Composite rod pressure drop prediction method and device, equipment and storage medium

The invention discloses a composite rod pressure drop prediction method and device, equipment and a storage medium, and relates to the field of modeling simulation, and the method comprises the steps: building a plurality of common filter rod models through CFD fluid simulation, and determining the corresponding physical performance parameters of the common filter rod models under a plurality of different specifications; constructing a plurality of common filter sticks based on the common filter stick model and preset filter stick setting parameters, and performing simulation verification on the common filter sticks so as to adjust physical performance parameters according to a verification result; constructing a plurality of composite rods based on the adjusted target physical performance parameters and the plurality of common filter rods, and calculating corresponding pressure drop data of the plurality of composite rods under a plurality of different preset filter rod setting parameters; and adjusting a pr