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Potential of porous medium combustion technology as applied to internal combustion engines

  • The paper describes application of a highly porous open cell structures to internal combustion engines for supporting mixture formation and combustion processes. Porous structures, materials and their properties for engine application are discussed in this paper. Especially application to a high temperature combustion processes are considered. Novel concepts for internal combustion engines based on the application of porous medium technology are presented and discussed. The main attention is focused on the engine concepts having potential for homogeneous (nerly emissions free) combustion process under variable engine operational conditions. It is shown that porous media can be used for a great variety of improvements in the combustion process. The key role for NOx reduction and soot emission ellimination is a homogeneous combustion in engine. This can be realised by homogeneous mixture formation, and a 3D ignition preventing from formation of a flame front having a temperature gradient a in the entire combustion volume. All theseThe paper describes application of a highly porous open cell structures to internal combustion engines for supporting mixture formation and combustion processes. Porous structures, materials and their properties for engine application are discussed in this paper. Especially application to a high temperature combustion processes are considered. Novel concepts for internal combustion engines based on the application of porous medium technology are presented and discussed. The main attention is focused on the engine concepts having potential for homogeneous (nerly emissions free) combustion process under variable engine operational conditions. It is shown that porous media can be used for a great variety of improvements in the combustion process. The key role for NOx reduction and soot emission ellimination is a homogeneous combustion in engine. This can be realised by homogeneous mixture formation, and a 3D ignition preventing from formation of a flame front having a temperature gradient a in the entire combustion volume. All these processes: gas flow, fuel injection and its spatial distribution, vaporization, mixture homogenization, ignition and combustion can be controlled or positively influenced with the help of porous media/ceramic reactors.show moreshow less

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Metadaten
Author:Miroslaw Weclas
URN:urn:nbn:de:bvb:92-opus-298
Series (Serial Number):Sonderdruck / Schriftenreihe der Georg-Simon-Ohm-Hochschule, Nürnberg (32)
Document Type:Report
Language:English
Publishing Institution:Technische Hochschule Nürnberg Georg Simon Ohm
Release Date:2009/03/19
Tag:Mixture Direct Injection; Porous Medium Technology; combustion system; engine emission
GND Keyword:Verbrennungsmotor; NOx-Speicherkatalysator; Emissionsverringerung
Source:Sonderdruck / Georg-Simon-Ohm-Fachhochschule, Nürnberg ; 32
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