A tracer injection system for visualizing engine measurements
An injection system and tracer technology, which is used in engine testing, engine components, machines/engines, etc., can solve problems such as inability to fully and effectively calibrate engine measurement objects, large gaps and errors, and unsatisfactory uniformity. Achieve the effect of saving experimental preparation time, optimizing mixing, and improving observation accuracy
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[0020] (1) Use conventional 3-pentanone with a volume fraction of 10% (Scheme 1), or acetone with a volume fraction of 10% (Scheme 2) and 3-hexanone with a volume fraction of 9% and a volume fraction of 1% 3-Pentanone was mixed in a ratio of 4:1 by volume (Scheme 3) in a tracer proportioning scheme separately placed in the tracer injection valve.
[0021] (2) Use commonly used isooctane or n-pentane with weak fluorescent effect as an alternative fuel, control it through the injection system, place it in the fuel injector, turn on the laser, and adjust the angle to 15° to the axis of the engine cylinder head 65°.
[0022] (3) The piston moves from the top dead center to the bottom dead center driven by the crankshaft; at this time, the intake valve opens, the exhaust valve closes, and the crankshaft rotates 180°. At this time, the tracer and air quickly mix and enter the cylinder. It is further mixed with alternative fuels in the cylinder to form a combustible mixture.
[002...
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