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石墨烯包裹海绵处理水面原油泄露问题

王永超 [1], 葛进 [1],
[1] 中国科学技术大学

海上石油泄漏不仅造成资源的浪费，还长期威胁着脆弱的生态系统。然而浮油具有面积大、油层薄、粘度大的特点，难以采用传统的技术和材料来有效地处理。作者利用石墨烯海绵疏水亲油、导电的特点，设计了一种原位加热的方法 ... 扩展阅读

Prediction of Transformer Core Noise

R. Haettel[1], A. Daneryd[1], M. Kavasoglu[1], C. Ploetner[2]
[1]ABB Corporate Research, Västerås, Sweden
[2]ABB Transformers, Varennes, QC, Canada

Today, low noise is a mandatory feature for power transformers to comply with customer specifications and ... 扩展阅读

Modelling of Seismoelectric Effects

B. Kröger[1], U. Yaramanci[2], and A. Kemna[1]
[1]1 University of Bonn
[2]GGA Hannover

We present the results of full-waveform time-dependent finite-element modelling of coupled ... 扩展阅读

Design and Simulation of a MEMS-Based Ultrasonic Transducer for Viscosity Sensing Applications

Rahul Goyal [1], Divya Mohan Yadav [1],
[1] Indian Institute of Science, Bangalore, Karnataka, India

Technologies based on micro electro mechanical systems (MEMS) present advantages for rheological applications ... 扩展阅读

Simulation of Geomechanical Reservoir Behavior during SAGD Process Using COMSOL Multiphysics®

X. Gong[1], R. Wan[1]
[1]University of Calgary, Calgary, AB, Canada

THM (Thermo-Hydro-Mechanical) behavior of the reservoir during SAGD (Steam-Assistant-Gravity-Drainage) was ... 扩展阅读

Reynolds Number and Geometry Configuration Effect on Secondary Flows in S-Shaped Circular Bends

O. Ayala [1], M. F. Degenring Oliveira [2], P. Loures [2],
[1] Department of Engineering Technology, Old Dominion University, Norfolk, VA, USA
[2] Brazil Scientific Mobility Program, CAPES, Brasilia DF, Brazil

Reynolds Numbers effect: In the first bend, the higher the Reynolds number, the longer the first pair of ... 扩展阅读

Long Range Ultrasonic Guided Waves for Pipelines Inspection

Á. Angulo[1], Dr. S. Soua[1]
[1]TWI Ltd, Cambridge, UK

The evaluation of defect size and nature are two most controversial topics in ultrasonic flaw detection. The ... 扩展阅读

The Geometrical Optimization of MSFL Pad Design by COMSOL Multiphysics® and Design of Experiments

T. Hao[1], J. M. Singer[1]
[1]GE Oil & Gas, Farnborough, UK

Introduction Micro-Spherically Focused Logging (MSFL) tool is a microresistivity open-hole logging tool ... 扩展阅读

Simulation Using an Iterative Procedure to Account for Nonlinear Magnetic Properties of Steel

S. Barrez [1],
[1] Vallourec, Boulogne-Billancourt, France

In inductive heating simulations the electromagnetic properties of the steel have a significant impact on the ... 扩展阅读

Understanding Logging-While-Drilling Transducers with COMSOL Multiphysics® Software

R. Jiang[1], L. Mei[1], X. Liu[2], H. Li[2], Q. Zhang[1]
[1]Department of Electrical Engineering, Materials Research Institute, Pennsylvania State University, University Park, PA, USA
[2]Department of Technical Services, China Oilfield Services Limited, Yanshan, Hebei, China

Logging-while-drilling (LWD) acoustic transducers provide real-time data about the geologic and geophysical ... 扩展阅读

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