Exact(19)
Kevlar can be made into strong, tough, stiff, high-melting fibres, five times stronger per weight than steel; it is used in radial tires, heat- or flame-resistant fabrics, bulletproof clothing, and fibre-reinforced composite materials for aircraft panels, boat hulls, golf-club shafts, and lightweight bicycles.
Aside from the above-mentioned bulletproof vests, Kevlar and its competitors are employed in belts for radial tires, cables, reinforced composites for aircraft panels and boat hulls, flame-resistant garments (especially in blends with Nomex), sports equipment such as golf club shafts and lightweight bicycles, and as asbestos replacements in clutches and brakes.
Aside from lightweight body armour, Kevlar and its competitors are employed in belts for radial tires, cables, reinforced composites for aircraft panels and boat hulls, flame-resistant garments (especially in blends with Nomex), and sports equipment such as golf club shafts and lightweight bicycles and as replacements for asbestos in automobile clutches and brakes.
Theoretical predictions have been compared with laboratory measurements conducted on both model structures and aircraft panels.
Acoustic transmissibility of aircraft panels is measured in full-scale test rigs.
These thin aircraft panels are excited by ever increasing acoustic energy, causing the vibration to become nonlinear.
Similar(41)
In an accompanying paper the predicted and measured response of a turbulence excited aircraft panel are compared.
This formulation is used in Part II for predicting the statistical response of an aircraft panel excited by a turbulent boundary layer.
The model is of a typical aircraft panel in service conditions with attached piezoelectric actuators, coupled to the interior acoustics of a rigid-wall cylinder.
The objective of the present study is to investigate and quantify how sensitive the response of an aircraft panel is to the change of the turbulent flow parameters.
A precise definition of the turbulent boundary layer excitation is required to accurately predict the sound radiation and surface vibration levels, produced by an aircraft panel excited turbulent flow during flight.
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