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REFLECTION INTERFERENCE [3 records]
Record 1 - internal organization data 2007-07-12
Record 1, English
Record 1, Subject field(s)
- Aircraft Propulsion Systems
- Aeronautical Engineering and Maintenance
Record 1, Main entry term, English
- far noise field 1, record 1, English, far%20noise%20field
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Far noise field of air jets and jet engines. An experimental investigation was conducted to study and compare the acoustic radiation of air jets and jet engines. A number of different nozzle-exit shapes were studied with air jets to determine the effect of exit shape on noise generation. Circular, square, rectangular, and elliptical convergent nozzles and convergent-divergent and plug nozzles were investigated. The spectral distributions of the sound power for the engine and the air jet were in good agreement for the case where the engine data were not greatly affected by reflection or jet interference effects. Such power spectra for a subsonic or slightly choked engine or air jet show that the peaks of the spectra occur at a Strouhal number of 0. 3. 2, record 1, English, - far%20noise%20field
Record 1, French
Record 1, Domaine(s)
- Propulsion des aéronefs
- Aérotechnique et maintenance
Record 1, Main entry term, French
- champ sonore éloigné
1, record 1, French, champ%20sonore%20%C3%A9loign%C3%A9
masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2003-11-17
Record 2, English
Record 2, Subject field(s)
- Atmospheric Physics
Record 2, Main entry term, English
- photometeor
1, record 2, English, photometeor
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A luminous phenomenon produced in the atmosphere by the reflection, refraction, diffraction or interference of light from the Sun or the Moon. 2, record 2, English, - photometeor
Record number: 2, Textual support number: 1 OBS
The main ones are halo phenomena, rainbow, corona, irisations, glory, Bishop’s ring, mirage, shimmer, scintillation, green flash, twilight colours and crepuscular rays. 2, record 2, English, - photometeor
Record 2, French
Record 2, Domaine(s)
- Physique de l'atmosphère
Record 2, Main entry term, French
- photométéore
1, record 2, French, photom%C3%A9t%C3%A9ore
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Phénomènes optiques non liés à des décharges électriques, engendrés par réflexion, réfraction, diffraction ou interférences de la lumière solaire ou lunaire. 2, record 2, French, - photom%C3%A9t%C3%A9ore
Record number: 2, Textual support number: 1 CONT
On appelle «photométéore» les phénomènes optiques tels que l'arc-en-ciel, les halos, les couronnes et toutes leurs variantes. Ces phénomènes sont dus principalement à la réflexion ou à la réfraction de la lumière du soleil ou de la lune, soit par des gouttes d'eau, soit par des cristaux de glace à l'intérieur des nuages. 3, record 2, French, - photom%C3%A9t%C3%A9ore
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Física de la atmósfera
Record 2, Main entry term, Spanish
- fotometeoro
1, record 2, Spanish, fotometeoro
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Fenómeno luminoso producido en la atmósfera por reflexión, refracción, difracción o interferencia de la luz procedente del Sol o la Luna. 2, record 2, Spanish, - fotometeoro
Record number: 2, Textual support number: 1 OBS
Los principales fotometeoros son: el halo, el arco iris, la corona, las irisaciones, la corona de Ulloa, el anillo de Bishop, el espejismo, la trepidación óptica, el centelleo, el rayo verde, los colores crepusculares y los rayos crepusculares. 2, record 2, Spanish, - fotometeoro
Record 3 - internal organization data 1976-06-19
Record 3, English
Record 3, Subject field(s)
- Air Navigation Aids
- Aircraft Piloting and Navigation
Record 3, Main entry term, English
- reflection interference 1, record 3, English, reflection%20interference
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record 3, French
Record 3, Domaine(s)
- Aides à la navigation aérienne
- Pilotage et navigation aérienne
Record 3, Main entry term, French
- effets perturbateurs dus aux réflexions
1, record 3, French, effets%20perturbateurs%20dus%20aux%20r%C3%A9flexions
masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
système d'approche. 1, record 3, French, - effets%20perturbateurs%20dus%20aux%20r%C3%A9flexions
Record 3, Spanish
Record 3, Textual support, Spanish
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