Relevant bibliographies by topics / Flight Efficiency

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Flight Efficiency'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Flight Efficiency"

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Harada, Akinori, Tooru Ezaki, Tomoaki Wakayama, and Koichi Oka. "Air Traffic Efficiency Analysis of Airliner Scheduled Flights Using Collaborative Actions for Renovation of Air Traffic Systems Open Data." Journal of Advanced Transportation 2018 (June 7, 2018): 1–14. http://dx.doi.org/10.1155/2018/2734763.

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The increase in air traffic worldwide requires improvement of flight operational efficiency. This study aims to reveal the potential benefits, namely, savings on fuel consumption and flight time, which are expected for Japanese airspace, by statistically evaluating the operational efficiency defined by average differences of fuel consumption, flight time, and flight distance between the original and the optimized flight of domestic flights in Japan. The aircraft position and time data used in this study were obtained from Collaborative Actions for Renovation of Air Traffic Systems Open Data—the radar data released by the Japan Civil Aviation Bureau. Flight information, such as air data and fuel flow, is estimated by applying meteorological data and aircraft performance model to the position information of radar data. Each reconstructed trajectory is optimized in terms of flight fuel consumption and flight time with an assumed cost index (CI). Dynamic programming is used as the trajectory optimization method. The flight fuel consumption and flight time of the optimized flight are compared with the original values to evaluate the operational efficiency. Herein, approximately one-third of 1-day data, i.e., 1087 cases of four aircraft types, are analyzed with reasonable CI settings. Our research findings suggest that flight fuel consumption and flight distance can be saved by 312 kg and 19.7 km, respectively, on average for the object flights. Following a statistical comparison between the original and the optimized flights, it was observed that two types of features, namely, flying on a detoured path and flying with nonoptimal altitude and speed in the cruise phase, are major factors which deteriorate the total operational efficiency in terms of fuel consumption, flight time, and flight distance.
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Wang, Z. J. "Efficiency of flapping flight." Journal of Biomechanics 39 (January 2006): S357. http://dx.doi.org/10.1016/s0021-9290(06)84426-x.

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Pobezhimov, V. N. "Flight efficiency of a pulsejet." Russian Aeronautics (Iz VUZ) 53, no. 1 (March 2010): 77–80. http://dx.doi.org/10.3103/s1068799810010137.

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Natiq qızı Nurullazadə, Fidan. "Evaluation of flight conditions at tropopause level." NATURE AND SCIENCE 07, no. 02 (April 23, 2021): 49–52. http://dx.doi.org/10.36719/2707-1146/07/49-52.

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High-quality organization of meteorological support along the flight routes, increasing its efficiency depends on many factors. These factors include the moderate and high intensity turbulence observed in the middle and upper flight echelons, icing, jet streams, volcanic ash clouds and their distribution areas, tropopause level, its altitude, and others. In the pre-flight preparation phase, the meteorological body provides meteorological support for all types of domestic and international flights planned in the middle and upper troposphere. The organization of flight efficiency and economic profitability depends on the high-quality forecast of the above-mentioned meteorological factors. The article analyzes the characteristics of weather conditions that affect flights in the middle and upper troposphere. The main recommendations and requirements of Annex 3 (ANEX 3) and its amendments (Amendment 79), ICAO's guidelines for meteorological support for international air navigation, are relevant to many of the issues discussed in this article. Key words: turbulence, jet stream, volcanic ash, aircraft, tropopause, aviation, flight echelon, pressure, wind, temperature, meteorological support, flight route
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HARADA, Akinori, Tomoyuki KOZUKA, Yoshikazu MIYAZAWA, Navinda Kithmal WICKRAMASINGHE, Mark BROWN, and Yutaka FUKUDA. "Quantitative Operational Flight Efficiency Analysis of Passenger Aircraft Scheduled Flight." AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 14 (2015): 171–78. http://dx.doi.org/10.2322/astj.14.171.

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Meric, Ozlem Sahin. "Optimum Arrival Routes for Flight Efficiency." Journal of Power and Energy Engineering 03, no. 04 (2015): 449–52. http://dx.doi.org/10.4236/jpee.2015.34061.

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Henningsson, Per, and Richard J. Bomphrey. "Span efficiency in hawkmoths." Journal of The Royal Society Interface 10, no. 84 (July 6, 2013): 20130099. http://dx.doi.org/10.1098/rsif.2013.0099.

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Flight in animals is the result of aerodynamic forces generated as flight muscles drive the wings through air. Aerial performance is therefore limited by the efficiency with which momentum is imparted to the air, a property that can be measured using modern techniques. We measured the induced flow fields around six hawkmoth species flying tethered in a wind tunnel to assess span efficiency, e i , and from these measurements, determined the morphological and kinematic characters that predict efficient flight. The species were selected to represent a range in wingspan from 40 to 110 mm (2.75 times) and in mass from 0.2 to 1.5 g (7.5 times) but they were similar in their overall shape and their ecology. From high spatio-temporal resolution quantitative wake images, we extracted time-resolved downwash distributions behind the hawkmoths, calculating instantaneous values of e i throughout the wingbeat cycle as well as multi-wingbeat averages. Span efficiency correlated positively with normalized lift and negatively with advance ratio. Average span efficiencies for the moths ranged from 0.31 to 0.60 showing that the standard generic value of 0.83 used in previous studies of animal flight is not a suitable approximation of aerodynamic performance in insects.
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Takahashi, Hidemi, Mitsuru Kurita, Hidetoshi Iijima, and Monami Sasamori. "Interpolation of Turbulent Boundary Layer Profiles Measured in Flight Using Response Surface Methodology." Applied Sciences 8, no. 11 (November 21, 2018): 2320. http://dx.doi.org/10.3390/app8112320.

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Turbulent boundary layer profiles on the aircraft surface were characterized by pitot-rake measurements conducted in flight experiments at high subsonic Mach number ranges. Due to slight variations in atmospheric air conditions or aircraft attitudes, such as angles of attack and absolute flight speeds at different flights even under the same premised flight conditions, the boundary layer profiles measured at different flights can exhibit different shape and velocity values. This concern leads to difficulty in evaluating the efficiency of using some kind of drag-controlling device such as riblets in the flight test, since the evaluation would be conducted by comparing the profiles measured with and without using riblets at different flights. An approach was implemented to interpolate the boundary layer profile for a flight condition of interest based on the response surface method, in order to eliminate the influence of the flight conditional difference. Results showed that the interpolation with the 3rd-degree response surface model with a combination of two independent variables of flight Mach number and total pressure successfully eliminated the influence of the flight conditional difference, and interpolated the boundary layer profiles measured at different flights within an inaccuracy of 4.1% for the flight Mach number range of 0.5 to 0.78.
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Ellington, C. P. "Power and efficiency of insect flight muscle." Journal of Experimental Biology 115, no. 1 (March 1, 1985): 293–304. http://dx.doi.org/10.1242/jeb.115.1.293.

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The efficiency and mechanical power output of insect flight muscle have been estimated from a study of hovering flight. The maximum power output, calculated from the muscle properties, is adequate for the aerodynamic power requirements. However, the power output is insufficient to oscillate the wing mass as well unless there is good elastic storage of the inertial energy, and this is consistent with reports of elastic components in the flight system. A comparison of the mechanical power output with the metabolic power input to the flight muscles suggests that the muscle efficiency is quite low: less than 10%.
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McLaughlin, Robert L., and Robert D. Montgomerie. "Flight speeds of parent birds feeding nestlings: maximization of foraging efficiency or food delivery rate?" Canadian Journal of Zoology 68, no. 11 (November 1, 1990): 2269–74. http://dx.doi.org/10.1139/z90-316.

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We examined the flight behaviour of female Lapland longspurs (Calcarius lapponicus) foraging during the nestling period to determine whether they flew at speeds maximizing the overall rate of energy delivery to their nestlings (VY), or at speeds maximizing the distance travelled per unit energy expended (Vmr), as predicted by different models. The average flight speed of females was slower when they flew to closer feeding sites, suggesting that acceleration was an important component of these flights. We therefore included the cost of acceleration into the flight-speed models. Longspurs flew slightly faster, on average, than our predicted speeds for maximizing the distance travelled per unit energy expended (Vmr) but substantially lower than our predicted speeds for maximizing the overall rate of energy delivery to nestlings (VY). The fact that longspurs did not fly faster at times of increased food availability is also consistent with maximizing the distance travelled per unit energy expended, but not with maximizing the overall rate of energy delivery. Based on other studies of parent birds feeding young, we expected that longspurs would adjust their flight speeds to maximize the overall rate of energy delivery to their young. Instead, their flight behaviour was more consistent with maximizing foraging efficiency (the ratio of energy collected to energy spent).
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Dissertations / Theses on the topic "Flight Efficiency"

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Jacobsen, Marianne. "On improving efficiency of flight using optimization." Doctoral thesis, Stockholm : Skolan för teknikvetenskap, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10958.

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Gilmour, Kathleen Mary. "Power output and efficiency of asynchronous insect flight muscle." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240111.

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Feher, Kamilo. "FQPSK Doubles Spectral Efficiency of Telemetry: Advances and Initial Air to Ground Flight Tests." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607395.

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International Telemetering Conference Proceedings / October 26-29, 1998 / Town & Country Resort Hotel and Convention Center, San Diego, California
FQPSK is the abbreviation for Feher Quadrature Phase Shift Keying (FQPSK) patented systems [1]. Digcom, Inc. licensed FQPSK products demonstrated significant spectral saving and RF power efficient robust BER performance advantages. These bit rate agile modems and Non Linearly Amplified (NLA) transceivers, DSP and hardware implementations, and in some instances “software-radios” (20kb/s to more than 100Mb/s) and RF frequency agile (from 150MHz to more than 40GHz) developments and systems have recently been demonstrated and deployed. The spectral efficiency, i.e., data throughput capability of the 1st generation of FQPSK, as demonstrated in initial Advanced Range Telemetry (ARTM) flight tests, approximately doubles while 2nd generation “FQPSK-2” systems have the potential to quadruple the spectral efficiency of operational PCM/FM telemetry systems and be backward compatible with the 1st generation of FQPSK technologies. It is also demonstrated that the spectral efficiency advantage of FQPSK over that of NLA power efficient GMSK, OQPSK and QPSK modulated transceivers is in the 50% to 300% range and that the potential spectral efficiency advantage of FQPSK-2 over GMSK [1] is in the 200% to 500% range. Based on extensive multi-year studies of alternative solutions for spectral and RF power efficient, robust BER performance systems, several commercial US and international organizations, AIAA, CCSDS, NASA, ESA, CCSDS and various programs of the US Department of Defense (DoD) concluded that FQPSK offers the most spectrally efficient high performance-high speed proven technology solutions and recommended FQPSK standardization for several data links. Initial DoD-ARTM Program Office Air-to-Ground L-band and S-band jet airborne telemetry Test and Evaluation (T&E) data, obtained during the summer of 1998 are briefly highlighted. These include simultaneosly tested FQPSK and PCM/FM. In these tests the following ARTM objectives have been demonstrated: (a) FQPSK approximately doubles the spectral efficiency of currently operational PCM/FM; (b) The Data Link Performance of these two systems is comparable. The American Institute of Aeronautics and Astronautics (AIAA) draft modulation standard recommended to the DoD, NASA and CCSDS, was approved by the AIAA [23]. The AIAA standard recommends “that FQPSK modulation be immediately adopted as the interim increment–1 standard.”
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Blakely, Patrick A. "Wireless Transducer Systems Architectures – A User’s Perspective." International Foundation for Telemetering, 2003. http://hdl.handle.net/10150/607468.

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International Telemetering Conference Proceedings / October 20-23, 2003 / Riviera Hotel and Convention Center, Las Vegas, Nevada
This paper provides essential requirements and describes some possible architectures of so-called Wireless Transducers Systems from the user’s perspective and discusses the application advantages of each architecture, in the airplane-testing environment. The intent of this paper is to stimulate discussion in the transducer user and supplier communities and standards committees, leading to increased product suitability and lower cost for commercial off the shelf wireless transducer products.
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Briggs, James R. "Advanced Range Telemetry (ARTM) Systems Integration at the Air Force Flight Test Center." International Foundation for Telemetering, 2001. http://hdl.handle.net/10150/606480.

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International Telemetering Conference Proceedings / October 22-25, 2001 / Riviera Hotel and Convention Center, Las Vegas, Nevada
The aeronautical telemetry frequency spectrum is continually shrinking. More and more government frequencies are being sold to telecommunications companies. To make matters worse, more complicated weapons systems are spurring the demand for higher data rates. The telemetry infrastructure is struggling to meet these demands as the equipment continues to age and is, in some cases, no longer supported by the manufacturer. The loss of portions of the aeronautical frequency spectrum has had significant effects at Edwards. Increasing scheduling conflicts and mission cancellations are rapidly becoming a fact of life. This paper describes the scope of the Advanced Range Telemetry Integration and Support (ARTM I&S) program as it begins to integrate ARTM-developed products into the existing telemetry infrastructure at the Air Force Flight Test Center (AFFTC). This paper will discuss the infrastructure upgrades required in order to continue supporting test and evaluation missions. Numerous challenges will be addressed including the shrinking aeronautical frequency spectrum, aging telemetry infrastructure, and the demand for higher data rates. Possible solutions will be discussed to address the growing spectrum encroachment issue.
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Morast, Embla, and Einar Svantesson. "Efficiency of a Time-of-Flight Detection System for Analysis of Wall Material From Controlled Fusion Devices." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-214736.

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Time-of-flight elastic recoil detection analysis (ToFERDA)is a method for material analysis which has provenadvantageous when examining wall samples from fusion devicesas well as for tracking tracer isotopes such as deuterium, oxygen-18 and nitrogen-15. When ToF-ERDA data is processed tocalculate the composition of a material, the detection efficiencyis used to compensate for the lower detection rate of lighterelements. The aim of this project is to examine how the efficiencyof the time-of-flight detector in a ToF-ERDA experimental setupdepends on its settings and determine efficiency parameters touse when producing atomic composition depth profiles with ToFERDA.Experiments were performed at the Tandem Laboratoryin Uppsala. The outcome is a suggested set of changes toexperimental settings and a four-parameter fit to measureddetection efficiencies for efficiency compensation.
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Wigent, Mark A., and Andrea M. Mazzario. "Enhanced Query Data Recorder (EQDR) - A Next Generation Network Recorder Built Around iNET Standards." International Foundation for Telemetering, 2014. http://hdl.handle.net/10150/577499.

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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA
The Enhanced Query Data Recorder (EQDR) has been developed under the Test Resource Management Center's (TRMC) Spectrum Efficient Technologies (SET) T&E S&T program. The EQDR is a network flight recorder built around the iNET standards and which is intended to meet the future needs of the networked telemetry environment. The EQDR is designed to support the "fetch" of recorded test data during a test without interruption to the ongoing recording of data from the test article vehicle network. The key benefits of the network data recorder as implemented in the EQDR are increased flexibility and efficiency of test in an environment with increasing demands on spectrum available for telemetered data. EQDR enables retrieval of individual recorded parameters on an as-needed basis. Having the flexibility to send data only when it is required rather than throughout the duration of the test significantly increases the efficiency with which limited spectrum resources are used. EQDR enables parametric-level data retrieval, based not only on time interval and data source, but also on the content of the recorded data messages. EQDR enables selective, efficient retrieval of individual parameters using indexes derived from the actual values of recorded data.
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Wigent, Mark A., and Andrea M. Mazzario. "Spectrum Savings from High Performance Network Recording and Playback Onboard the Test Article." International Foundation for Telemetering, 2012. http://hdl.handle.net/10150/581609.

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ITC/USA 2012 Conference Proceedings / The Forty-Eighth Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2012 / Town and Country Resort & Convention Center, San Diego, California
The Test Resource Management Center's (TRMC) Spectrum Efficient Technologies (SET) S&T program is sponsoring development of the Enhanced Query Data Recorder (EQDR), a network flight recorder that is intended to meet the future needs of the networked telemetry environment. EQDR is designed to support the "fetch" of recorded test data during a test without interrupting the ongoing recording of data from the test article vehicle network. The key benefits of the network data recorder as implemented in EQDR are increased flexibility and efficiency of test in an environment with increasing demands on spectrum available for telemetered data. EQDR enables retrieval of individual recorded parameters on an as-needed basis. Having the flexibility to send data only when it is required rather than throughout the duration of the test significantly increases the efficiency with which limited spectrum resources are used. EQDR enables parametric-level data retrieval, based not only on time interval and data source, but also on the content of the recorded data messages. EQDR enables selective, efficient retrieval of individual parameters using indexes derived from the actual values of recorded data. This paper describes the design of EQDR and the benefits of selective data storage and retrieval in the application of networked telemetry. In addition it describes the performance of the EQDR in terms of data recording and data retrieval rates when implemented on single board computers designed for use in the aeronautical test environment with size, weight, and power constraints.
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King, Raymond John. "Dynamic Mechanical Properties of Resilin." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/33677.

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Resilin is an almost perfect elastic protein found in many insects. It can be stretched up to 300% of its resting length and is not affected by creep or stress relaxation. While much is known about the static mechanical properties of resilin, it is most often used dynamically by insects. Unfortunately, the dynamic mechanical properties of resilin over the biologically relevant frequency range are unknown. Here, nearly pure samples of resilin were obtained from the dragonfly, Libellua luctuosa, and dynamic mechanical analysis was performed with a combination of time-temperature and time-concentration superposition to push resilin through its glass transition. The tensile properties for resilin were found over five different ethanol concentrations (65, 70, 82, 86 and 90% by volume in water) between temperatures of -5°C and 60°C, allowing for the quantification of resilinâ s dynamic mechanical properties over the entire master curve. The glass transition frequency of resilin in water at 22°C was found to be 106.3 Hz. The rubber storage modulus was 1.6 MPa, increasing to 30 MPa in the glassy state. At 50 Hz and 35% strain over 98% of the elastic strain energy can returned each cycle, decreasing to 81% at the highest frequencies used by insects (13 kHz). However, despite its remarkable ability to store and return energy, the resilin tendon in dragonflies does not act to improve the energetic efficiency of flight or as a power amplifying spring. Rather, it likely functions to passively control and stabilize the trailing edge of each wing during flight.
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Väyrynen, Chytiris Ion. "Flygskatten : En studie om måluppfyllelse, kostnadseffektivitet och incitament till teknologisk utveckling." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-71746.

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Den 1 april 2018 implementerade den svenska regeringen en flygskatt i Sverige med målet att minska den svenska flygindustrins utsläpp i atmosfären. Med hjälp av nationalekonomisk mikroteori, tidigare studier, statistik, egna beräkningar och jämförelser baserade på sekundärdata, analyserar uppsatsen den svenska flygskattens måluppfyllelse, kostnadseffektivitet och incitament till teknologisk utveckling. Uppsatsen når slutsatsen att den nuvarande utformningen av den svenska flygskatten inte uppfyller kraven för de styrmedel som främjar kostnadseffektivitet, inte ger några ytterligare incitament till teknologisk utveckling utöver EU-ETS handelssystem med utsläppsrätter samt missar klimatmålen på både nationell och internationell nivå.
On the 1st of April 2018, the Swedish government implemented a flight tax in Sweden with the goal of reducing the Swedish aviation industries atmospheric emissions. With the help of the theory of microeconomics, earlier studies, statistics, calculations, and comparisons based on secondary data, the essay analyzes the Swedish flight tax with regards to its achievement of the environmental objectives, cost-efficiency and, incentives to technological development. The essay reaches the conclusion that the current design of Swedish flight tax does not achieve the requirements of cost-efficient regulations, does not promote further incentives to technological development beyond the already established European Union Emission Trading System and does not meet the environmental objectives nationally nor internationally.
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Books on the topic "Flight Efficiency"

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D'Angelo, Martin. Wide speed range turboshaft study. [Washington, D.C: National Aeronautics and Space Administration, 1995.

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Advisory Group for Aerospace Research and Development. Guidance and Control Panel. Symposium. Efficient conductof individual flights and air traffic... Edited by Benoit André. Neuilly sur Seine: Agard, 1986.

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North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Efficient Conduct of Individual Flights and Air Traffic. S.l: s.n, 1986.

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Lee, Dong-Ho. An efficient method to calculate rotor flow in hover & forward flight. Washington, D. C: American Institute of Aeronautics and Astronautics, 1993.

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Yao, Kung. Final report to NASA-Ames Research Center, Moffett Field, CA 94034, contract no. NAG 2-433, January 1, 1987 - March 31, 1988 on efficient load measurements using singular value decomposition. Los Angeles, CA: Laboratory for Flight Systems Research, University of California, 1989.

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Yao, Kung. Final report to NASA-Ames Research Center, Moffett Field, CA 94034, contract no. NAG 2-433, January 1, 1987 - March 31, 1988 on efficient load measurements using singular value decomposition. Los Angeles, CA: Laboratory for Flight Systems Research, University of California, 1989.

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Benoît, André. Efficient conduct of individual flights and air traffic or Optimum utilization of modern technology (guidance, control, navigation, communication, surveillance and processing facilities) for the overall benefit of civil and military airspace users. Neuilly sur Seine, France: AGARD, 1986.

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Development, North Atlantic Treaty Organization Advisory Group for Aerospace Research and. Technical Evaluation Report on Efficient Conduct of Individual Flights and Air Traffic or Optimum Utlization of Modern Technology For the Overall Benefit of Civil and Military Airspace Users. S.l: s.n, 1986.

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More With Less: Paul MacCready and the Dream of Efficient Flight. San Francisco, California, USA: Encounter Books, 2002.

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Ciotti, Paul. More with Less: Paul MacCready and the Dream of Efficient Flight. Encounter Books, 2003.

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Book chapters on the topic "Flight Efficiency"

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Tao, Yang, Zhiyong Liu, Neng Xiong, Yan Sun, and Jun Lin. "Efficiency Estimation of Formation Flight Types." In Lecture Notes in Electrical Engineering, 1055–64. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3305-7_84.

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Jylhä, Juha, Marja Ruotsalainen, Tuomo Salonen, Harri Janhunen, Ilkka Venäläinen, Aslak Siljander, and Ari Visa. "Link between Flight Maneuvers and Fatigue." In ICAF 2011 Structural Integrity: Influence of Efficiency and Green Imperatives, 453–63. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1664-3_36.

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Chuang, Lewis L., Frank M. Nieuwenhuizen, and Heinrich H. Bülthoff. "A Fixed-Based Flight Simulator Study: The Interdependence of Flight Control Performance and Gaze Efficiency." In Lecture Notes in Computer Science, 95–104. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39354-9_11.

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Baburov S.V., Bestugin A.R., Galyamov A.M., Sauta O.I., and Shatrakov Y.G. "Methods for Improving Flight Efficiency and Safety for Satellite-Based Landing Systems." In Development of Navigation Technology for Flight Safety, 79–120. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8375-5_3.

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Long, Hao, and Shujie Song. "The Analysis of Aircraft Maneuver Efficiency within Extend Flight Envelop." In Advances in Neural Networks – ISNN 2009, 1071–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01513-7_118.

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Baburov S.V., Bestugin A.R., Galyamov A.M., Sauta O.I., and Shatrakov Y.G. "Methods for Improving Flight Efficiency and Safety Based on Technologies Applicable in Collision Avoidance Systems." In Development of Navigation Technology for Flight Safety, 121–60. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8375-5_4.

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Li, Qiang, Binbin Li, Nan Wang, Wenxi Li, Zhengfang Lyu, Yancong Zhu, and Wei Liu. "Human-Machine Interaction Efficiency Factors in Flight Simulator Training Towards Chinese Pilots." In Advances in Simulation and Digital Human Modeling, 26–32. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51064-0_4.

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Lemetti, A., T. Polishchuk, R. Sáez, and X. Prats. "Analysis of Weather Impact on Flight Efficiency for Stockholm Arlanda Airport Arrivals." In Lecture Notes in Electrical Engineering, 77–92. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4669-7_5.

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Mattrand, C., J. M. Bourinet, and D. Théret. "Analysis of Fatigue Crack Growth under Random Load Sequences Derived from Military In-flight Load Data." In ICAF 2011 Structural Integrity: Influence of Efficiency and Green Imperatives, 399–413. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1664-3_32.

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Delaplane, Keith S. "What makes a good pollinator?" In Crop pollination by bees, Volume 1: Evolution, ecology, conservation, and management, 25–39. 2nd ed. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781786393494.0003.

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Abstract This chapter discusses pollinator efficiency; pollination performance (from the perspective of the bee); pollinator dependency (from the perspective of the plant), including topics on breeding systems, as well as flower and fruit morphology; and pollinator performance (from the perspective of foraging ecology), including the taxon-based differences in bee flight distance, morphological considerations, and forager behaviour in rich and poor habitats.
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Conference papers on the topic "Flight Efficiency"

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Barnes, J. Philip. "Principles of High-efficiency Electric Flight." In 52nd AIAA/SAE/ASEE Joint Propulsion Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-4711.

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Zhao, Longfei, Yaoxing Shang, and Zongxia Jiao. "Propulsion efficiency of flapping flight robots." In 2017 IEEE International Conference on Cybernetics and Intelligent Systems (CIS) and IEEE Conference on Robotics, Automation and Mechatronics (RAM). IEEE, 2017. http://dx.doi.org/10.1109/iccis.2017.8274752.

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Anttho, Ali M., Bartosz J. Slupski, Abdullah Mohiudeen, and Kursat Kara. "Determination of Water Droplet Collection Efficiency: An Empirical Model." In AIAA Atmospheric Flight Mechanics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2017. http://dx.doi.org/10.2514/6.2017-1869.

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Ali, Muhammad, Qazi Ejaz Ur Rehman, and Shakir Hussain Chaudhry. "Determination of Water Droplet Collection Efficiency: An Empirical Approach." In AIAA Atmospheric Flight Mechanics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-1535.

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Mandic, Slobodan D., Milos Pavic, Bojan Pavkovic, and Milan Ignjatovic. "Efficiency of Aerodynamic Interceptors for Subsonic Missiles Roll Attitude Control." In 2018 Atmospheric Flight Mechanics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-3159.

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Mandic, Slobodan D., Milos Pavic, Bojan Pavkovic, and Milan Ignjatovic. "Withdrawal: Efficiency of Aerodynamic Interceptors for Subsonic Missiles Roll Attitude Control." In 2018 Atmospheric Flight Mechanics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-3159.c1.

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Peeters, Sam, Guglielmo Guastalla, and Kevin Grant. "Analysis of en-route vertical flight efficiency." In 2018 Integrated Communications, Navigation, Surveillance Conference (ICNS). IEEE, 2018. http://dx.doi.org/10.1109/icnsurv.2018.8384947.

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Peeters, Sam, Guglielmo Guastalla, and Kevin Grant. "Analysis of en-route vertical flight efficiency." In 2018 Integrated Communications, Navigation, Surveillance Conference (ICNS). IEEE, 2018. http://dx.doi.org/10.1109/icnsurv.2018.8384859.

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Paranjape, Aditya A., Soon-Jo Chung, and Harry Hilton. "Optimizing the Forces and Propulsive Efficiency in Bird-Scale Flapping Flight." In AIAA Atmospheric Flight Mechanics (AFM) Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2013. http://dx.doi.org/10.2514/6.2013-4916.

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DeArmon, James S., Wayne Cooper, Tudor Masek, and Alex Tien. "Measuring Flight Efficiency in the National Airspace System." In 16th AIAA Aviation Technology, Integration, and Operations Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2016. http://dx.doi.org/10.2514/6.2016-4359.

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Reports on the topic "Flight Efficiency"

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Ehmen, Joshua W. Altering Flight Schedules for Increased Fuel Efficiency. Fort Belvoir, VA: Defense Technical Information Center, June 2015. http://dx.doi.org/10.21236/ada619604.

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Brodie, Katherine, Brittany Bruder, Richard Slocum, and Nicholas Spore. Simultaneous mapping of coastal topography and bathymetry from a lightweight multicamera UAS. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41440.

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A low-cost multicamera Unmanned Aircraft System (UAS) is used to simultaneously estimate open-coast topography and bathymetry from a single longitudinal coastal flight. The UAS combines nadir and oblique imagery to create a wide field of view (FOV), which enables collection of mobile, long dwell timeseries of the littoral zone suitable for structure-from motion (SfM), and wave speed inversion algorithms. Resultant digital surface models (DSMs) compare well with terrestrial topographic lidar and bathymetric survey data at Duck, NC, USA, with root-mean-square error (RMSE)/bias of 0.26/–0.05 and 0.34/–0.05 m, respectively. Bathymetric data from another flight at Virginia Beach, VA, USA, demonstrates successful comparison (RMSE/bias of 0.17/0.06 m) in a secondary environment. UAS-derived engineering data products, total volume profiles and shoreline position, were congruent with those calculated from traditional topo-bathymetric surveys at Duck. Capturing both topography and bathymetry within a single flight, the presented multicamera system is more efficient than data acquisition with a single camera UAS; this advantage grows for longer stretches of coastline (10 km). Efficiency increases further with an on-board Global Navigation Satellite System–Inertial Navigation System (GNSS-INS) to eliminate ground control point (GCP) placement. The Appendix reprocesses the Virginia Beach flight with the GNSS–INS input and no GCPs.
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Bobashev, Georgiy, R. Joey Morris, Elizabeth Costenbader, and Kyle Vincent. Assessing network structure with practical sampling methods. RTI Press, May 2018. http://dx.doi.org/10.3768/rtipress.2018.op.0049.1805.

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Using data from an enumerated network of worldwide flight connections between airports, we examine how sampling designs and sample size influence network metrics. Specifically, we apply three types of sampling designs: simple random sampling, nonrandom strategic sampling (i.e., selection of the largest airports), and a variation of snowball sampling. For the latter sampling method, we design what we refer to as a controlled snowball sampling design, which selects nodes in a manner analogous to a respondent-driven sampling design. For each design, we evaluate five commonly used measures of network structure and examine the percentage of total air traffic accounted for by each design. The empirical application shows that (1) the random and controlled snowball sampling designs give rise to more efficient estimates of the true underlying structure, and (2) the strategic sampling method can account for a greater proportion of the total number of passenger movements occurring in the network.
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NASA's Marshall Space Flight Center Saves Water With High-Efficiency Toilet and Urinal Program: Best Management Practice Case Study #6 - Toilets and Urinals (Fact Sheet). Office of Scientific and Technical Information (OSTI), February 2011. http://dx.doi.org/10.2172/1008198.

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