1988-09-01

Mathematical and Experimental Pressure-Deformation Response of Helically Wound Wire Reinforced Elastomeric Hose 881301

Multiple layered high pressure helically wound wire reinforced elastomeric hose are experimentally tested over a wide range of application pressure, hose size, construction, and type (spiral, braided, and combinations of spiral-braided). A mathematical model and computer analysis is presented which adequately fits the data for both radial and axial deformation and hose rotation as a function of hydraulic pressure. Net coupling torque, interlamellar pressure, and wire tension are also computed. Initial unpressurized parameters braid diameter and angle, wire dimensions, mechanical strength, and number of wires per layer are input data into the theoretical equations and can be varied throughout their practical range in search of the optimum hose design.

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