A simple method is described for estimating end corrections in capillary flow. It is based on Bird's technique for predicting recoverable shear strain from viscosity data and using these predicted values in the Tanner equation. A shortcoming of the method is the technique for correcting the Tanner equation for capillary length to diameter ratio so that this method is not satisfactory for capillaries shorter than a L/D ratio of eight. Using longer dies, good agreement is seen between values corrected by this method and those corrected by the Bagley method. Since this method uses data from a single die, it should be of interest to industrial technologists concerned with the time and effort involved in correcting data via the Bagley method.
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