Dynamic cavitation inside a high performance diesel injector - an experimental and CFD investigation

9th International Symposium on Cavitation

Bush, Daniel^1 ; Soteriou, Celia^1 ; Winterbourn, Mark^1 ; Daveau, Christian^1

Delphi Diesel Systems, Gillingham, United Kingdom^1

关键词: CFD modeling;    Control device;    Diesel injectors;    Dynamic Cavitation;    Experimental techniques;    Gain insight;    Real sizes;    Transient flow;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/656/1/012080/pdf
DOI  :  10.1088/1742-6596/656/1/012080

来源: IOP

【 摘 要 】

A combination of simulation and special experimental techniques has been used to investigate the transient flow and cavitation phenomena of a control device inside a high performance diesel injector. Dynamic cavitation behaviour was captured on a large scale transparent model, which was then used to develop and validate an advanced turbulence CFD model with Large Eddy Simulation. These techniques are used within Delphi to gain insight and optimise injector performance at real-size.