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Composite multilayered pressure vessels are leakproof containers. This type of pressure vessels is utilizing materials with high strength-to-density and high modules-to-density ratios, to offer significant weight savings over conventional all-metallic pressure vessels for the containment of high-pressure gases and fluids. Composite multilayered pressure vessels are capable of yielding high pressures with very light weight, where they can provide greater structural efficiencies than all-metallic pressure vessels of similar volume and pressure rating. The structural performance efficiency of this type of pressure vessels, when made using advanced fiber/resin composites and equipped with metallic liners, ranges between 2.0 × 106 and 3.0 × 106 cm), based on a pressure vessel performance factor (PV/W) values [1]. However, the structural efficiency of all-metallic pressure vessels ranges between 0.75 × 106 and 1.5 × 106 cm. The composite multilayered cylinders are manufactured on specially designed automatic winding machines. Precise control of the winding pattern and direction of the filaments is required for maximum strength and can only be achieved with controlled machine operation. The equipment in use permits the fabrication of parts in accordance with properly designed parameters so that the reinforced filamentous winding system is in complete balance and optimal strength is obtained. |
