Results 81 to 90 of about 147,167 (357)

Optimal Cold-Start Control of a Gasoline Engine

open access: yesEnergies, 2017
This article analyzes the influence of the ignition retardation on the fuel consumption, the cumulative tailpipe hydrocarbon emissions, and the temperature inside the three-way catalytic converter in a gasoline direct injection engine operated under ...
Raffael Hedinger   +2 more
doaj   +1 more source

Initial characterization of an Experimental Referee Broadened-Specification (ERBS) aviation turbine fuel [PDF]

open access: yes
Characterization data and a hydrocarbon compositional analysis are presented for a research test fuel designated as an experimental referee broadened-specification aviation turbine fuel.
Prok, G. M., Seng, G. T.
core   +1 more source

Dual-fuel, dual-mode rocket engine [PDF]

open access: yes, 1989
The invention relates to a dual fuel, dual mode rocket engine designed to improve the performance of earth-to-orbit vehicles. For any vehicle that operates from the earth's surface to earth orbit, it is advantageous to use two different fuels during its ...
Martin, James A.
core   +1 more source

Bridging Green Chemistry and Circular Economy: A Pathway to Sustainable Polyester Plastics Through Feedstock, Synthesis, and Waste Upcycling

open access: yesAdvanced Science, EarlyView.
This review summarizes green and low‐carbon strategies throughout the entire life cycle of polyester plastics, including sustainable monomer synthesis, optimization polymerization, efficient recycling, and advanced upcycling technologies. The synergistic implementation of these strategies is expected to significantly promote the development of a ...
Jinzhou Li   +5 more
wiley   +1 more source

Apparatus for making a metal slurry product Patent [PDF]

open access: yes, 1960
Apparatus for producing hydrocarbon slurry containing small particles of magnesium for use as jet aircraft ...
Prok, G. M., Walsh, T. J., Witzke, W. R.
core   +1 more source

Effects of an on line bypass oil recycler on emissions with oil age for a bus using in service testing [PDF]

open access: yes, 2001
A method of cleaning lubricating oil on line was investigated using a fine bypass particulate filter followed by an infra red heater. Two bypass filter sizes of 6 and 1 micron were investigated, both filter sizes were effective but the one micron ...
Andrews, G.E.   +4 more
core   +1 more source

Non‐Equilibrium Synthesis Methods to Create Metastable and High‐Entropy Nanomaterials

open access: yesAdvanced Science, EarlyView.
ABSTRACT Stabilizing multiple elements within a single phase enables the creation of advanced materials with exceptional properties arising from their complex composition. However, under equilibrium conditions, the Hume–Rothery rules impose strict limitations on solid‐state miscibility, restricting combinations of elements with mismatched crystal ...
Shuo Liu   +3 more
wiley   +1 more source

LOX/hydrocarbon auxiliary propulsion system study [PDF]

open access: yes
Liquid oxygen (LOX)/hydrocarbon propulsion concepts for a "second generation' orbiter auxiliary propulsion system was evaluated. The most attractive fuel and system design approach identified, and the technology advancements that are needed to provide ...
Mark, T. D., Orton, G. F., Weber, D. D.
core   +1 more source

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