Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Changgeng Shuai"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract An air spring (AS) for ships must have the structural strength of its bellows enhanced considerably to ensure its reliability under high internal pressure and strong impact. In this case, the stiffness of the bellows gradually dominates the
Externí odkaz:
https://doaj.org/article/730186854fad440694afd56b49132a68
Publikováno v:
AIP Advances, Vol 14, Iss 6, Pp 065316-065316-7 (2024)
In practical applications, the signals received by a hydrophone array include coherent and incoherent signals, while estimating the direction of arrival (DOA) of coherent or incoherent signals has been studied for simplicity with poor performance for
Externí odkaz:
https://doaj.org/article/cd81ffbb6d7b4c47ba8a728b9f63d9f5
Publikováno v:
Lubricants, Vol 12, Iss 7, p 261 (2024)
Nitrile butadiene rubber (NBR) and its various composite materials are widely employed as friction materials in mechanical equipment. The use of carbon nanotube (CNT) reinforcement in NBR for improved friction and wear characteristics has become a ma
Externí odkaz:
https://doaj.org/article/11d020f1d56f4afd941947e066d151cb
Publikováno v:
Sensors, Vol 24, Iss 13, p 4412 (2024)
The extraction of typical features of underwater target signals and excellent recognition algorithms are the keys to achieving underwater acoustic target recognition of divers. This paper proposes a feature extraction method for diver signals: freque
Externí odkaz:
https://doaj.org/article/ae7fe2eef1f34fe1940f040394407ee2
Publikováno v:
Shock and Vibration, Vol 2024 (2024)
The composite-laminated rotationally stiffened plate is widely applied in aviation, aerospace, ship, machinery, and other fields. For structural design and optimization, to investigate the vibration characteristics is important. In this paper, a mode
Externí odkaz:
https://doaj.org/article/d3543f2e24114d19bd565602503d8e11
Publikováno v:
Applied Sciences, Vol 14, Iss 9, p 3935 (2024)
Oil spill cleanup in water remains a critical challenge due to the harmful secondary pollution from conventional methods such as burning or chemical degradation. Herein, we present a facile method to fabricate a superhydrophobic and superoleophilic p
Externí odkaz:
https://doaj.org/article/507745ca15d9429bbca86e6b59926936
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e22248- (2023)
Self-Biased Magnetic Pendulum Array (SBMPA) is an efficient and portable transmitter in ultralow frequency (ULF). The resonance frequency of SBMPA is affected by the magnetic field of the radially magnetized cylindrical permanent magnets. In order to
Externí odkaz:
https://doaj.org/article/4e93a4206bcc4d2180b3732405787ba2
Publikováno v:
AIP Advances, Vol 13, Iss 10, Pp 105009-105009-7 (2023)
The magnetic pendulum array (MPA) is a novel mechanical antenna for efficient and portable ultra-low-frequency transmission. Its natural frequency is affected by the magnetic field of its rectangular permanent magnets. In this work, the influence of
Externí odkaz:
https://doaj.org/article/b9c875520da04b95a300fca40719ce16
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 1002 (2024)
In order to study vibro-acoustic characteristics between composite laminated rotationally stiffened plate and acoustic cavities in the coupled system, first-order shear deformation theory (FSDT) and modified Fourier series are used to construct a uni
Externí odkaz:
https://doaj.org/article/bf1a79bfcb2d475f97516f118e9b4ccc
Publikováno v:
Materials & Design, Vol 224, Iss , Pp 111310- (2022)
The water-lubricated bearing will be in a state of poor lubrication when marine stern shafts operate under low speed and heavy load conditions, which could cause severe wear and vibration, endangering the stealth performance of underwater vehicles. I
Externí odkaz:
https://doaj.org/article/a8e453d9ad8e40c7adcd8fc9e08df6df