Results 261 to 270 of about 24,029 (310)
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Scientific American, 2014
The article discusses research into turboprops being driven by a demand for shorter, cheaper airplane flights. Topics include a brief historical overview of the debut of propeller-driven aircraft, the fuel efficiency of turboprops, compared to turbofans, and engineers at General Electric Aviation's Dowty Propellers, who are using computational fluid ...
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The article discusses research into turboprops being driven by a demand for shorter, cheaper airplane flights. Topics include a brief historical overview of the debut of propeller-driven aircraft, the fuel efficiency of turboprops, compared to turbofans, and engineers at General Electric Aviation's Dowty Propellers, who are using computational fluid ...
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Journal of Aerosol Medicine, 1995
Chlorofluorocarbon (CFC) propellants used in metered dose inhalers (MDI) must be replaced under the terms of the Montreal Protocol. Following a review of the available data, HFA134a (1,1,1,2 tetrafluoroethane) was selected as a potential alternative propellant.
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Chlorofluorocarbon (CFC) propellants used in metered dose inhalers (MDI) must be replaced under the terms of the Montreal Protocol. Following a review of the available data, HFA134a (1,1,1,2 tetrafluoroethane) was selected as a potential alternative propellant.
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1974
This report summarizes the available information on the toxicity of 15 propellants used in aerosols. After reviewing the results derived from various animal species, the following classifications are proposed: Low-pressure propellants of high toxicity: trichlorofluoromethane (FC 11), dichloromonofluoromethane (FC 21), trichlorotrifluoroethane (FC
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This report summarizes the available information on the toxicity of 15 propellants used in aerosols. After reviewing the results derived from various animal species, the following classifications are proposed: Low-pressure propellants of high toxicity: trichlorofluoromethane (FC 11), dichloromonofluoromethane (FC 21), trichlorotrifluoroethane (FC
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Propeller Induced Velocities in Ducted Propellers
SNAME Propellers '84 Symposium, 1984This paper presents the results of flow measurements in the nozzle opening of ducted propellers operating in both open and behind conditions. The open-water test measurements show the propeller induced velocities in nozzle opening differ from the results from conventional propeller measurements.
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Aeronautical journal (London, England : 1897), 1914
The material for this paper was collected for a written communication to the Research Committee for publication in The Aëronautical Journal, in the form of a brief annotated account of the work of a number of experimenters on the performance of the screw propeller in air and water; but, at the request of the Council, a month ago, the article has been ...
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The material for this paper was collected for a written communication to the Research Committee for publication in The Aëronautical Journal, in the form of a brief annotated account of the work of a number of experimenters on the performance of the screw propeller in air and water; but, at the request of the Council, a month ago, the article has been ...
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Propeller and Propeller-in-Wing Thrust Vectoring
AIAA Scitech 2021 Forum, 2021Grace G. Culpepper +2 more
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2020
Abstract Weaving together stories from sources as wide-ranging as classical literature, social and cognitive psychology, philosophy, art, and video games, Propelled: How Boredom, Frustration, and Anticipation Lead Us to the Good Life makes a lively case for the value of discontent in our lives.
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Abstract Weaving together stories from sources as wide-ranging as classical literature, social and cognitive psychology, philosophy, art, and video games, Propelled: How Boredom, Frustration, and Anticipation Lead Us to the Good Life makes a lively case for the value of discontent in our lives.
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Solid Propellant Formulations: A Review of Recent Progress and Utilized Components
Materials, 2021Kinga Lysien +2 more
exaly
Propeller manufacture – propeller materials – propeller strength 123
International Shipbuilding Progress, 1975openaire +1 more source
Application of spherical ultrafine CuO@AP with core–shell in AP/HTPB composite solid propellant
Journal of Thermal Analysis and Calorimetry, 2023Jie Liu, Haomiao Yu, Deqi Wang
exaly