Zobrazeno 1 - 10
of 1 678
pro vyhledávání: '"low frequency vibration"'
Publikováno v:
Nano Convergence, Vol 11, Iss 1, Pp 1-18 (2024)
Abstract In this study, we achieved energy localization and amplification of flexural vibrations by utilizing the defect mode of plate-attachable locally resonant metamaterials, thereby realizing compact and low-frequency vibration energy suppression
Externí odkaz:
https://doaj.org/article/e8085c3e06714fada5503b72e9e0a3b6
Publikováno v:
Alexandria Engineering Journal, Vol 100, Iss , Pp 92-110 (2024)
Energy harvesting from external Ultra-low frequency vibrations is currently attracting a lot of attention. However, for the same system, it is difficult to satisfy the need for more efficient energy harvesting in a variety of external environments. A
Externí odkaz:
https://doaj.org/article/e110a36ec4534659be4eb34a3513be58
Autor:
David Gandia, Eneko Garaio, J.J. Beato-López, Isaac Royo-Silvestre, Carlos A. de la Cruz Blas, Santiago Tainta, Cristina Gómez-Polo
Publikováno v:
Energy Conversion and Management: X, Vol 24, Iss , Pp 100705- (2024)
Electromagnetic vibrational harvesters are low-cost devices featuring high-power densities and robust structures, often used for capturing the energy of environmental vibrations (civil infrastructures, transportation, human motion, etc.,). Based on F
Externí odkaz:
https://doaj.org/article/9a1a5a518bdb4335b1b28bc5defae869
Publikováno v:
Urban Rail Transit, Vol 10, Iss 4, Pp 361-375 (2024)
Abstract To maximize the use of urban land, many cities have built buildings above metro depots. However, the low-frequency vibration caused by metro operation affects the lives of surrounding residents, which seriously restricts the further developm
Externí odkaz:
https://doaj.org/article/ec34b041a1664000b73b64922fca0a94
Publikováno v:
Jixie chuandong, Vol 48, Pp 109-117 (2024)
As a key component of the integrated transmission device of tracked armored vehicles, the confluence planetary row has the advantages of high transmission efficiency, high load capacity and compact space structure, but its working condition is very c
Externí odkaz:
https://doaj.org/article/d5c45745213b4ad2b476787ca52f26a9
Publikováno v:
陆军军医大学学报, Vol 46, Iss 1, Pp 58-65 (2024)
Objective To establish an acute low back pain (ALBP) model by simulating low-frequency vibration of helicopters and explore the causes of ALBP in army aviation pilots in order to provide a reliable animal model and evaluation method for its pathogene
Externí odkaz:
https://doaj.org/article/0ca17ef85d3d4c4191e051549141233e
Publikováno v:
Actuators, Vol 13, Iss 11, p 448 (2024)
Driven by frequency conversion, the windings of a three-phase permanent magnet synchronous motor (PMSM) contain both odd and even harmonic currents. Due to the motor’s pole–slot conductance modulation, the interaction between the magnetic fields
Externí odkaz:
https://doaj.org/article/976ab824eb12419095b6e14500c810b5
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 4, Pp JAMDSM0050-JAMDSM0050 (2024)
Low-frequency vibration cutting technology can actively generate an intermittent cutting process in which chips are broken up by vibrating the tool in the feed direction synchronized with the spindle rotation. The sinusoidal oscillation superimposed
Externí odkaz:
https://doaj.org/article/3e25b75ebca048c1bf1ad54b0ada5cd2
Publikováno v:
Developments in the Built Environment, Vol 18, Iss , Pp 100457- (2024)
This study proposes a sandwiched composite locally resonant metamaterial (SLRM) system and SLRM-embedded plate structure (SLRMeP) to effectively control low-frequency vibrations and sound radiation. The wave control mechanism and configuration of the
Externí odkaz:
https://doaj.org/article/7761af6e7e814058ab666910f4eb1eed
Autor:
Daijiro Haba, Qi Qin, Chihiro Takizawa, Sanai Tomida, Takeo Minematsu, Hiromi Sanada, Gojiro Nakagami
Publikováno v:
Journal of Diabetes Investigation, Vol 14, Iss 12, Pp 1356-1367 (2023)
Abstract Aims/Introduction Local low‐frequency vibration (LLFV) promotes vasodilation and blood flow, enhancing wound healing in diabetic foot ulcers with angiopathy. However, vibration‐induced vasodilation does not occur, owing to chronic hyperg
Externí odkaz:
https://doaj.org/article/24c7b7d6b6b6419a8eec102f17ded9ec