Zobrazeno 1 - 10 of 25 pro vyhledávání: '"James J. Gumbleton"'
1
Catalysts, Computers, and Cars: A Growing Symbiosis
Autor: Louis Hegedus, James J. Gumbleton
Publikováno v: Proceedings of the 9th Automotive Materials Conference: Ceramic Engineering and Science Proceedings
Catalytic converters not only reduce air pollution from automobiles, but also improve fuel economy by allowing the engine to operate closer to its minimum fuel consumption. The characteristics of automobile engine emissions are examined, and the mech
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a91eddab4db48d9a7e45ece528136f85
https://doi.org/10.1002/9780470291085.ch6
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2
Transient Piston Ring Wear in Automotive Engines Using Fe59
Autor: James J. Gumbleton, William J. Mayer, Farno L. Green
Publikováno v: Nuclear Science and Engineering. 7:313-319
A single cylinder engine with a radioactive iron piston ring was used to observe transient wear during break-in, cold start-up, and changes in speed. Small changes in engine speed and load under so...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e6fef4f2005c155b9890857a6e77aeb
https://doi.org/10.13182/nse60-a25722
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4
Effect of Energy and Emission Constraints on Compression Ratio
Autor: James J. Gumbleton, James H. Currie, George W. Niepoth
Publikováno v: SAE Technical Paper Series.
This paper describes the results of a study to evaluate the relationship of compression ratio on fuel energy conservation with the constraint of the 1977 Federal emission standards (1.5 HC, 15.0 CO and 2.0 NOX). The influence of the energy losses in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2256acc717fcee4fb88adf6e67c8eaa5
https://doi.org/10.4271/760826
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8
General Motors Progress Towards the Federal Research Objective Emission Levels
Autor: James J. Gumbleton, Bruce E. Zemke
Publikováno v: SAE Technical Paper Series.
Six vehicles that have achieved the Federal research objective emission levels at low mileage are described. Two vehicles have completed 50,000 miles of durability below the .41/3.4/.41 g/mi levels. Two vehicles failed these emission levels by 10,000
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaad45990c3ac27011bba8ff661dadfb
https://doi.org/10.4271/800398
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9
Emission Control With Lean Mixtures
Autor: James J. Gumbleton, John F. Schweikert
Publikováno v: SAE Technical Paper Series.
Nitrogen oxide emissions can be controlled through engine operation with lean homogeneous air/fuel mixtures. This emission control approach precludes the need for exhaust gas recirculation (EGR) and secondary air injection systems. The Lean Mixture c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8152205faeb75e4bd7f74fa065c07cf5
https://doi.org/10.4271/760226
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10
Optimizing Engine Parameters with Exhaust Gas Recirculation
Autor: Robert A. Bolton, H. Walter Lang, James J. Gumbleton
Publikováno v: SAE Technical Paper Series.
In addition to designing and developing hardware to control the exhaust gas recirculation (EGR) rate, it is equally important to tailor the other engine variables. Optimization of air-fuel ratio (A/F) and spark timing is required to achieve the best
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3732fed8afd1445facd0227ef8e17683
https://doi.org/10.4271/740104
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