Diesel engine DPF system rapid aging test method and system, medium and application
A rapid aging and DPF technology, which is used in internal combustion engine testing, mechanical component testing, and machine/structural component testing. and filtration efficiency, shortening the development and evaluation cycle, and expanding the scope of application
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[0072] 1, DPF rapid aging theory
[0073] Catalytic DPF (Catalytic DPF, CDPF) is a DPF with a catalytic regeneration as a regenerative principle. At present, CDPF technology has become a main device for diesel engines to control exhaust particles. Device characteristics based on CDPF can be accelerated by increasing its operating temperature. However, due to the use scenarios and technological differences in various CDPFs, the rapid aging method is complicated, and the test conditions are different, and the CDPF aging test methods that can be evaluated in uniform evaluation. From this point of view, the regeneration and aging mechanism of DPF has been studied from this angle. It has found a rapid aging approach to all CDPFs. It can complete the aging of CDPF, which is easy to efficient, and provides the R & D and evaluation of diesel vehicle emission systems. Effective means.
[0074] 2, DPF regeneration mechanism
[0075] The exhaust back pressure and particul...
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