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20th IEEE International Conference on e-Business engineering, ICEBE 2024

作者： Tsai, Yao-Yu Tsai, Yao-Chuan Tai, Chang-Hsien Chen, Chen-Chih Hsu, Uzu-Kuei National Chung Hsing University National Pingtung University of Science and Technology Sustainable Circular Economy R&d Center Department of Bio-Industrial Mechatronics Engineering Pingtung Taichung Taiwan National Chung Hsing University Department of Bio-Industrial Mechatronics Engineering Taichung Taiwan College of Biomedical Engineering and Technology Tzu Chi University Hualien Taiwan Institute of Wildlife Conservation National Pingtung University of Science and Technology Pingtung Taiwan Program of Artificial Intelligence and Mechatronics National Pingtung University of Science and Technology Pingtung Taiwan

ISBN: (纸本)9798350365856

This study designs a UAV -assisted system integrated with AI image recognition technology to alleviate the difficulty for operators in stabilizing the UAV and accurately administering vaccines. The system uses thermal imaging modules and AI recognition systems to lock onto and track target animals in real-time. Utilizing MAVLink, the UAV adjusts its flight path based on the dynamic behavior of the animals, ensuring that the target remains within shooting range for precise vaccine administration. This technology not only improves the efficiency and accuracy of wildlife vaccination but also significantly reduces the workload on operators, providing a forward-looking solution for wildlife management. © 2024 IEEE.

关键词： Thermography (imaging)

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research on the Calculation Method of CO2 Storage Volume and its Application in L reservoir

Research on the Calculation Method of CO2 Storage Volume and...

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2025 International Petroleum technology Conference, IPTC 2025

作者： Wu, Zangyuan Feng, Qihong Lian, Liming Meng, Xiangjuan Xu, YanLong Wang, Sen Wu, Kuankuan Zhou, Wei Luo, Min Li, Yang Fan, Jin Cheng, ronghong Wu, Mimi Huang, Xingning School of Petroleum Engineering China University of Petroleum East China China Tarim Oilfield Company PetroChina Korla China R&D Center for Ultra-Deep Complex Reservoir Exploration and Development CNPC Korla China Research Institute of Petroleum E&D Petrochina CNPC Beijing China Chengdu CK Energy Technology Co. Ltd. Chengdu China

ISBN: (纸本)9781959025436

This paper addresses the difficulty in calculating CO2 storage volume due to the complexity of CO2 occurrence states in the CCUS process. A method for calculating CO2 storage volume is proposed, designing well networks throughout the entire lifecycle of CCUS to meet the demands of both CO2 EOr and storage stages. This extends the implementation time of CO2 EOr to enhance oil recovery and ensures effective CO2 storage while maximizing oil production, aligning with the global strategy of green and low-carbon development. Initially assuming that the pore volume of produced hydrocarbons is completely occupied by CO2 and considering dissolution retention and mineral reaction retention, the theoretical carbon storage volume of the target reservoir is predicted to determine the upper limit of storage volume. Building on flash calculation, utilizing equations of state-activity models, equations of state-equations of state models, and chemical reaction kinetics models, model parameters were fitted and corrected through experiments on CO2 multiphase non-isothermal flow, dissolution, solid-phase deposition, and mineral reactions to develop a CO2 storage volume prediction model and proprietary software. Finally, reliability verification was conducted using analogous block comparison methods. The technology proposed in this paper has been applied in the integrated CO2 EOr and storage scheme for the L reservoir, predicting saturation fields, solubility fields, and various storage mechanisms during the CO2 flooding and storage process and providing three-dimensional field changes. results indicate that the theoretical carbon storage upper limit for the L reservoir is 9.88 million tons;under current reservoir temperature and pressure conditions, CO2 dissolution loss in formation connate water is 0.05 t/m3, and in residual oil it is 0.32 t/t, resulting in an effective storage volume of 7.47 million tons (with analogous block comparison results at 7.78 million tons, verifying the rel

关键词： Oil well flooding

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Faceted cadmium sulphide photocatalysts for solar-driven hydrogen production and pollutants degradation: A review

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Journal of Industrial and engineering Chemistry 2025年

作者： Osazuwa, Osarieme Uyi Ng, Kim Hoong Department of Chemical Engineering Ming Chi University of Technology New Taipei24301 Taiwan Department of Chemical Engineering Faculty of Engineering University of Benin PMB 1154 Edo State Benin City Nigeria R&D Centre of Biochemical Engineering Technology Ming Chi University of Technology New Taipei24301 Taiwan Battery Research Centre of Green Energy Ming Chi University of Technology New Taipei24301 Taiwan Center for Environmental Sustainability and Human Health Ming Chi University of Technology New Taipei City24301 Taiwan

The advancement of green technology in a bid to meet the global clean energy demands and toxic pollutants eradication from water bodies has led to several works on hydrogen (H2) fuel production and pollutants degradation technologies. Facet-engineered cadmium sulphide (CdS)-based photocatalysts have shown great promise in solar-driven hydrogen (H2) production and pollutant degradation. This review highlights recent advancements in designing, fabricating, and synthesizing functional facets on CdS-based materials to enhance photocatalytic efficiency. The exposed facets of CdS alter its physicochemical properties, leading to improved performance. Notably, facet-engineered 2d CdS leaves {0001} showed 6-fold increased H2 evolution efficiency. Hierarchical facet-engineered CdS {101}, {110} exhibited 4-fold improved photodegradation efficiency. Case studies demonstrate exceptional removal efficiencies of 97.31 % rhodamine B dye removal using VS2/CdS/NaYF4: Yb, Er {004}, {102} heterojunction, 99.7 % methylene blue degradation using rGO/CdS/TiO2 {001}. This review provides valuable insights into facet-engineered CdS-based photocatalysts for water splitting (H2 production), and photodegradation (pollutant removal). However, gaps in research exist for CdS-based photocatalysts for CO2 reduction and antibacterial applications. This comprehensive analysis offers directions for future advancements in CdS-based photocatalyst design, emphasizing the potential of facet engineering to enhance photocatalytic performance. © 2025 The Korean Society of Industrial and engineering Chemistry

关键词： Sulfur compounds

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determination of critical fracturing spacing affecting the simultaneous growth of multiple hydraulic fractures from a horizontal wellbore 57

Determination of critical fracturing spacing affecting the s...

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57th US rock Mechanics/Geomechanics Symposium

作者： Cheng, Shaoyi Wu, Bisheng Han, Yanhui Zhang, Xi Chen, Zhaowei Tan, Peng Yang, Liu State Key Laboratory of Hydroscience and Engineering Department of Hydraulic Engineering Tsinghua University Beijing100084 China Aramco Americas: Aramco Research Center HoustonTX77084 United States Faculty of Engineering China University of Geosciences Wuhan430074 China CNPC Engineering Technology R&D Company Limited Beijing102206 China Beijing100083 China

ISBN: (纸本)9780979497582

The multi-stage hydraulic fracturing and horizontal well have become the most important technologies in extracting oil and gas from unconventional reservoirs. However, the stress shadow effect often hinders the simultaneous growth of multiple fractures when design parameters such as fracture spacing and injection parameters are not set properly. Therefore, one of the key issues in a fracturing treatment is the determination of the fracture spacing within a fracturing stage under different combinations of geomechanical and injection parameters. This paper presents a numerical study by using the in-house code, deepFrac, a fully coupled hydraulic fracturing simulator based on the dual boundary element method and finite volume method. The evolution of the optimal fracture spacing with the geomechanical and injection parameters is investigated. The results demonstrate the dependence of the optimal fracture spacing on the energy dissipation and in-situ stress contrast. A dimensional analysis is carried out, and two dimensionless groups are determined including the dimensionless toughness and dimensionless in-situ stress difference. A critical fracturing spacing is proposed based on the dimensionless groups, which can capture the combined role of different parameters in the fracture growth. The effectiveness of the proposed critical fracturing spacing determination criterion is verified by a few additional numerical experiments. © 2023 57th US rock Mechanics/Geomechanics Symposium. All rights reserved.

关键词： Hydraulic fracturing

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Feasibility Study on Environmental Adaptability Test Platform of rescue drilling rig 4

Feasibility Study on Environmental Adaptability Test Platfor...

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2021 4th International Conference on Advanced Materials, Intelligent Manufacturing and Automation, AMIMA 2021

作者： dong, Fan Feifei, Lu Drilling Technology and Equipment R&D Center Xi'An Research Institute China Coal Technology and Engineering Group Xi'an China

The environmental adaptability test platform of rescue rig mainly studies the environmental adaptability of ground and underground emergency rescue rig, lifting and rescue cabin and other equipment. It provides verification means and standard basis for safety, and improves the reliability and adaptability of drilling rescue technology and equipment. It provides a platform for emergency rescue drill, actual operation and scenario simulation. After the completion of the platform, it has reached the international advanced level. © Published under licence by IOP Publishing Ltd.

关键词： Infill drilling

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development Strategy and Countermeasures of China's CBM Industry under the Goal of “Carbon Peak and Neutrality”

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Journal of Earth Science 2023年第4期34卷 975-984页

作者： Fengyin Xu Xia Yan Fenglin Wang Xinyuan Ma Jian Yun Hongna Wang Borui Xu Shuangyuan Zhang delei Mao China United Coalbed Methane National Engineering Research Center Co. Ltd.Beijing 100095China Research Institute of Petroleum Exploration&Development PetroChina Coalbed Methane Co.Ltd.Beijing 100028China Research management department CNPC Research Institute of Safety and Environment Technology Co.Ltd.Beijing 102249China Exploration technical R&D Center CNPC Exploration Software Co.Ltd.Beijing 100080China

China’s coalbed methane(CBM) industry is in an extremely important “climbing period” and “strategic opportunity period”,which can be generally characterized by “three low and one small”:low degree of exploration and development,low adaptability of main technology,low return on investment and small development *** the “carbon peak and neutrality” background,the development status of CBM industry is systematically *** resources,technology,management problems and reasons are *** and countermeasures to accelerate the industrial development are put forward according to the factors such as efficient development of resources,major technical breakthrough,talent team training,policy formulation and implementation,return on investment and so *** existing problems are as follows:(a) The overall occurrence conditions in China are complicated and the development is difficult compared with the other countries.(b) The research precision accuracy of CBM resource conditions is not enough.(c) The adaptability of technology is poor.(d) The management mode is not *** view of these problems,this paper puts forward the “two steps” development strategy and the technical and management countermeasures of “five in one”.The corresponding “five in one” technology and management countermeasures are the formulation and implementation of relevant safeguard measures in accordance with the principle of collaborative innovation in five aspects:resources,technology,talents,policies and *** the above measures,the dream and grand blueprint of CBM industry shall be realized.

关键词： coalbed methane CBM industry carbon peak carbon neutrality development strate-gy countermeasures.

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An Express Transportation Monitoring System Based on S-CNN 12th

An Express Transportation Monitoring System Based on S-CNN

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12th China Academic Conference on Printing and Packaging, CACPP 2021

作者： Huang, Lei Zhang, Yuan Zhu, Lei du, Yanping ding, Ao School of Mechanical and Electrical Engineering Beijing Institution of Graphic Communication Beijing China Postal Technology R&D Center Beijing China School of Transportation Beijing Jiaotong University Beijing China

ISBN: (纸本)9789811916724

rough Handling of Express Parcels (rHEP) means that express parcels are not handled as required, which is one of the increasingly prominent problems in the express industry. It not only brings bad effects to the industry but also causes serious social problems such as resource waste and environmental pollution. Based on S-CNN, for three typical types of rHEP (dropping, throwing, and kicking), an express transportation monitoring system is proposed in this paper. The system is mainly composed of terminals, servers, and client. The system can collect acceleration data of parcels, process data, extract features and recognize rHEP of express transportation. Simulation experiment of rHEP in the laboratory, the recognition accuracy of S-CNN is up to 95.3%. Compared with SVM, BP, and S-CNN, more than 99% of samples of express transportation have a predicted probability of rHEP more than 0.95, which verifies the effectiveness of the intelligent recognition method in express transportation. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Monitoring

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data aggregation technique for millimeter wave and terahertz band high frequency migration technology for beyond 5G 12

Data aggregation technique for millimeter wave and terahertz...

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Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII 2023

作者： Makino, M. Tsuji, T. Nishioka, J. Akamatsu, T. Nakamura, S. Konishi, Y. Suzuki, N. Konishi, T. Graduate School of Engineering Osaka Univ. 2-1 Yamadaoka Osaka Suita-shi565-0871 Japan Information Technology R&D Center Mitsubishi Electric Corporation 5-1-1 Ofuna Kanagawa Kamakura-shi247-8501 Japan

ISBN: (纸本)9781510659636

We have proposed a new approach for photonic-assisted arbitrary waveform generation in beyond 5G taking advantage of low frequency technology. The generated signals in low frequency technology can be temporally compressed by a chromatic dispersion toward millimeter wave and terahertz band high frequency region. To the best of our knowledge, our recent proposed approach for beyond GHz-class AWG using the MHz-class low-frequency technology with photonic assistance based on chirped pulse compression is first proposed to remodel it to obtain competitive performances in signal frequency, as well as analog resolution, cost, and power consumption. Various use cases in beyond 5G, a large number of signal from massive edge subsystem should be bundled. This requires a signal processing for aggregation of multi-data from vast multi-user information as well as data compression. The data signal is digitally processed for segmentation and tuning so as to accommodate it in the stretched carrier pulse according to the length of signal. Since signals become sparse in beyond-GHz region after signal compression, the produced temporal free space in a frame could be used for accommodation. Such a produced temporal free space can be used for accommodation of overflowing data and users. This requires an additional signal processing for aggregation of multi-data from vast massive user information as well as data compression. In this work, we propose the photonic data aggregation technique for millimeter wave and terahertz band high frequency migration technology for beyond 5G. © 2023 SPIE.

关键词： Chromatic dispersion

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Multi-wavelength LEd lidar for near-ground aerosol distribution measurement 8

Multi-wavelength LED lidar for near-ground aerosol distribut...

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remote Sensing Technologies and Applications in Urban Environments VIII 2023

作者： Xiafukaiti, A. Okubo, K. Lagrosas, N. Shiina, T. Information Technology R&D Center Mitsubishi Electric Corporation 5-1-1 Ofuna Kanagawa Kamakura247-8501 Japan Graduate School of Engineering Chiba University 1-33 Yayoicho Inage-ku Chiba-shi Chiba263-8522 Japan

ISBN: (纸本)9781510666993

Light detection and ranging (lidar) have been valuable tools in remote sensing of aerosols near the ground. For the operation of a lidar system, the laser, as a transmitter, plays a vital role in the whole system. Laser diodes (Ld) and diode-pumped solid state (dPSS) laser technology have evolved, making the lidar system more compact compared to Nd:YAG laser sources. However, the lidar system’s long time and continual operation need maintenance to keep the laser source output stable. Also, the laser source is vulnerable to static electricity and needs to stabilize electric power. In this work, a multiwavelength lidar system with a Light Emitting diode (LEd)-based light source is designed and developed to monitor aerosol distribution in the near-ground atmosphere during continuous observation. The LEd light source does not require any heat dissipation system and can emit light for long periods with constant output. The LEd lamp light sources with wavelengths of 365, 450, 525, and 630 nm (peak power of up to 2W) are used as lidar transmitters. This lidar system visualizes rapid activities of aerosols in the near-range measurement due to its repetition frequency of over 250 kHz. Analysis of the backscattering light intensity with four wavelengths from this LEd lidar system produces real time extinction coefficient and size distribution in the near-ground atmosphere. This report discusses the design and practical test of the multi-wavelength LEd Lidar. © 2023 SPIE.

关键词： Light emitting diodes

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Prediction of Sound Absorption and Insulation of Automobile Acoustic Packages Based on Support Vector Machine 12

Prediction of Sound Absorption and Insulation of Automobile ...

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12th International Conference on Quality, reliability, risk, Maintenance, and Safety engineering, Qr2MSE 2022

作者： Zhang, Siwen Zheng, Zhiwei ding, Weiping Huang, Haibo Jiang, Hao Pang, Jian State Key Laboratory of Vehicle Noise Vibration and Safety Technology Changan Auto Global R&D Center Chongqing China Mechanical Engineering College Southwest Jiaotong University Chengdu China

ISBN: (纸本)9781839538360

In this paper, the support vector machine (SVM) is used to study the sound absorption and insulation performance of automobile acoustic packages. In practice, the engine noise is the main sources of vehicle interior noises, The sound absorption and insulation of the main acoustic package components of engine front wall are analyzed in the process of noise transfer path. Through the analysis of the engine noise transfer path, the input and output of the sound absorption and insulation performance prediction model are determined. Then, the sound absorption and insulation prediction model of acoustic packages based on SVM is established in MATLAB. The relevant experimental data is collected, and divided into training samples and testing samples to train and test the developed model. Finally, the results show that the error between predicted values and real values of engine noise absorption and insulation is small, with the maximum error is less than 1dB. This result indicated that the prediction effect is good. Therefore, the developed SVM model can be effectively applied to the study of automobile acoustic packages. © 2022 IEEE.

关键词： Support vector machines

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