STUDY ON VIBRATION CHARACTERISTICS OF ROTOR SYSTEM WITH COUPLING FAULT OF DISC⁃SHAFT LOOSENESS AND RUBBING by TIAN DanYang, LI ZhiNong, ZHOU ShiJian, LI YunLong

“…During the operation of the rotor system,parts may fall and loose,resulting in rubbing between the external object and the rotor shaft.To solve this problem,a finite element model of rotor systems with coupling fault was established by considering the case that disc⁃shaft loosening and rubbing occur simultaneously.Ansys was employed to simulate the rotor system.The influence of the looseness on the vibration characteristics of the rotor system was analyzed.Experiments were carried out to verify the simulation results.The results show that the time⁃domain waveform of the rotor system changes periodically,and the spectrogram mainly contains the first harmonic component.With the aggravation of the looseness,high frequency components gradually appear in the spectrum.The initial value of the speed difference of the disc⁃shaft in the start⁃up phase gradually increases with the aggravation of the loosening.The vibration amplitude of the disc center trajectory in the vertical direction also increases with the aggravation of the looseness,and the orbit shape becomes more complex.Due to the influence of the rubbing,the vibration in the vertical direction is obviously suppressed,and its amplitude is smaller than that in the horizontal direction.The research results have very important reference value for the study on dynamic characteristics of rotor systems with coupling faults.…”
Get full text

Double initial and caustic curves in diametrically compressed transparent discs - Application to the contact length by Christos Markides

Subjects: Get full text

Three-dimensional effects on cracked discs and plates under nominal Mode III loading by A. Campagnolo, F. Berto, L. P. Pook

“…Calculation of the SED shows that the position of the maximum SED in the discs case is a function of the thickness. In the plates case instead the position of the maximum SED is independent of plate thickness, contrary to disc results.…”
Get full text

La femme allaitant des serpents et ses liens avec la Luxure by Raphaël Guesuraga

Get full text

Comparison of Fully Convolutional Networks and U-Net for Optic Disc and Optic Cup Segmentation by Jin Zixiao

“…This paper aims to compare two well-known convolutional neural network (CNN) structures, namely Fully Convolutional Networks (FCNs) and U-Net for the segmentation of the optic disc (OD) and optic cup (OC) from retinal fundus images which play an important role in glaucoma diagnosis. …”
Get full text

New Microporous Polymer Electrolyte Based on Polysiloxane Grafted with Imidazolium Iodide Moieties for DSSC by Yan Yang, Jie Tao, Xin Jin, Qi Qin

Get full text

Dissecting the genetic architecture of sunflower disc diameter using genome‐wide association study by Yavuz Delen, Ravi V. Mural, Semra Palali‐Delen, Gen Xu, James C. Schnable, Ismail Dweikat, Jinliang Yang

Subjects: “…disc diameter…”
Get full text

Refractory Central Serous Retinal Detachment in the Presence of Optic Disc Pit – Case Report by Radosław Kaczmarek, Dorota Kaczmarek

Subjects: “…optic disc pit…”
Get full text

Loading Rate Effect of Rock Material with the Direct Tensile and Three Brazilian Disc Tests by Fengqiang Gong, Le Zhang, Shanyong Wang

“…A series of experimental tests were conducted to investigate the effects of loading rate on the tensile strength of sandstone by using four test methods, including a direct tensile method and three typical Brazilian disc methods (plate loading, circular arc loading, and strip loading). …”
Get full text

De l’incident de terrain à l’écriture de l’évocation by Claire Vionnet

Subjects: Get full text

Armand MATTELART (2010), Pour un regard-monde. Entretiens avec Michel Sénécal by François Demers

Get full text

Clinical Observation of Sling Exercise Therapy and Meridian Plucking Manipulation on Lumbar Disc Herniation by LI Li, Ziyun FENG, Jinglong SUN

Subjects: “…lumbar disc herniation…”
Get full text

Entretien avec Samuel KarpieniaL’occitan ou l’expérience du monde by Gilles Suzanne

Get full text

We were never meant to survive : entretien avec la photographe Marion Gronier by Muriel Adrien, Marion Gronier

Get full text

“Encephalopathy Only Stroke Codes” (EoSC) Rarely Result in Stroke as Final Diagnosis by Patrick M. Chen, Dawn M. Meyer, Robert Claycomb, Kunal Agrawal, Brett C. Meyer

“…We assessed the likelihood of “Encephalopathy only Stroke Codes (EoSC)” resulting in a true stroke (EoSC CVA+) final diagnosis. 3860 patients were analyzed in a prospective stroke code registry from 2004 to 2016. …”
Get full text

New-onset gastrointestinal disorders in COVID-19 patients 3.5 years post-infection in the inner-city population in the Bronx by Sagar Changela, Samad Ashraf, Justin Y. Lu, Kevin E. Duong, Sonya Henry, Stephen H. Wang, Tim Q. Duong

Subjects: Get full text

Harnessing the potential of human induced pluripotent stem cells, functional assays and machine learning for neurodevelopmental disorders by Ziqin Yang, Ziqin Yang, Nicole A. Teaney, Nicole A. Teaney, Elizabeth D. Buttermore, Elizabeth D. Buttermore, Elizabeth D. Buttermore, Mustafa Sahin, Mustafa Sahin, Mustafa Sahin, Wardiya Afshar-Saber, Wardiya Afshar-Saber

Subjects: “…hiPSC…”
Get full text

A New Perspective on Hydrogen Chloride Scavenging at High Temperatures for Reducing the Smoke Acidity of PVC in Fires—III: EN 60754-2 and the Species in Solution Affecting pH and Conductivity by Iacopo Bassi, Claudia Bandinelli, Francesca Delchiaro, Gianluca Sarti

Subjects: Get full text

H2O2预处理对骨髓间质干细胞凋亡适应性保护作用的研究

Subjects: Get full text

Evaluation of osteoblast response to polyacrylonitrile infused nano-curcumin coated on titanium discs: Invitro study cell culture experimental study by Shilpi Gupta, N. Gopi Chander, Aravind Bhat, K.V. Anitha

Subjects: Get full text