Fluid Mechanics Modeling of a Dual Flow Filter

Paper #:
  • 970553

Published:
  • 1997-02-24
Citation:
Eleftherakis, J. and Parnell, D., "Fluid Mechanics Modeling of a Dual Flow Filter," SAE Technical Paper 970553, 1997, https://doi.org/10.4271/970553.
Pages:
9
Abstract:
Conventional practice is for automotive engine lubrication filter designers to include many devices in a typical “spin-on” filter. These include the filter element housing, tapping plate, and internal components, such as, an anti-drainback valve, the filter element structural support, the filter media and in some cases, the safety relief valve. Understanding the interaction of all these components before a prototype is built greatly aids in achieving a functional, cost effective solution to meet required flow and pressure drop, filtration efficiency, and contaminant capacity requirements for a particular filter. Furthermore, the investment in modeling a specific filter design enables variations or modifications to be made to the original design very easily and at little cost.This paper presents a detailed mathematical flow model that was developed for a new type of dual flow filter. A fluid flow resistance model was developed for each component of the new filter design using measured pressure-flow data. The basic orifice flow equation was used to define flow coefficients for the model, and example calculations are provided.
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