CORIA Uses Malvern Spraytec in Fuel Injector Research

Researchers at Complexe de Recherche Interprofessionnel en Aerothermochemie (CORIA), part of the University of Rouen in France, are using a Spraytec particle size analyzer from Malvern Instruments to gain new insight into fuel injector behaviour. Their research supports the automotive industry in the development of new injector technologies.

Critical for this work is the extremely fast 10 kHz measurement rate of the Spraytec system, and also its ability to accurately measure dense sprays. Malvern and CORIA are jointly continuing with further research to optimize methods for the analysis of concentrated, rapid, spray systems; the results will be published during 2007.

Research at CORIA is currently focused on aspects of the design and operation of injectors for combustion applications. Of particular interest are port fuel, and direct injection and diesel injection systems for the automotive industry. The Spraytec delivers the temporal resolution necessary to study the very short, pulsed events that characterize these systems.

The Spraytec is specifically designed to be a robust tool for industrially relevant spray analysis. It has an open bench configuration and a wide dynamic range, features that were highlighted by the CORIA team as being extremely important for their work. A multiple scattering algorithm ensures that concentrated sprays are accurately measured. The ongoing joint research between CORIA and Malvern is intended to provide guidance on the operation of this algorithm.

Located in the Madrillet "Technopôle" in Saint-Etienne Du Rouvray, France, the UMR 6614 - CORIA is supported by the CNRS, the University and the INSA of Rouen. The staff of this laboratory are of the order of 180 people including 60 CNRS researchers and university lecturers, 40 assisting technicians, and 80 PhD and post-doctoral students. The activities of the research unit are determined on the basis of projects that can be divided into six topics, namely combustion, plasmas, two-phase flows, turbulence (transport processes), control, atmospheric pollution (emissions and impacts), electromagnetism, optics and optoelectronics.

About Malvern Instruments
Malvern Instruments is a global company that develops, manufactures and markets advanced analytical systems used in characterizing a wide variety of materials, from bulk powders to the latest nanomaterials and delicate macromolecules. Innovative technologies and powerful software produce systems that deliver industrially relevant data enabling customers to make the connection between micro (eg particle size) and macro (bulk) material properties (rheology) and chemical composition (chemical imaging). Malvern laboratory, on-line and in-line solutions are proven in sectors from cement to pharmaceuticals and support the understanding, improvement and optimization of many industrial processes.

Headquartered in Malvern, UK, the company has subsidiary organizations in all major European markets, North America, China, Korea and Japan, key partnerships in India, a global distributor network and a number of applications laboratories around the world.

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