FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W141323886> ?p ?o ?g. }

• W141323886 abstract "The results of the flight test program of the Daedalus and Light Eagle human powered aircraft in the winter of 1987/88 are given. The results from experiments exploring the Light Eagle's rigid body and structural dynamics are presented. The interactions of these dynamics with the autopilot design are investigated. Estimates of the power required to fly the Daedalus aircraft are detailed. The system of sensors, signal conditioning boards, and data acquisition equipment used to record the flight data is also described. In order to investigate the dynamics of the aircraft, flight test maneuvers were developed to yield maximum data quality from the point of view of estimating lateral and longitudinal stability derivatives. From this data, structural flexibility and unsteady aerodynamics have been modeled in an ad hoc manner and are used to augment the equations of motion with flexibility effects. Results of maneuvers that were flown are compared with the predictions from the flexibility model. To extend the ad hoc flexibility model, a fully flexible aeroelastic model has been developed. The model is unusual in the approximate equality of many structural natural frequencies and the importance of unsteady aerodynamic effects. the Gossamer Albatross. It is hypothesized that this inverse ground effect is caused by turbulence in the Earth's boundary layer. The diameters of the largest boundary layer eddies (which represent most of the turbulent kinetic energy) are proportional to altitude; thus, closer to the ground, the energy in the boundary layer becomes concentrated in eddies of smaller and smaller diameter. Eventually the eddies become sufficiently small (approximately 0.5 cm) that they trip the laminar boundary layer on the wing. As a result, a greater percentage of the wing area is covered with turbulent flow. Consequently the aircraft's drag and the pow er required both increase as the aircraft flies closer to the ground. The results of the flight test program are examined critically, especially with respect to future applications. Maneuvers that allow the observation of stability derivatives for flexible aircraft are detailed. Considerations for the design of autopilots for future human power aircraft and high-altitude RPV's are discussed. Techniques useful in estimating the power required to fly aircraft of very high lift to drag ratio are described." @default.
• W141323886 created "2016-06-24" @default.
• W141323886 creator A5002353842 @default.
• W141323886 creator A5016455644 @default.
• W141323886 date "1988-06-07" @default.
• W141323886 modified "2023-09-27" @default.
• W141323886 title "Flight test results for the Daedalus and Light Eagle human powered aircraft" @default.
• W141323886 cites W2016008642 @default.
• W141323886 hasPublicationYear "1988" @default.
• W141323886 type Work @default.
• W141323886 sameAs 141323886 @default.
• W141323886 citedByCount "2" @default.
• W141323886 countsByYear W1413238862012 @default.
• W141323886 crossrefType "journal-article" @default.
• W141323886 hasAuthorship W141323886A5002353842 @default.
• W141323886 hasAuthorship W141323886A5016455644 @default.
• W141323886 hasConcept C111603439 @default.
• W141323886 hasConcept C121129557 @default.
• W141323886 hasConcept C121332964 @default.
• W141323886 hasConcept C127413603 @default.
• W141323886 hasConcept C13393347 @default.
• W141323886 hasConcept C146978453 @default.
• W141323886 hasConcept C153294291 @default.
• W141323886 hasConcept C1633027 @default.
• W141323886 hasConcept C179065325 @default.
• W141323886 hasConcept C196558001 @default.
• W141323886 hasConcept C2777943292 @default.
• W141323886 hasConcept C2780444116 @default.
• W141323886 hasConcept C32526432 @default.
• W141323886 hasConcept C97257150 @default.
• W141323886 hasConceptScore W141323886C111603439 @default.
• W141323886 hasConceptScore W141323886C121129557 @default.
• W141323886 hasConceptScore W141323886C121332964 @default.
• W141323886 hasConceptScore W141323886C127413603 @default.
• W141323886 hasConceptScore W141323886C13393347 @default.
• W141323886 hasConceptScore W141323886C146978453 @default.
• W141323886 hasConceptScore W141323886C153294291 @default.
• W141323886 hasConceptScore W141323886C1633027 @default.
• W141323886 hasConceptScore W141323886C179065325 @default.
• W141323886 hasConceptScore W141323886C196558001 @default.
• W141323886 hasConceptScore W141323886C2777943292 @default.
• W141323886 hasConceptScore W141323886C2780444116 @default.
• W141323886 hasConceptScore W141323886C32526432 @default.
• W141323886 hasConceptScore W141323886C97257150 @default.
• W141323886 hasLocation W1413238861 @default.
• W141323886 hasOpenAccess W141323886 @default.
• W141323886 hasPrimaryLocation W1413238861 @default.
• W141323886 hasRelatedWork W1501779728 @default.
• W141323886 hasRelatedWork W1502118392 @default.
• W141323886 hasRelatedWork W1519015003 @default.
• W141323886 hasRelatedWork W1526969705 @default.
• W141323886 hasRelatedWork W1964928456 @default.
• W141323886 hasRelatedWork W2049429517 @default.
• W141323886 hasRelatedWork W2075912226 @default.
• W141323886 hasRelatedWork W2093280986 @default.
• W141323886 hasRelatedWork W2152020859 @default.
• W141323886 hasRelatedWork W2304449756 @default.
• W141323886 hasRelatedWork W2605381368 @default.
• W141323886 hasRelatedWork W2741546610 @default.
• W141323886 hasRelatedWork W2751379274 @default.
• W141323886 hasRelatedWork W2757490520 @default.
• W141323886 hasRelatedWork W282409814 @default.
• W141323886 hasRelatedWork W284521768 @default.
• W141323886 hasRelatedWork W3018059843 @default.
• W141323886 hasRelatedWork W45365292 @default.
• W141323886 hasRelatedWork W2279427168 @default.
• W141323886 hasRelatedWork W3197896614 @default.
• W141323886 isParatext "false" @default.
• W141323886 isRetracted "false" @default.
• W141323886 magId "141323886" @default.
• W141323886 workType "article" @default.