Zobrazeno 1 - 10
of 868
pro vyhledávání: '"noise and vibration"'
Publikováno v:
Cogent Engineering, Vol 11, Iss 1 (2024)
AbstractReactors produce noise that negatively impacts the environment during their operation. This study focused on vibration and noise reduction in shunt oil reactors through an enhanced design, aiming to mitigate these environmental consequences.
Externí odkaz:
https://doaj.org/article/7db822e48b884bd6aa8e9638f43a1838
Publikováno v:
International Journal of Occupational Safety and Health, Vol 14, Iss 3 (2024)
Introduction: Block-making industries owned by private individuals are cited in cities to utilize the existing market opportunity of supplying concrete blocks to developers. The study aimed to measure noise and vibration levels at selected block-mold
Externí odkaz:
https://doaj.org/article/4095b2355c26413aa8e52ad41733cff0
Autor:
Jiajun HONG, Takuya YOSHIMURA
Publikováno v:
Mechanical Engineering Journal, Vol 11, Iss 3, Pp 23-00007-23-00007 (2024)
This work investigates the availability of the baseline approach proposed in the previous researches, and expands the applicability of the method for noise and vibration optimization. Based on the s-plane extension theory, baseline was formed by intr
Externí odkaz:
https://doaj.org/article/da35615f5b1c4ccdad2fd03ae27ed46a
Publikováno v:
Asian Pacific Journal of Environment and Cancer, Vol 6, Iss 1, Pp 163-168 (2023)
Introduction: Exposure to vibration and noise has been identified to potentially contribute to work-related fatigue, consequently causing a range of adverse effects on job performance. Method: In this study, a sample of 62 city bus drivers underwent
Externí odkaz:
https://doaj.org/article/c8be3bb4ba21461e8fbb1e9f537a2fc0
Publikováno v:
Buildings, Vol 14, Iss 8, p 2342 (2024)
In view of the problem that vibration of superstructures under vibration loads of metro trains causes, this research used a metro depot and superstructure project as its background and proposed a numerical simulation method based on the impedance ana
Externí odkaz:
https://doaj.org/article/164118354dbd45779e05c44d18ed1343
Publikováno v:
IEEE Access, Vol 11, Pp 56324-56335 (2023)
The use of pulse width modulation (PWM) to drive permanent magnet synchronous motors (PMSM) inevitably creates current harmonics. The generated current harmonics create harmonic components of the electromagnetic force, causing noise and vibration in
Externí odkaz:
https://doaj.org/article/3b8dde30ebee4548bc3dd7bd021a2ec2
Publikováno v:
IEEE Access, Vol 11, Pp 27702-27718 (2023)
Today, the majority of the commercial electrified vehicles use Interior Permanent Magnet Motors (IPMSMs) for propulsion. An IPMSM can deliver high starting torque and high efficiency in the low- and medium-speed operation, which makes it attractive f
Externí odkaz:
https://doaj.org/article/213107a320af407c8e0eaa7a74229ea5
Autor:
Jiman Kim, Hyunsu Kim
Publikováno v:
Machines, Vol 12, Iss 3, p 148 (2024)
With the recent conversion of internal combustion engines to electric vehicles, new noise issues have arisen, and among them, the noise generated by internal vehicle auxiliary systems is being considered. This study introduces an electronic filter de
Externí odkaz:
https://doaj.org/article/8d176a3b26c64c458ca447942195779f