The Resource Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer
Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer
Resource Information
The item Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of Missouri-Kansas City Libraries.This item is available to borrow from all library branches.
Resource Information
The item Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of Missouri-Kansas City Libraries.
This item is available to borrow from all library branches.
- Summary
- "The size, morphology and volume fraction of sub-micron particulate matter emitted from a compression ignition (diesel) engine was investigated using thermophoretic sampling experiments followed by direct visual characterizations under transmission electron microscopy. Specifically, measurements were conducted at the exhaust of a 6059T John Deere, 5.9 L, 6 cylinder, turbocharged, direct injection diesel engine. The particles observed were composed of nearly spherical primary particles (spherules) that formed aggregates of various sizes and shapes. The size distributions of spherules and aggregates were separately measured to obtain the available surface area, which is crucial for estimating the environmental and health impact of particles. Aggregate fractal dimensions and prefactors were also quantified. Different engine speeds and relative loads were considered to determine the effects of typical engine operating conditions on the particulate properties. The present mean spherule diameters were in the range of 20-35 nm while the mean aggregate diameters were in the range of 160 to 350 nm. 98% of the measured aggregates were smaller than a gyration diameter of 1 [mu]m; indicating that the current regulations based on PM(2.5) may be insufficient. Fractal dimensions and prefactors were in the range of 1.77 ± 0.14 and 1.8 ± 0.5, respectively, characteristics of the cluster-cluster aggregation mechanism. These fractal properties are consistent with the numerous past studies in various laboratory flames and a recent study in another diesel engine. Soot volume fractions were also estimated based upon thermophoretic sampling experiments developed from laboratory flames. These measurements implemented for the first time in a diesel engine yielded soot volume fractions on the order of 0.001 to 0.01 ppm"--Abstract, page iii
- Language
- eng
- Extent
- 1 online resource (ix, 59 pages)
- Note
- Vita
- Label
- Effect of engine operating conditions on the size and morphology of diesel particulate emissions
- Title
- Effect of engine operating conditions on the size and morphology of diesel particulate emissions
- Statement of responsibility
- by Adam Neer
- Language
- eng
- Summary
- "The size, morphology and volume fraction of sub-micron particulate matter emitted from a compression ignition (diesel) engine was investigated using thermophoretic sampling experiments followed by direct visual characterizations under transmission electron microscopy. Specifically, measurements were conducted at the exhaust of a 6059T John Deere, 5.9 L, 6 cylinder, turbocharged, direct injection diesel engine. The particles observed were composed of nearly spherical primary particles (spherules) that formed aggregates of various sizes and shapes. The size distributions of spherules and aggregates were separately measured to obtain the available surface area, which is crucial for estimating the environmental and health impact of particles. Aggregate fractal dimensions and prefactors were also quantified. Different engine speeds and relative loads were considered to determine the effects of typical engine operating conditions on the particulate properties. The present mean spherule diameters were in the range of 20-35 nm while the mean aggregate diameters were in the range of 160 to 350 nm. 98% of the measured aggregates were smaller than a gyration diameter of 1 [mu]m; indicating that the current regulations based on PM(2.5) may be insufficient. Fractal dimensions and prefactors were in the range of 1.77 ± 0.14 and 1.8 ± 0.5, respectively, characteristics of the cluster-cluster aggregation mechanism. These fractal properties are consistent with the numerous past studies in various laboratory flames and a recent study in another diesel engine. Soot volume fractions were also estimated based upon thermophoretic sampling experiments developed from laboratory flames. These measurements implemented for the first time in a diesel engine yielded soot volume fractions on the order of 0.001 to 0.01 ppm"--Abstract, page iii
- Cataloging source
- UMR
- http://library.link/vocab/creatorDate
- 1980-
- http://library.link/vocab/creatorName
- Neer, Adam
- Degree
- M.S.
- Dissertation year
- 2005.
- Granting institution
- University of Missouri--Rolla
- Illustrations
- illustrations
- Index
- no index present
- Literary form
- non fiction
- Nature of contents
-
- dictionaries
- bibliography
- theses
- http://library.link/vocab/subjectName
-
- Diesel motor exhaust gas
- Soot
- Morphology
- Diesel motor exhaust gas
- Morphology
- Soot
- Label
- Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer
- Note
- Vita
- Bibliography note
- Includes bibliographical references (pages 57-58)
- Carrier category
- online resource
- Carrier category code
-
- cr
- Carrier MARC source
- rdacarrier.
- Content category
- text
- Content type code
-
- txt
- Content type MARC source
- rdacontent.
- Control code
- 909027990
- Extent
- 1 online resource (ix, 59 pages)
- Form of item
- online
- Media category
- computer
- Media MARC source
- rdamedia.
- Media type code
-
- c
- Other physical details
- illustrations.
- Specific material designation
- remote
- System control number
- (OCoLC)909027990
- Label
- Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer
- Note
- Vita
- Bibliography note
- Includes bibliographical references (pages 57-58)
- Carrier category
- online resource
- Carrier category code
-
- cr
- Carrier MARC source
- rdacarrier.
- Content category
- text
- Content type code
-
- txt
- Content type MARC source
- rdacontent.
- Control code
- 909027990
- Extent
- 1 online resource (ix, 59 pages)
- Form of item
- online
- Media category
- computer
- Media MARC source
- rdamedia.
- Media type code
-
- c
- Other physical details
- illustrations.
- Specific material designation
- remote
- System control number
- (OCoLC)909027990
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<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.library.umkc.edu/portal/Effect-of-engine-operating-conditions-on-the-size/3UiXOzxVHtA/" typeof="Book http://bibfra.me/vocab/lite/Item"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.library.umkc.edu/portal/Effect-of-engine-operating-conditions-on-the-size/3UiXOzxVHtA/">Effect of engine operating conditions on the size and morphology of diesel particulate emissions, by Adam Neer</a></span> - <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.library.umkc.edu/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="http://link.library.umkc.edu/">University of Missouri-Kansas City Libraries</a></span></span></span></span></div>
