A model is introduced for analyzing diameter variations occurring in glass fibers drawn from preforms. The heat transfer is shown to be radiation‐dominated, and approximate expressions for radiative exchange are developed. The expressions are used in the one‐dimensional governing equations for extensional flows to derive a set of linearized disturbance equation as an eigenvalue problem. The sensitivity to an oscillatory take‐up rate is also studied as a boundary‐value problem. Calculated amplitudes of final diameter perturbations are found to agree well with experimental values.
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Matthew R. Myers (1989) studied this question.
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