|
|
|
|
|
Lin Yang, Yansong Wang, Lei Wei and Yao Chen
The spaceborne solar observation system is crucial for the study of space phenomena such as solar flares, which requires high tracking accuracy. This study presents a coupling model that integrates mechanical, electrical, and control models to investigat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenxiang Xu, Jianjun Shi and Hao Zhang
Building a new tunnel adjacent to an existing tunnel has become a common means of transformation in engineering. Existing tunnels are prone to some deterioration, such as cavities and cracks under long-term traffic load. This kind of deterioration tunnel...
ver más
|
|
|
|
|
|
|
|
|
|
|
Benedikt Tappauf, Karoline Alten, Marianne Legenstein, Marlene Ofner and Rainer Flesch
The article provides practical recommendations on the use of force density spectra in vibration prediction along railway lines.
|
|
|
|
|
|
|
|
|
|
|
Jae-Hyeon Park, Seong-Keun Jeong and Hyun-Ung Oh
A critical-strain-based methodology was proposed to overcome the theoretical limitations of Steinberg?s method, and its effectiveness was experimentally verified through fatigue tests of ball grid arrays, column grid arrays, and lead-type specimens on pr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kang Wang, Zhi-Jiang Xu, Yi Gong and Ke-Lin Du
Vibration signal analysis is the most common technique used for mechanical vibration monitoring. By using vibration sensors, the fault prognosis of rotating machinery provides a way to detect possible machine damage at an early stage and prevent property...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vadim Paziuk,Volodymyr Dub,Oleg Tereshkin,Andreii Zahorulko,Igor Lebedynets,Dima Pankov,Anna Hotvianska
Pág. 24 - 30
The proposed engineering and technological solutions are aimed at improving the operation of a low-temperature drum grain dryer by using a combined mechanical vibration exciter, with the further justification of low-temperature regime parameters. Existin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Baptiste Chomette and Jean-Jacques Sinou
Friction-Induced Vibration and noisE (FIVE) is still a complex and nonlinear physical phenomenon which is characterized by the appearance of instabilities and self-sustained vibrations. This undesirable vibrational phenomenon is encountered in numerous i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jonathan Ruiz-Jaramillo, Laura Montiel-Vega, Luis José García-Pulido, Carmen Muñoz-González and Álvaro Blanca-Hoyos
A methodology is presented based on in situ ambient vibration tests to estimate the fundamental frequency, as well as the global Young?s modulus, of different types of watchtowers (13th?18th century) built with masonry, while a number of examples constru...
ver más
|
|
|
|
|
|
|
|
|
|
|
Semin Ryu, Dongbum Pyo, Soo-Chul Lim and Dong-Soo Kwon
Recently, methods and devices that simultaneously utilize two or more tactile feedback types have been proposed for more immersive interaction with virtual objects. However, the masking effect, which makes us less sensitive to various stimuli presented a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sunwoo Yuk, Kiwon Choi, Sang-Geon Park and Sukmin Lee
The results obtained by this paper are used as data for establishing test standards for lithium batteries used in electric wheelchairs. In addition, the test results derived from this paper have been consistently discussed in ISO TC173 SC1 WG and ICMDE 2...
ver más
|
|
|
|
|
|
|
|
|
|
|
Luca Taraborrelli, Robyn Grant, Matthew Sullivan, Simon Choppin, James Spurr, Steve Haake and Tom Allen
The tennis racket has developed since the origins of Lawn Tennis in the 1870s. This study investigated how the tennis racket developed from 1874 to 2017, using measurements and material classifications for 525 samples. Racket measurements covered geometr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohammad-Reza Ahmadian-Yazdi, Mehran Habibi and Morteza Eslamian
In this work, a novel, facile, and low-cost mechanical post treatment technique, i.e., ultrasonic substrate vibration post treatment (SVPT) is applied on wet spun perovskite layers. The effect of varying the time of the SVPT on the characteristics of the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ján Labun, Stanislav Fábry, Marek Ce?kovic, Pavol Kurdel
Pág. 149 - 155
Presented paper concentrates on accidentally identified, specific method of mechanical vibration demodulation, radiated high-frequency signal of aircraft communication antenna, located directly on the aircraft. It describes the structure and solution of ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Renáta Tihanyi-Kovács, Balázs Ásványi, Erika Lakatos, Ferenc Bánáti, László Varga and Péter Böröcz
Bottled mineral water is distributed globally through complex supply chains, making it available far beyond its bottling plants. In low-viscosity food matrices, invisible changes may occur due to shaking. The primary purpose of this research was to inves...
ver más
|
|
|
|
|
|
|
|
|
|
|
Joseph Dei Rossi, Ozgur Keles and Vimal Viswanathan
The recent development of RepRap style 3D printers has made additive manufacturing technology available to the public at a low cost. While these 3D printers are being used for a variety of purposes, one of the main applications is prototyping in design p...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chunyun Shen, Genpei Li, Zhongxu Tian, Chang Chen and You Zhou
The torsional stiffness parameter significantly influences the natural frequency of a leaf spring torsional vibration damper and its proper match with a diesel engine, and the nonlinear characteristics of torsional stiffness avoid reduced reliability due...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hiroyuki Yaguchi, Izuru Kimura and Shun Sakuma
-
|
|
|
|
|
|
|
|
|
|
|
Jianzhong Zhou, Xuanlin Peng, Ruhai Li, Yanhe Xu, Han Liu and Diyi Chen
This paper presents an investigation on the undesirable vibration of an oblique-stud stator frame in a large hydropower generator by means of experimental and finite element (FE) analysis. First, field experimental tests were performed, and the results i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fan Li, Zixiao Lu, Junyue Tang, Weiwei Zhang, Yahui Tian, Zhongyu Cui, Fei Jiang, Honglang Li and Shengyuan Jiang
During drilling into the soil, the rotating mechanical structure will be affected by soil particles and external disturbances, affecting the health of the rotating mechanical structure. Therefore, real-time monitoring of the operational status of rotatin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nitesh Kumar, Ananda Babu, Alok Kumar Das and Ashish Kumar Srivastava
This paper presents an evaluation of the mechanical properties of nanocomposites when a lower concentration of nanoparticles graphene and ceramics are mixed with epoxy to determine the damping and stability characteristics of hybrid epoxy, using vibratio...
ver más
|
|
|
|
|
|