3305D Water test nebular pattern
3305D fuel injector insert showing swirl cone nebular, and 4 steady steams emanating from cooling pores.
Album: Testing fuel injectors
Categories: Combustion
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3305D Water Test Comparison 2
3305D fuel njector insert showing comparison nebular and jet stream pattern with high and low pressure. Left image shows correct hollow cone-shaped aerosol effect from central 6mm orifice, that is also creating a fine mist around and within the cone, and 4 steady steams emanating from cooling pores. Right image shows the effect of reduced pressure: a dropping poorly formed cone, composed of larger slower moving droplets, and a tendency for the thicker spray to combine and cause ‘dribbeling’ with much fluid failing to clear the injector face.
Album: Testing fuel injectors
Categories: Combustion
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3304D Water test nebular pattern showing central jet
3304D higher volume fuel injector insert (with three inlet apertures: 2 swirl, 1 jet) showing swirl cone nebular, steady central jet, and 4 steady steams emanating from cooling pores.
Album: Testing fuel injectors
Categories: Combustion
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3305D Water Test Pattern
3305D injector insert showing larger low-velocity droplets and ‘dribbly’ performance due to insufficient pressure. The cone shaped aerosol is not functioning. Broken streams can be seem emanating from the four cooling pores.
Album: Testing fuel injectors
Categories: Combustion
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3305D Water Test Comparison
3305D injector insert showing comparison nebular and jet stream pattern with high and low pressure. Top image shows correct hollow cone-shaped aerosol effect, from central 6mm orifice, that is also creating a fine mist around and within the cone, and steady steams emanating from cooling pores. Bottom image shows the effect of reduced pressure: a dropping poorly formed cone, composed of larger slower moving droplets, and a tendency for the thicker spray to combine and cause ‘dribbeling’ with much fluid failing to clear the injector face – unlike the image above, where the injector face is clear of drips.
Album: Testing fuel injectors
Categories: Combustion
Tags:
