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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Fouling problems in exhaust gas recirculation coolers in the automotive industry
Heat Transfer Engineering, Volume 32, No. 3-4, Year 2011
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Description
Transportation is responsible for approximately 20% of global greenhouse gas emissions, such as CO2, NOx, and hydrocarbons that have not been burned completely in the engine. In particular, 55% of globally emitted NOx, which is more harmful to the environment than CO 2, is produced by the automotive industry alone. Strict emission standards are now in place that set specific limits to the amount of pollutants that can be released into the environment. The widely used measure to reduce NOx emissions in diesel engines is to return part of the exhaust gas to the intake of the engine. This is usually done through a heat exchanger known as an exhaust gas recirculation (EGR) cooler. However, EGR coolers are subject to severe fouling such that their thermal efficiency can drop by as much as 30% within a very short period of time. More importantly, the deposit layer is a blend of particulate matter and sticky heavy hydrocarbons that are very difficult to remove from the heat exchanger surfaces. The present study addresses this problem and provides a review on required research and development (R&D) activities to mitigate fouling of EGR coolers. Copyright © Taylor and Francis Group, LLC.
Authors & Co-Authors
Abd-Elhady, Mohamed Salama
Egypt, Beni Suef
Beni-suef University
Malayeri, Mohammad Reza
Germany, Stuttgart
Universität Stuttgart
Müller-Steinhagen, Hans M.
Germany, Stuttgart
Universität Stuttgart
Germany, Koln
Deutsches Zentrum Für Luft- Und Raumfahrt Dlr
Statistics
Citations: 62
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1080/01457632.2010.495612
ISSN:
01457632
e-ISSN:
15210537
Research Areas
Environmental