Zobrazeno 1 - 10 of 23 pro vyhledávání: '"J. C. Sheldon"'
1
Dual-spray airblast fuel nozzle for advanced small gas turbine combustors
Autor: Eric J. Fuller, J. C. Sheldon, Clifford E. Smith, L. T. Mekkes, D. Scott Cracker
Publikováno v: 29th Joint Propulsion Conference and Exhibit.
A novel dual-spray airblast fuel nozzle that has the potential of improved light-off capability and higher combustor turndown fuel-air ratio is being developed for advanced military small gas-turbine engines. Features of the nozzle include: 1) full i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a949f8a416d3450fe95c7bffd1c9a222
https://doi.org/10.2514/6.1993-2336
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2
A cybernetic theory of physical science professions: The causes of periodic normal and revolutionary science between 1000 and 1870AD
Autor: J. C. Sheldon
Publikováno v: Scientometrics. 2:147-167
The changing levels of activities in a physical science profession are modelled as a network of relations between different career stages. This cybernetic theory predicts that the dominance of elites undergoes 300 year cycles of sharp alternations wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b0f13b422ed5426117ae2669cf586e2
https://doi.org/10.1007/bf02279365
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4
THE DISPERSAL EFFECTIVENESS OF THE ACHENE-PAPPUS UNITS OF SELECTED COMPOSITAE IN STEADY WINDS WITH CONVECTION
Autor: J. C. Sheldon, F. M. Burrows
Publikováno v: New Phytologist. 72:665-675
SUMMARY The role of the involucral bracts of the Compositae capitulum in fruit dispersal, the behaviour of the pappus of composite fruits to changes in humidity, and the presentation of the achene-pappus units for wind dispersal, are briefly reviewed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::332211125dc5b98e4f7b926a2c793af5
https://doi.org/10.1111/j.1469-8137.1973.tb04415.x
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7
APPARATUS TO MEASURE THE RATE OF FALL OF WIND-DISPERSED SEEDS
Autor: J. C. Sheldon, J. T. Lawrence
Publikováno v: New Phytologist. 72:677-680
SUMMARY Apparatus is described for accurately measuring the rate of fall of wind-dispersed seeds over known distances. The detection system consists of photo-electric beams at the open ends of a Perspex tube. The apparatus was connected to an automat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::250b10eec2665f0ef805fd06fd2b7e18
https://doi.org/10.1111/j.1469-8137.1973.tb04416.x
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