Year 2019, Volume 3 , Issue 2, Pages 32 - 41 2019-06-30

A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation

Hasan Üstün BAŞARAN [1]


Nowadays, automotive vehicles are generally equipped with diesel particulate filter (DPF) systems in order to meet the strict particulate matter (PM) emission legislations. DPFs are highly practical systems; however, they need periodic active regeneration to clean the collected PM on their filters. Those regeneration processes are mostly effective when engine outlet temperature is above 500oC. At medium load diesel engine operations, exhaust temperatures generally remain below 500oC which is insufficient to maintain active DPF regeneration. Therefore, the aim of this study is to elevate exhaust temperatures above 500oC at those engine loads via modulating waste-gate valve opening (WGVO).

In the analysis, a medium-duty diesel engine is modeled via using Lotus Engine Simulation (LES) software. It is set to operate at 1700 RPM engine speed and within 5.75-7.75 bar brake mean effective pressure (BMEP) engine load. WGVO modulation can control the mass flow rate of hot exhaust gas which bypasses the turbine and moves directly to the DPF. Lower exhaust expansion on turbine due to open waste-gate decreases compressor effectiveness and thus reduces volumetric efficiency. Reduced airflow causes an increase in exhaust temperature from 35oC to 100oC in the load range. While exhaust system can be warmed up above 500oC at 6.75 bar BMEP in half open waste-gate mode, this can only be achieved at 7.5 bar BMEP in waste-gate closed mode. The method is highly effective; however, it results in fuel penalty (up to % 9.2) due to increased cylinder heat loss which needs to be considered.

Diesel Particulate Filter, Active Regeneration, Thermal Management, Exhaust Temperature, Waste-gate Valve Opening
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Primary Language en
Subjects Engineering, Mechanical
Journal Section Volumes
Authors

Orcid: 0000-0002-1491-0465
Author: Hasan Üstün BAŞARAN (Primary Author)
Institution: Izmir Katip Celebi University, Faculty of Naval Architecture and Ocean Engineering
Country: Turkey


Dates

Publication Date : June 30, 2019

Bibtex @research article { ijastech508089, journal = {International Journal of Automotive Science And Technology}, issn = {}, eissn = {2587-0963}, address = {Gazi Üniversitesi Teknoloji Fakültesi Otomotiv Mühendisliği Bölümü, Teknikokullar, Ankara}, publisher = {Otomotiv Mühendisleri Derneği}, year = {2019}, volume = {3}, pages = {32 - 41}, doi = {}, title = {A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation}, key = {cite}, author = {BAŞARAN, Hasan Üstün} }
APA BAŞARAN, H . (2019). A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation. International Journal of Automotive Science And Technology , 3 (2) , 32-41 . Retrieved from https://dergipark.org.tr/en/pub/ijastech/issue/46652/508089
MLA BAŞARAN, H . "A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation". International Journal of Automotive Science And Technology 3 (2019 ): 32-41 <https://dergipark.org.tr/en/pub/ijastech/issue/46652/508089>
Chicago BAŞARAN, H . "A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation". International Journal of Automotive Science And Technology 3 (2019 ): 32-41
RIS TY - JOUR T1 - A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation AU - Hasan Üstün BAŞARAN Y1 - 2019 PY - 2019 N1 - DO - T2 - International Journal of Automotive Science And Technology JF - Journal JO - JOR SP - 32 EP - 41 VL - 3 IS - 2 SN - -2587-0963 M3 - UR - Y2 - 2019 ER -
EndNote %0 International Journal of Automotive Science and Technology A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation %A Hasan Üstün BAŞARAN %T A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation %D 2019 %J International Journal of Automotive Science And Technology %P -2587-0963 %V 3 %N 2 %R %U
ISNAD BAŞARAN, Hasan Üstün . "A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation". International Journal of Automotive Science And Technology 3 / 2 (June 2019): 32-41 .
AMA BAŞARAN H . A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation. ijastech. 2019; 3(2): 32-41.
Vancouver BAŞARAN H . A Simulation Based Study to Improve Active Diesel Particulate Filter Regeneration through Waste-gate Valve Opening Modulation. International Journal of Automotive Science And Technology. 2019; 3(2): 41-32.