Also known as: PD$
PD stands for various terms. Discover the full forms, meanings, and possible interpretations of PD across different fields and industries.
Energy loss in a fluid as it passes through a flow passage. The loss is due to friction between fluid particles and can be measured as a decrease in pressure in the direction of flow. Pressure drop is the loss of pressure that occures when the melt is pushed into a section of the mould during the filling phase.
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