Results 81 to 90 of about 1,514 (209)

Conventional engine technology. Volume 3: Comparisons and future potential [PDF]

open access: yes
The status of five conventional automobile engine technologies was assessed and the future potential for increasing fuel economy and reducing exhaust emission was discussed, using the 1980 EPA California emisions standards as a comparative basis. By 1986,
Dowdy, M. W.
core   +1 more source

Summary of emissions reduction technology programs [PDF]

open access: yes, 1977
The NASA emissions reduction contract programs for EPA aircraft engine classes P2 (turboshaft engines), T1 (jet engines with thrust under 8000 lb), T4 (JT8D) engines), and T2 (jet engines with thrust over 8000 lb) are discussed.
Niedzwiecki, R. W.
core   +1 more source

Analysis of variations in diesel engine idle vibration [PDF]

open access: yes, 2003
The variations in diesel engine idle vibration caused by fuels of different composition and their contributions to the variations in steering wheel vibrations were assessed.
Ajovalasit, M, Giacomin, J
core   +1 more source

Study on combustion and emissions of methanol engines based on active pre-chamber jet ignition technology

open access: yesCase Studies in Thermal Engineering
Against the backdrop of the ''dual carbon'' goals, this study addressed the challenges of narrow lean-burn limits and low thermal efficiency in conventional spark-ignition (SI) methanol engines by proposing the active pre-chamber jet ignition (APCH-JI ...
Yafeng Ren   +4 more
doaj   +1 more source

Experimental Evaluation of a Low Emissions High Performance Duct Burner for Variable Cycle Engines (VCE) [PDF]

open access: yes
An evaluation was conducted with a three stage Vorbix duct burner to determine the performance and emissions characteristics of the concept and to refine the configuration to provide acceptable durability and operational characteristics for its use in ...
Lohmann, R. P., Mador, R. J.
core   +1 more source

Comparative study of the photodeposition of Pt, Au and Pd on pre-sulphated TiO2 for the photocatalytic decomposition of phenol [PDF]

open access: yes, 2011
A comparative study of the photodeposition of Pt, Au and Pd under the same experimental conditions onto pre-sulphated and non-sulphated TiO2 was performed.
Colón Ibáñez, Gerardo   +3 more
core   +1 more source

Operation manual for the NOTS-NASA Rocket- Motor Acoustic Test Facility steady-state resonance tests with flow [PDF]

open access: yes
Operation manual for steady state resonance tests through flow at rocket motor acoustic test ...
Buffum, F. G.   +2 more
core   +1 more source

Адаптация способа совмещенной прокатки-прессования для изготовления полуфабрикатов и изделий из сортной сыпучей стружки алюминиевых сплавов [PDF]

open access: yes, 2015
Was proposed a device for obtaining deformed semi-finished products from chip of aluminum alloys with use combined methods of treatment. Carried experiments to obtain rods and receipted data about their mechanical propertiesПредложено устройство для ...
Bespalov, Vadim M.   +7 more
core  

Analytical fuel property effects--small combustors [PDF]

open access: yes
The consequences of using broad-property fuels in both conventional and advanced state-of-the-art small gas turbine combustors are assessed. Eight combustor concepts were selected for initial screening, of these, four final combustor concepts were chosen
Miles, G. A.   +2 more
core   +1 more source

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