. Three load levels, i.e. 30 %, 60 % and 75 % of the ultimate flexural load were used. Chloride diffusion depth and concentration profile were measured 30, 60 and 150 days after the specimen was exposed...journal article 2023
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Li, Yonghao (author), Zhang, Ning (author), Sun, Renjuan (author), Guan, Yanhua (author), Liu, Lemin (author), Tian, Changjin (author), Ling, Yifeng (author), Zhang, Hongzhi (author), Šavija, B. (author)The performance of engineered cementitious composites (ECCs) under coupled salt freezing and loaded conditions is important for its application on the transportation infrastructure. However, in most of the studies, the specimens were generally loaded prior to the freezing. The influence of sustained load was merely considered. To this end,...journal article 2023
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Cromjongh, Casper (author), Tian, Y. (author), Hofstee, H.P. (author), Al-Ars, Z. (author)In spite of progress on hardware design languages, the design of high-performance hardware accelerators forces many design decisions specializing the interfaces of these accelerators in ways that complicate the understanding of the design and hinder modularity and collaboration. In response to this challenge, Tydi is presented as an open...conference paper 2023
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Tang, Zhuorui (author), Tian, Jing (author), Mao, Chaobin (author), Zhang, Nan (author), Huang, Jiyu (author), Fan, J. (author), Zhang, Kouchi (author)Silicon carbide (SiC) epitaxial process is a key step in the fabrication of power devices, and the temperature field inside the reactor chamber plays an essential role in this process. In this paper, the temperature field in the horizontal chemical-vapor-deposition reactor chamber used for growing homo-epitaxial 4H-SiC material is studied using...conference paper 2023
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Zhang, Yu (author), Wang, Yue (author), Tian, Zhi (author), Leus, G.J.T. (author), Zhang, Gong (author)This paper proposes a super-resolution harmonic retrieval method for uncorrelated strictly non-circular signals, whose covariance and pseudo-covariance present Toeplitz and Hankel structures, respectively. Accordingly, the augmented covariance matrix constructed by the covariance and pseudo-covariance matrices is not only low rank but also...conference paper 2023
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Goverde, R.M.P. (author), Su, Shuai (author), Tian, Zhongbei (author)This chapter gives the basic conclusions about energy-efficient train operation covering energy-efficient train driving, energy-efficient train timetabling, regenerative braking, energy storage systems and power supply networks. Future work that will develop energy-efficient train operation further include the interaction of connected driver...book chapter 2023
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Tian, Yongding (author), Guo, Zhuoran (author), Zhang, Jiaxuan (author), Al-Ars, Z. (author)Many researchers have proposed replacing the aggregation server in federated learning with a blockchain system to improve privacy, robustness, and scalability. In this approach, clients would upload their updated models to the blockchain ledger and use a smart contract to perform model averaging. However, the significant delay and limited...journal article 2023
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Zhu, Yifan (author), Lu, Huimin (author), Wang, Jianping (author), Yu, Tongjun (author), Li, Z.Z.L. (author), Tian, Yucheng (author)In order to improve the light extraction of AlGaN-based short wavelength ultraviolet light emitting diodes (DUC-LEDs), a type of microstructure with high aspect ratio is introduced and optimized on the AlN substrate surface. And, particle swarm optimization (PSO) algorithm is used to inverse design of the surface microstructure to maximize...journal article 2023
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- Su, Shuai (author), Goverde, R.M.P. (author), Tian, Zhongbei (author) contribution to periodical 2023