نتایج جستجو برای: flexible wave absorber
تعداد نتایج: 338487 فیلتر نتایج به سال:
The wave-energy excitation of point absorbers is highly associated with their resonant movement, and harmonic characteristics are increasing concern in affecting resonance. However, the commonly used linearized power take-off (PTO) systems underestimate impact harmonics. purpose this study to address knowledge gap assessing contribution hydraulic PTO higher wave loads velocities. In present wor...
We describe the design and calibration of an external cryogenic blackbody calibrator used for the first two flights of the Absolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE) instrument. The calibrator consists of a microwave absorber weakly coupled to a superfluid liquid helium bath. Half-wave corrugations viewed 30° off axis reduce the return loss below −35 dB withi...
A diode-pumped LPE-grown Yb:KYW planar waveguide laser is demonstrated in a microchip monolithic cavity configuration. Output powers as high as 148 mW and thresholds as low as 40 mW were demonstrated during continuous-wave operation. Pulses of 170 ns duration with maximum pulse energy of 44 nJ at a 722 kHz repetition rate were generated when Q-switched using a semiconductor saturable absorber m...
Wave mixing with a self-induced grating in a saturable absorber, which is inserted into a resonator, gives special filtering behavior. In a linear Fabry-Perot cavity with gain, the grating forms a self-matched, threemirror laser cavity that can discriminate between modes whose frequency difference is much lower than the grating bandwidth. The effect was used to obtain single-mode lasers with na...
A light and fully flexible artificial muscle fabricated by 3D printing is able to instantly promote its stiffness an induced fringe electric field with different voltages, which then implemented as a semi-active absorber for vibration attenuation.
The article covers the forces acting on sewing machine links and vibrations in caused by these forces, failures faults vibrations, impact of quality. A dynamic model flexible shock absorber mechanism with elastic elements has been developed theoretical problems have solved, nature parameters stresses determined.
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