Relevant bibliographies by topics / Aviation gravimetric system

Academic literature on the topic 'Aviation gravimetric system'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Aviation gravimetric system"

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Чепюк, Ларіна Олексіївна. "String gravimeter aviation gravimetric system." Technology audit and production reserves 6, no. 4(8) (December 13, 2012): 23–24. http://dx.doi.org/10.15587/2312-8372.2012.5640.

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Bezvesilnaya, E., A. G. Tkachuk, L. Chepyuk, and K. S. Kozko. "Modern gravimeters of aviation gravimetric system." Geofizicheskiy Zhurnal 37, no. 2 (October 3, 2017): 86–94. http://dx.doi.org/10.24028/gzh.0203-3100.v37i2.2015.111309.

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Безвесильная, Елена Николаевна. "The analysis of methodological errors in aviation gravimetric system." Technology audit and production reserves 6, no. 4(14) (December 24, 2013): 44–46. http://dx.doi.org/10.15587/2312-8372.2013.19569.

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Bezvesilna, Olena, Larina Chepyuk, Andriy Tkachuk, Sergii Nechai, and Tetiana Khylchenko. "Analysis of modern gravimeters of the aviation gravimetric system." Technology audit and production reserves 3, no. 1(35) (May 30, 2017): 53–59. http://dx.doi.org/10.15587/2312-8372.2017.105698.

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Korobiichuk, Igor, Olena Bezvesilna, Andrii Tkachuk, Tetyana Chilchenko, Michal Nowicki, and Roman Szewczyk. "Design of Piezoelectric Gravimeter for Automated Aviation Gravimetric System." Journal of Automation, Mobile Robotics & Intelligent Systems 10, no. 1 (February 18, 2016): 43–47. http://dx.doi.org/10.14313/jamris_1-2016/6.

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Хильченко, Тетяна Валентинівна. "A new two-channel MEMS gravimeter of aviation gravimetric system." Journal of Zhytomyr State Technological University. Series: Engineering, no. 1 (81) (June 21, 2018): 162–68. http://dx.doi.org/10.26642/tn-2018-1(81)-162-168.

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Ткачук, Андрій Геннадійович. "The design features of piezogravimeter of automated aviation gravimetric system." Technology audit and production reserves 6, no. 4(14) (December 24, 2013): 34–36. http://dx.doi.org/10.15587/2312-8372.2013.19651.

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Коваль, Антон Валерьевич, Олена Миколаївна Безвесільна, Андрій Геннадійович Ткачук, Анна Олегівна Захарова, Олександр Леонідович Галицький, and Дмитро Андрійович Статкевич. "Development of new automated piezoelectric gravimeter of aviation gravimetric system." ScienceRise 5, no. 2(10) (May 19, 2015): 56. http://dx.doi.org/10.15587/2313-8416.2015.42631.

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Bezvesilnaya, Elena Nikolaevna, and Andriy Hennadiiovych Tkachuk. "CORRECTED GYROCOMPASS SYNTHESIS AS A SYSTEM WITH CHANGEABLE STRUCTURE FOR AVIATION GRAVIMETRIC SYSTEM WITH PIEZOELECTRIC GRAVIMETER." Aviation 18, no. 3 (October 2, 2014): 134–40. http://dx.doi.org/10.3846/16487788.2014.969878.

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The present article introduces the development of a corrected gyrocompass with an automatic switch of the gyrocompass into the gyroazimuth mode. The issues of multi-criterion synthesis of the gyrocompass control loop have been studied. The necessity of temporary delay input (with selected values) under the previously mentioned switching is shown. On the basis of given requirements, we chose the parameters which provide the device with a switching-back into the gyrocompass mode under any initial gyrocompass deviations in the horizontal plane. An algorithm of gyrocompass ballistic deviation compensation due to the amendment generated by the special observing device, without recourse to external information regarding the ship's acceleration, was developed.
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Bezvesilna, Olena, Andriy Tkachuk, Larina Chepyuk, Sergii Nechai, and Tetiana Khylchenko. "Introducing the principle of constructing an aviation gravimetric system with any type of gravimeter." Eastern-European Journal of Enterprise Technologies 1, no. 7 (85) (February 28, 2017): 45–56. http://dx.doi.org/10.15587/1729-4061.2017.92941.

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Dissertations / Theses on the topic "Aviation gravimetric system"

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Козько, Костянтин Сергійович. "Ємнісний гравіметр автоматизованої авіаційної гравіметричної системи." Doctoral thesis, Київ, 2016. https://ela.kpi.ua/handle/123456789/15358.

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Дисертація присвячена дослідженню нового ємнісного гравіметра автоматизованої авіаційної гравіметричної системи (АГС). В роботі проведений аналіз існуючих типів гравіметрів АГС та запропоновано новий, яким є ємнісний гравіметр. Автором описано принципову схему даного вимірювального перетворювача, отримано математичну модель ЄГ, проаналізовано основні похибки та джерела їх виникнення, а також запропоновано заходи для їх зменшення. За результатами проведених досліджень отримано патент України на винахід. Задачу фільтрації вихідного сигналу ЄГ АГС вирішено за рахунок задання частоти власних коливань ЄГ рівною частоті у точці перетину графіків спектральних щільностей корисного сигналу та сигналу основної завади. Шляхом моделювання на ЕОМ встановлено режими роботи, які можуть бути резонансними, а тому є найбільш небезпечними, і запропоновано спосіб, який дозволяє уникнути резонансу. Показано, що використання апарату нейронних мереж забезпечує зменшення залишкових похибок від вертикального прискорення та інструментальних похибок нового ЄГ. Створено експериментальний стенд для лабораторних досліджень ємнісного гравіметра. Новий ємнісний гравіметр забезпечує точність вимірювання прискорення сили тяжіння на рівні 1 мГал, що є 2-кратним покращенням відносно відомих авіаційних гравіметрів з точністю 2-10 мГал, а за рахунок автоматизації вимірювань швидкість обробки даних збільшується у 10 разів.
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Book chapters on the topic "Aviation gravimetric system"

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Korobiichuk, Igor, Olena Bezvesilna, Andrii Tkachuk, Michał Nowicki, and Roman Szewczyk. "Piezoelectric Gravimeter of the Aviation Gravimetric System." In Challenges in Automation, Robotics and Measurement Techniques, 753–61. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-29357-8_65.

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Bezvesilna, Olena, and Marcin Kamiński. "Gravimeters of Aviation Gravimetric System: Classification, Comparative Analysis, Prospects." In Automation 2017, 496–504. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54042-9_48.

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Conference papers on the topic "Aviation gravimetric system"

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Chakravarthula, Venkata Adithya, and Rory A. Roberts. "Transient Analysis of an Innovative Cycle Integrating a SOFC and a Turbogenerator for Electric Propulsion." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64804.

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Gas turbine technology for aerospace applications is approaching limits in efficiency gains as efficiency gains today occur in very small increments. One limitation in conventional gas turbine technology is the combustion process, which destroys most of the exergy in the cycle. To address this limitation in a traditional Brayton power cycle, a hybrid system which is integrating a Solid Oxide Fuel Cell (SOFC) and gas turbine is developed. Hybrid systems involving fuel cells have better efficiencies than conventional power generation systems. The combination of a SOFC with a gas turbine has shown higher efficiencies than conventional gas turbine systems due to the reduction of exergy destruction in the heat addition process. A one-dimensional dynamic model of a SOFC is integrated in a SOFC-Combustor configuration with a gas turbine to develop efficient electrical power generation for aviation applications. The SOFC–Combustor configuration is an unique concept for reducing system weight, volume, complexity, and response time, which are important attributes for aerospace systems. SOFC-Combustor model was developed based on first principles with detailed modeling of the internal steam reformer, electrochemical and thermodynamics of the SOFC included. The overall purpose of this paper is to analyze the performance of the hybrid SOFC system for high altitude operation for both on-design and off-design operating conditions. Steady-state analysis for cruise condition performed to calculate the respective mission efficiencies. By determining the operating efficiencies of the system, gravimetric comparisons including fuel are performed for alternative power cycles for given flight durations. Transient analysis is performed to understand the behavior in the SOFC temperatures and hybrid system with sudden perturbations to the system (rapid throttle changes, environment changes).
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Rompokos, Pavlos, Andrew Rolt, Devaiah Nalianda, Thierry Sibilli, and Claire Benson. "Cryogenic Fuel Storage Modelling and Optimisation for Aircraft Applications." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-58595.

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Abstract Designing commercial aircraft to use liquid hydrogen (LH2) is one way to substantially reduce their life-cycle CO2 emissions. The merits of hydrogen as an aviation fuel have long been recognized, however, the handling of a cryogenic fuel adds complexity to aircraft and engine systems, operations, maintenance and storage. The fuel tanks could account for 8–10% of an aircraft’s operating empty weight, so designing them for the least added weight is of high significance. This paper describes the heat transfer model developed in the EU Horizon 2020 project that is used to predict heat ingress to a cylindrical tank with hemispherical end caps with external foam insulation. It accounts for heat transfer according to the state of the tank contents, the insulation material properties, the environment, and the dimensions of the tank. The model also estimates the rate of pressure change according to the state of the fuel and the rate at which fuel is withdrawn from the tank. In addition, a methodology is presented, that allows for tank sizing taking into consideration the requirements of a design flight mission, the maximum pressure developed, and the fuel evaporated. Finally, the study demonstrates how to select optimal insulation material and thickness to provide the lightest design for the cases where no gaseous hydrogen is extracted, and where some hydrogen gas is extracted during cruise, the latter giving gravimetric efficiencies as high as 74%.
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Journal articles
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