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Paper Information

Journal:   SCIENTIA IRANICA   2014 , Volume 21 , Number 3 (TRANSACTIONS B: MECHANICAL ENGINEERING); Page(s) 569 To 577.
 
Paper: 

EFFECT OF A NEW WET SOOT ABSORBER ON SOOT REMOVAL OF A DIESEL ENGINE

 
 
Author(s):  GHAZIKHANI M., FEYZ M.E., KHAZAEE I.*, GHAZIKHANI A., MAHMOUDZADEH AKHERAT M.J.
 
* DEPARTMENT OF MECHANICAL ENGINEERING, TORBAT-E-JAM BRANCH, ISLAMIC AZAD UNIVERSITY, TORBAT-E-JAM, IRAN
 
Abstract: 

In the following investigation, a submerged-type Wet Soot Absorber (WSA) is studied, and its capability to reduce the soot emission level of a four cylinder, Direct Injection (DI) diesel engine is evaluated. The WSA can provide a large contact area between water and exhaust flow, which increases the soot capturing probability. Hence, the system can be more compact and suitable for vehicle engine applications. The ECE-R49 standard test is followed to assess the effect of the WSA on engine performance and soot emission. The experiments revealed that a soot removal efficiency of 70% is attained under full-load engine operating conditions, due to the high momentum of exhaust gas flow entering the chamber of the unit and providing more flow penetration into the water. Also, further bubble break-up in high gas velocity results in a larger liquid-gas interface and contributes to better soot removal. The minor negative effects of utilizing the WSA on Brake Specific Fuel Consumption (BSFC) are also compared with those of conventional DPFs, and the advantages of WSA are discussed.

 
Keyword(s): WET SOOT ABSORBER, DIESEL PARTICULATE MATTER, BSFC
 
References: 
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