Modelling of secondary particulate emissions during the regeneration of Diesel Particulate Filters
نویسندگان
چکیده
منابع مشابه
Modeling of the Regeneration Processes in Diesel Particulate Filters
New simulation algorithm of soot oxidation in diesel particulate filter (DPF) is proposed. Two-dimensional finite differences scheme is used for calculation of the heat transfer in DPF (macro-scale). One dimensional model for treatment of the soot oxidation process in a separate filter channel (micro-scale) is based on a new expression for the oxidation reaction rate that is a modification of t...
متن کاملDiesel Particulate Filters [subscription]
● Diesel Filter Regeneration Abstract: Diesel particulate filters capture particle emissions through a combination of surface-type and deep-bed filtration mechanisms, such as diffusional deposition, inertial d positi , or flow-line interception. Collected particulates are removed from the filter, continuously or periodically, through thermal regeneration. Diesel filters are very effective in co...
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A primary means to reduce environmental levels of diesel particulate matter (DPM) exposure to miners is to reduce the amount of DPM emission from the engine. A quick and economic method to estimate engine particulate emission levels has been developed. The method relies on the measurement of pressure increase across a filter element that is briefly used to collect a DPM sample directly from the...
متن کاملA 2-D Diesel Particulate Regeneration Model
Diesel particulate filter (DPF) has been widely applied as the efficient way to reduce the soot emissions from diesel engines. The oxidation of the accumulated soot layer in the particulate filter, known as DPF regeneration, plays a crucial role in the diesel engine operation. It is important to understand the characteristics and fundamentals of this process. A 2D timedependent diesel particula...
متن کاملCFD Simulation of Soot Filtration in Diesel Particulate Filters
Soot emissions from automotive applications can be reduced through on-board diesel particulate filters (DPFs): the filter gets progressively loaded by filtering the soot laden flue gases, thus causing an increasing pressure drop, until an oxidative regeneration is induced by temperature rise. Due to the complexity of the involved phenomena, a fully predictive and detailed mathematical model rep...
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ژورنال
عنوان ژورنال: Energy Procedia
سال: 2017
ISSN: 1876-6102
DOI: 10.1016/j.egypro.2017.12.245