A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf
.
Filters
Effect of Tensile Force on Magnetostrictive Sensors for Generating and Receiving Longitudinal Mode Guided Waves in Steel Wires
2019
Journal of Sensors
Then, the effect of the tensile force on generating and receiving longitudinal mode guided waves based on magnetostrictive effect is obtained by the relationship between the bias magnetic field and the ...
The results show that the existence of the tensile force would change the operation point for generating and receiving the longitudinal mode guided waves based on magnetostrictive effect, which associated ...
Conclusions In this paper, the effect of tensile force on magnetostrictive sensors for generating and receiving longitudinal mode guided waves in the wire is studied. ...
doi:10.1155/2019/9512190
fatcat:jydra3ek5rf5bewpqmwwkyr2w4
A Guided Wave Transducer with Sprayed Magnetostrictive Powder Coating for Monitoring of Aluminum Conductor Steel-Reinforced Cables
2019
Sensors
On the other hand, the magnetostriction of the innermost steel wires is too weak to generate guided waves. The bias magnetic field is attenuated by the outer layers of aluminum wires. ...
Experimental investigations were carried out to generate and receive the most commonly used L(0,1) guided waves for wire breakage detection at frequencies of 50 and 100 kHz. ...
Sensors 2019, 19, x FOR PEER REVIEW 8 of 16 As for an ACSR cable sprayed with magnetostrictive powder coating, guided waves were generated on account of the superposition of Lorentz force and magnetostrictive ...
doi:10.3390/s19071550
fatcat:65fdpwgkanh5zjrabpysbl4vku
Stress Measurement of Steel Strands Based on System Identification Method
2019
Shock and Vibration
The sensor placement and loading path have a limited effect on the stress state and the proposed index. ...
Among the existing nondestructive testing methods for measuring the stress state of steel strands, ultrasonic guided wave methods have received the most research attention and are most likely to be applied ...
[12] performed early experimental studies on the effect of stress on guided waves in a strand. ey excited guided waves as a whole throughout the cross section of a strand using magnetostrictive sensors ...
doi:10.1155/2019/5653902
fatcat:r452bbpodfb2bpvqyliid3axbq
A Review of Non-Destructive Damage Detection Methods for Steel Wire Ropes
2019
Applied Sciences
Based on the review of papers, we provide insight about the future of the non-destructive damage detection methods for steel WRs to a certain extent. ...
As an important load-bearing component, steel wire ropes (WRs) are widely used in complex systems such as mine hoists, cranes, ropeways, elevators, oil rigs, and cable-stayed bridges. ...
We wish to thank the authors of all references for their outstanding contributions in this field. ...
doi:10.3390/app9132771
fatcat:wct4zwlbivfp5hqssos6cdfuzu
Nondestructive Characterization of Residual Stress Using Micromagnetic and Ultrasonic Techniques
[chapter]
2020
New Challenges in Residual Stress Measurements and Evaluation [Working Title]
Micromagnetic and ultrasonic methods are based on the interaction of an external magnetic field or an ultrasonic wave, respectively, with the material's microstructure and residual stress fields on different ...
Whereas near-surface compressive stress is often desired as it prolongs the useful service life, undesired, steep stress gradients and tensile stress at the surface promote the occurrence of cracks and ...
Moreover, the authors would like to thank the Federal Ministry for Economic Affairs and Energy for the financial support of research activities under grant 1501523. ...
doi:10.5772/intechopen.90740
fatcat:m3gow6zhmvatlax5aqwmnxsjbi
A Comparative Study on Three Different Transducers for the Measurement of Nonlinear Solitary Waves
2013
Sensors
Nonlinear solitary waves can form and travel in nonlinear systems such as one-dimensional chains of particles, where they are conventionally generated by the mechanical impact of a striker and are measured ...
In this paper we propose two alternative sensing configurations for the measurements of solitary waves propagating in a chain of spherical particles. ...
Acknowledgments The authors acknowledge the support of the University of Pittsburgh's Mascaro Center for Sustainable Innovation seed grant program, the Federal Railroad Administration under contract DTFR53 ...
doi:10.3390/s130101231
pmid:23334611
pmcid:PMC3574733
fatcat:rxkcwh5dufgxffqh5gi26hpm4a
Smart Sensing Technologies for Structural Health Monitoring of Civil Engineering Structures
2010
Advances in Civil Engineering
The major focus is on the evaluations of laboratory and field studies of smart materials/sensors in civil engineering structures. ...
In this paper, the application of smart materials/sensors for the SHM of civil engineering structures is critically reviewed. ...
Acknowledgments The authors would like to acknowledge the Chinese Scholarship Council (CSC) for the financial support to the first author during his research study at Sheffield University in UK. ...
doi:10.1155/2010/724962
fatcat:kcphoublefa77dqfsnmztvos2u
State of the art review of inspection technologies for condition assessment of water pipes
2013
Measurement (London)
This paper focuses on the inspection techniques and technologies for structural deterioration of water pipes. ...
The technologies include conventional non-destructive inspection and advanced sensor techniques for condition monitoring. ...
Guided wave ultrasound The guided wave ultrasound technique is based on the capability of propagating a wave for a long distance [39] . ...
doi:10.1016/j.measurement.2012.05.032
fatcat:w7ynqjfusbdvrjn6vcbvty4pwe
A Solitary Wave-Based Sensor to Monitor the Setting of Fresh Concrete
2014
Sensors
We present a proof-of-principle study about the use of a sensor for the nondestructive monitoring of strength development in hydrating concrete. ...
The nondestructive evaluation technique is based on the propagation of highly nonlinear solitary waves (HNSWs), which are non-dispersive mechanical waves that can form and travel in highly nonlinear systems ...
Xianglei Ni also acknowledges the support of the 2009 ASNT (American Society for Nondestructive Testing) Fellowship Award. ...
doi:10.3390/s140712568
pmid:25025549
pmcid:PMC4168442
fatcat:uggzqan64ncnlfua3myrfsqgdi
Microphone based on Polyvinylidene Fluoride (PVDF) micro-pillars and patterned electrodes
2009
Sensors and Actuators A-Physical
The acoustic sensor presented in this dissertation exploits the key advantages of PVDF as a sensor material by means of two key design elements aimed at increasing the charge and decreasing the effective ...
Taking advantage of the thickness or "33" mode, the developed PVDF micro-pillar sensor has a frequency bandwidth of at least 20 Hz-100 kHz and maximum response of up to a few MHz (depending on specific ...
The amplification effect is similar to the force amplification in a rope held at two ends (i.e., a rope can generate very larger tensile forces when subjected to a perpendicular center force). ...
doi:10.1016/j.sna.2009.04.008
fatcat:hoqtv33ca5bmxpgebmrbzitdrm
Review of Structural Health Monitoring Techniques in Pipeline and Wind Turbine Industries
2021
Applied System Innovation
There have been several advancements in SHM systems over the years such as Point OFS (optical fiber sensor) for Corrosion, Distributed OFS for physical and chemical sensing, etc. ...
In order to determine the damages well in advance, it is necessary that the sensor is positioned inside the pipes and gives the operators enough time to carry out the troubleshooting. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/asi4030059
fatcat:vjkyklbrundctbedfqhx3yjijq
A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM
2013
2013 IEEE International Ultrasonics Symposium (IUS)
Recent advances in the field of tissue engineering include the engineering of skin, cartilage, and bladder, all of which are relatively thin tissues that can rely on diffusion for the delivery of oxygen ...
One of these technologies takes advantage of the acoustic radiation forces associated with ultrasound standing wave fields to spatially pattern cells within collagen-based hydrogels. ...
The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015. ...
doi:10.1109/ultsym.2013.0035
fatcat:th5znfh7y5bklfdbmhb4u6iq2i
Conceptual design and multidisciplinary optimization of in-plane morphing wing structures
2006
Smart Structures and Materials 2006: Modeling, Signal Processing, and Control
where thermal effects are represented through equivalent thermal forces. ...
In this paper, new technique of sensitivity-decreasing of FBG strain sensor has been brought forward and a new kind of FBG-based crack sensor is developed. ...
The effect of placing the SMA wires in different directions (longitudinal and angularly transverse) over the composite plates will be studied. ...
doi:10.1117/12.658686
fatcat:rqnvt2atkjgnvpog5pivwjejzm
Research progress of space non-pyrotechnic low-shock connection and separation technology (SNLT): A review
2021
Chinese Journal of Aeronautics
In this paper, the progress of the research on space nonpyrotechnic low-shock connection and separation technology (SNLT) is summarized and reviewed. ...
Space missions have become diversified in recent years, where connection and separation devices play a crucial role as key components of various spacecraft. ...
Acknowledgements This study is supported by State Key Laboratory of Robotics and System (HIT), Heilongjiang Touyan Team and the Programme of Introducing Talents of Discipline to Universities (No. ...
doi:10.1016/j.cja.2021.07.001
fatcat:hsg4z7fqvfblfkenfnss2hvwnq
1981 IEEE Ultrasonics Symposium Abstracts
1982
IEEE Transactions on Sonics and Ultrasonics
The effect of digitization on sidelobe levels can be predicted accurately, as well as the amplitude level of grating lobes and the effects of apodization and use of short pulses. ...
Finally, we will show experimental results on tissue equivalent phantoms obtained with the data collected in the transmission mode. D. Nahamoo and A. C. ...
The optical guided wave loss is 10.6 dB/cm for TEo mode in a 0.81 7 pm thick film on a glass substrate. ...
doi:10.1109/t-su.1982.31328
fatcat:iqcv7fhisjghfahxhthjfjb4i4
« Previous
Showing results 1 — 15 out of 51 results