One of the possible modes of vibration of a circular drum (see other modes). Hence, attempts to reduce noise are often related to issues of vibration. vocal cords) these pressure waves can also induce the vibration of structures (e.g. Sound, or pressure waves, are generated by vibrating structures (e.g. The studies of sound and vibration are closely related (both fall under acoustics). Careful designs usually minimize unwanted vibrations. Such vibrations could be caused by imbalances in the rotating parts, uneven friction, or the meshing of gear teeth. For example, the vibrational motions of engines, electric motors, or any mechanical device in operation are typically unwanted. In many cases, however, vibration is undesirable, wasting energy and creating unwanted sound. Vibration can be desirable: for example, the motion of a tuning fork, the reed in a woodwind instrument or harmonica, a mobile phone, or the cone of a loudspeaker. the movement of a tire on a gravel road). the periodic motion of a pendulum), or random if the oscillations can only be analysed statistically (e.g. Vibration may be deterministic if the oscillations can be characterised precisely (e.g. It is suitable for supermarket, specialty store, show window, exhibition hall focus lighting, decorative and background lighting, where attention is focused on subjects to emphasize special visual points.Vibration (from Latin vibrō 'to shake') is a mechanical phenomenon whereby oscillations occur about an equilibrium point.Adjustable lighting orientation with 350° in a horizontal direction and 90° in a vertical direction. 1-circuit and 3-circuit adapters for options. Citizen brand LED, CRI80/90/97 optional. Supreme Aluminum heat sink with great heat dissipation. The aluminum heat sink provides excellent heat dissipation. Changeable lighting orientation with 350° in the horizontal direction and 90° in a vertical direction. Lens optical design with even light output. The LED track light with simple and elegant design, One track light with adjustable beam angle varies from 15°to 60°, creating a diversified and dramatic atmosphere. 350° in horizontal direction and 90° in vertical direction.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |