Fuel injection rate measuring system and method based on Zeuch pressure magnetic method
A measurement system and rate technology, applied in the field of fuel spray diagnosis, can solve the problems of high pipe length requirements, high equipment maintenance costs, high coordination requirements, etc., to eliminate non-periodic oscillation, facilitate disassembly and replacement, and ensure cleanliness Effect
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[0041] The present invention will be further described in detail below in conjunction with the drawings.
[0042] Such as figure 1 with figure 2 As shown, the present invention provides a fuel injection rate measurement system based on the principle of Zeuch piezomagnetic method, which is used to accurately measure the fuel injection rate curve under different working conditions, and has a good response effect on different stages of the multiple injection process . The system covers the generation of the fuel injection process of the injector, the collection of the pressure electrical signal caused by the fuel injection in the cavity, the amplification of the pressure electrical signal, the voltage and current conversion process, and the post-processing method to filter the pressure electrical signal And the complete test process of differential operation and calibrating the pressure electric signal to the fuel injection signal according to the experimental system parameters.
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