Results 281 to 290 of about 31,464 (325)

4D printing of trigger-free shape-memory hydrogels towards self-adaptive substrates for bioelectronics. [PDF]

Nat Commun
Ni C, Zhang C, Qin Z, Ke Q, Wu B, Zhuoruo X, Sun Y, Fu Q, Chen D, Zheng N, Chen G, Fang Z, Qi Y, Wu J, Zhang Y, Xu K, Yao K, Chen Y, Jin X, Zhao Q.   +19 more
europepmc   +1 more source

Transformer fault diagnosis method based on Gramian Angular Field and optimized parallel ShuffleNetV2. [PDF]

Sci Rep
Guo Q, Yao H, Xu Y, Lu B, Ma Z, Huang Y, Shi M.   +6 more
europepmc   +1 more source

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Use of a Deformation Coefficient for Transformer Winding Diagnostics

International Journal of Emerging Electric Power Systems, 2008
This paper presents a novel method for deformation diagnostics of transformer windings using terminal measurements. The shortcomings of existing practices in locating deformation and determining its extent are discussed. The logical steps involved in devising the new method are elaborated.
Prasad M Joshi, S V Kulkarni
exaly   +2 more sources

INVESTIGATION OF COPPER DEFORMATION OF COIL WINDINGS DURING WINDING

HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, 2023
Vada uztīšana uz rāmja tiek veikta ar zināmu sasprindzinājumu. Katra veida tinuma stieples optimālais spriegums ir atkarīgs no tinuma veida un maksimālā pieļaujamā sprieguma konkrētajam vadam. Pārmērīgs spriegums izraisīs stieples pagarināšanos, mainīs tā pretestību un sabojās izolāciju.
Ustinovs, Igors, Kļaviņš, Dainis
openaire   +2 more sources

Wind flow deformation inside the wind farm

Journal of Wind Engineering and Industrial Aerodynamics, 1998
Abstract The boundary-layer meso-γ-model was used for calculating of wind and turbulence characteristics inside the wind farm. The study demonstrates the ability of the model to describe wind and turbulence fields in more detail than climatological analysis only.
Lubov A Ivanova, Ekaterina D. Nadyozhina
openaire   +1 more source

The Wind Speed Impact on Stress and Deformation of Composite Wind Turbine Blade

2022
Wind turbines are structures that transform wind energy into other types of energy. In the modern age, wind turbines are closely related to the production of electricity and are considered starters of the green industry. Designing this type of construction is a complex and demanding process.
Nikola Raičević, Danilo Petrašinović, Aleksandar Grbović, Miloš Petrašinović, Martina Balać, Mihailo Petrović   +5 more
openaire   +3 more sources

The “Wind Surf” Deformity—Correcting Fixed Flexion Deformity and Hyperextension in Bilateral CAS TKA

The Journal of Knee Surgery, 2022
AbstractSevere knee arthritis can result in complex coronal and sagittal angular deformities. Windswept deformity is used to describe a varus deformity and contralateral valgus deformity. We recognized a new sagittal pattern at the time of computer-assisted surgery (CAS) in total knee arthroplasty (TKA) in which one knee has a fixed flexion deformity ...
Anoop Jhurani, Neil P. Sheth, Piyush Agarwal, Mukesh Aswal, Mudit Srivastava   +4 more
openaire   +2 more sources

Vacancy winds in cyclic deformation

Scripta Metallurgica, 1983
Abstract From these calculations it is shown that if a deformation induced vacancy flux should occur as hypothesized, it will result in a Zn concentration differrence between the center of a dislocation cell and the dislocation cell walls of at least 10 −3 atom fraction, or possibly more in cylically deformed CuZn alloy.
R.W. Bush, D.J. Quesnel
openaire   +1 more source

Prevention of rotor-winding deformation on turbogenerators

Electrical Engineering, 1944
During recent years there have occurred several cases of failures on turbogenerators which were found to be due to a singular type of deformation of the rotor windings. It is recognized that the deformation of rotor windings is due to forces set up in the windings by the interaction of centrifugal force and temperature change.1 The purpose of this ...
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