3D CFD Model of DI Diesel Low Pressure Fuel Pump System

Paper #:
  • 2017-01-2304

Published:
  • 2017-10-08
Abstract:
This paper discusses the holistic approach of simulating a low pressure pump (LPP) including test stand flow dynamics. The simulation includes all lines, valves, filters, and tank of the test stand providing realistic test operating in the simulation. The capability to capture all line dynamics enables a robust design against resonances and delivers high-quality performance data. Comparison with actual test data agrees very well giving us confidence in the prediction capability of PumpLinx. Despite the large spatial extent of the test stand, PumpLinx is able to generate a feasible mesh resulting in acceptable turn-around times. The ability to still model small gaps and clearance of the LPP very efficiently enables inclusion of realistic tolerances as experienced on hardware. This allows us to translate simulation results for limit sample runs without procurement of hardware reducing development time and cost.
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