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Journal articles on the topic 'Aircraft protection'

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Author: Grafiati

Published: 6 September 2023

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1

Taro, Sultan Ahmed, and Muhammed Abbas Hamoodi. "Criminal Protection of Aircraft." International Journal of Law and Politics Studies 5, no. 3 (June 3, 2023): 153–62. http://dx.doi.org/10.32996/ijlps.2023.5.3.8.

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Human transportation, including travel, tourism, trade and transportation of goods through airspace has become one of the necessities and features of this era. Because of the technological development that the world has witnessed and its reflection on transportation, especially air transportation which is distinguished from other means in terms of the merit of speed, comfort and costs, the criminal protection of civil aviation, in addition to the national protection law, has organized it through international conventions such as Chicago Convention, Geneva Convention on the High Seas, Tokyo and Montreal Conventions. However, national and international protection did not prevent crimes against aircraft, rather, due to these developments, this crime has taken many other new forms. After the September 11 attack, even the aircraft was being used to attack civilians and governmental organs. Although substantive and procedural rules in international and national legislations protect aircraft, new forms of this crime which have emerged shall be addressed and complementary jurisdiction shall be adopted not to leave any legal gaps in criminal protection for aircraft.

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2

Babashov, V. G., and N. M. Varrik. "Trends in the development of flexible thermal protection systems for modern aircraft." Perspektivnye Materialy, no. 11 (2020): 10–21. http://dx.doi.org/10.30791/1028-978x-2020-6-10-21.

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The emergence of new types of space and aviation technology necessitates the development of new types of thermal protection systems capable of operating at high temperature and long operating times. There are several types of thermal protection systems for different operating conditions: active thermal protection systems using forced supply of coolant to the protected surface, passive thermal protection systems using materials with low thermal conductivity without additional heat removal, high-temperature systems, which are simultaneously elements of the bearing structure and provide thermal protection, ablation materials. Heat protection systems in the form of rigid tiles and flexible panels, felt and mats are most common kind of heat protecting systems. This article examines the trends of development of flexible reusable heat protection systems intended for passive protection of aircraft structural structures from overheating.

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3

尹, 扬. "Transport Aircraft Self-Protection Technology." Dynamical Systems and Control 07, no. 03 (2018): 232–38. http://dx.doi.org/10.12677/dsc.2018.73025.

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4

Almeraya-Calderón, Facundo, and Jose Chacon-Nava. "Corrosion and Protection in Aeronautical Alloys." Metals 13, no. 6 (June 6, 2023): 1077. http://dx.doi.org/10.3390/met13061077.

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5

Lewandowski, Andrzej, Leszek Loroch, and Monika Świech. "Individual Protection of Aircraft as an Essential Factor of Flying in Conflict Zones and Terrorist Threat Areas." Journal of Konbin 7, no. 4 (January 1, 2008): 71–93. http://dx.doi.org/10.2478/v10040-008-0080-0.

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Individual Protection of Aircraft as an Essential Factor of Flying in Conflict Zones and Terrorist Threat Areas The paper presents ground-to-air weapon threats for aircraft, especially regarding man-portable air-defense systems (MANPADS) and the methods for reducing the threats. Polish participation in military conflicts along with international terrorism result in increasing threats for aircraft. The conducted analysis result in efforts for providing individual protection of aircraft and new countermeasures. Employment of these systems on military aircraft contributes to improved flight safety in threat areas, however expensiveness of individual protection systems make them uncommon on civil aircraft.

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6

Estey, Ralph H. "Canadian use of aircraft for plant protection." Phytoprotection 85, no. 1 (August 27, 2004): 7–12. http://dx.doi.org/10.7202/008900ar.

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AbstractSince 1912, Canadians have used aircraft as aids in the protection of field crops, orchards, and forests from the ravages of fungi, insects, frost, and fire. At first, only fixed-wing aircraft could be used, but from 1947 both fixed-wing and rotary-wing aircraft have been employed. This review also relates the involvement of pioneering people and companies that have developed aerial control methods against biotic and abiotic agents damaging to our plants.

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7

Zhang, Teng, Tianyu Zhang, Yuting He, Bo Hou, and Changfan Li. "Principle and Method for Determining the Calendar Safety Life of Aircraft Structural Protection Systems." Coatings 13, no. 6 (May 24, 2023): 976. http://dx.doi.org/10.3390/coatings13060976.

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The calendar safety life of the surface protection system in aircraft structures is the time limit for it to be used without functional failure at a certain level of reliability and confidence. The reliability of such protection systems and the operational safety and economy of the structure are closely related. This paper firstly establishes two methods for determining the calendar safety life of aircraft structural protection systems under a single service environment and in multiple service environments. A method for determining the reliability of the calendar safety life of the aircraft structural protection system was proposed, and an expression of the relationship between the maintenance costs for the aircraft fleet and the reliability of the calendar safety life of the aircraft structural protection system based on the relationship between the amount of corrosion damage to the structural substrate and the corrosion time and the expression of the calendar safety life of the protection system was established. Finally, taking a hypothetical aircraft fuselage wall plate connection structure as an example, an alternating corrosion fatigue test with protection system specimens was carried out. The process for determining the calendar safety life of the structural protection system and its reliability are given. This method is important to ensure the safety of aircraft structures, improve the efficiency of use, and reduce maintenance costs. Generally speaking, the reliability of the calendar safety life of the structure is 99.9%, and after the analysis in this paper, the reliability of the structural protection system is about 70%.

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8

Bardaro, Danilo, Alessandro Bozzolo, and Donato Zangani. "Advanced Technologies for Bombproof Cargo Containers and Blast Containment Units for the Retrofitting of Passenger Airplanes." International Journal of Aviation Systems, Operations and Training 2, no. 1 (January 2015): 33–47. http://dx.doi.org/10.4018/ijasot.2015010103.

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Commercial aviation can be protected from the threat of explosives in two ways, either by preventing explosives from reaching the aircraft or by mitigating the effects of an explosive by protecting the aircraft from an onboard explosion. The containment units under study aim at acting as complementary and passive security measures for passengers and cabin crew. The proposed concept is a container where an internal high strength layer made of ballistic textiles is used to stop blast fragments, coupled with an external layer deforming in a controlled way during the explosion, designed to fully contain the blast pressure. The current research builds upon the positive results of such concept from a campaign of blast tests and extending its application by developing solutions for the protection of wide-body aircrafts and addressing the Least Risk Bomb Location (LRBL) directive.

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9

Luo, Hong. "Lightning Protection Design of Transceiver Based on Radio Altimeter." Architecture Engineering and Science 3, no. 2 (July 5, 2022): 151. http://dx.doi.org/10.32629/aes.v3i2.899.

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Lightning is a great threat to aircraft flight safety. The lightning protection test of aircraft and the ability of aircraft and its parts to withstand direct and indirect effects are investigated and verified by simulating the real lightning environment in the laboratory. According to the requirements of GJB lightning test, this paper analyzes the lightning grade and introduces several lightning protection designs commonly used in engineer practice.

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10

Zaitseva, Alina, Nikolai Dudayev, and Konstantin Shcherbakov. "MICROPROCESSOR SYSTEM FOR AUTOMATIC CONTROL OF AIRCRAFT FIRE PROTECTION MEANS." Electrical and data processing facilities and systems 18, no. 1 (2022): 131–42. http://dx.doi.org/10.17122/1999-5458-2022-18-1-131-142.

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Relevance The ever-increasing requirements for the safety of the use of aviation technology are inextricably linked with the problem of providing fire protection for aircraft, both military and civilian. The complexity of the problem of ensuring the fire safety of flights is associated with an increase in the intensity of the use of aviation equipment and the expansion of the range of functional tasks performed by it. The resulting complication of on-board equipment and an increase in the number of energy-intensive devices creates the prerequisites for the occurrence of fires on board the aircraft. At the same time, the remoteness of places where fires are possible, the variety of causes leading to fires, as well as the ambiguity of the conditions for the onset and spread, increase the likelihood of equipment failures, but also complicate the crew's activities. The purpose of the study is to implement a prospective aircraft fire protection system that will increase the effectiveness of existing fire extinguishing equipment. The relevance of this research project lies in the creation of an aircraft fire-fighting system that will provide timely detection of overheating/fire in the nacelles of the main power unit, in the compartments of the auxiliary power unit, baggage and cargo compartments and aircraft toilets; reliability of information from fire detection and elimination systems; increase the effectiveness of existing firefighting equipment. Aim of research The aim of the study is to develop a future aircraft fire protection system that will increase the effectiveness of existing fire extinguishing equipment. The objectives of the research project are: 1. Choosing a hardware complex for electronic indication and signaling of the aircraft fire-fighting system; 2. Integration of the fire protection complex into the general aircraft equipment control system. Research methods Analysis of modern high-performance aircraft fire protection systems and creation of a promising fire protection system based on the data obtained Results In the course of this research project, a hardware complex for electronic indication and signaling of the aircraft fire system was selected, and the integration of the fire protection complex into the control system of general aircraft equipment was carried out.

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11

Koptev, A. ""THEORETICAL ASPECTS OF STRENGTH AND THERMAL CONTROL OF HYPERSONIC AIRCRAFT"." National Association of Scientists 1, no. 66 (May 14, 2021): 54–60. http://dx.doi.org/10.31618/nas.2413-5291.2021.1.66.403.

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This article analyzes the theoretical aspects of controlling the strength and thermal modes of hypersonic aircraft. The conditions for the functioning of hypersonic aircraft were also investigated, and problematic situations for their design were identified. The parameters of aerodynamic heating of surfaces and heating of thermal protection of hypersonic aircraft were estimated with an assessment of the parameters of thermal protection of hypersonic aircraft and the magnitude of the heat flux supplied to the surface, with the determination of the parameters of their thermal protection, taking into account the thermophysical characteristics of materials from thermal parameters.

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12

Dong, Yi Qun, Li Dong Zhang, Yi Jun Zhang, and Jian Liang Ai. "Attitude Protection Control for Side Stick-Operated Aircraft." Advanced Materials Research 846-847 (November 2013): 77–85. http://dx.doi.org/10.4028/www.scientific.net/amr.846-847.77.

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A control framework to limit aircraft Euler angles (pitch/rolling) under adverse side stick command adding is introduced. Attitude envelope of the aircraft pitch/rolling angle is discussed based on geometrical position of the aircraft relative to the ground. Control law of is established by using linearized predictive control strategy. The simulation test presents the performance of attitude protection restricting the Euler angles within the required envelop at 1,000m. Based on the test work discussed herein, the control work proposed in this paper is believed to be applicable.

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13

Feldmann, Ulrike. "Protection of Nuclear Facilities Against Aircraft Crash." Nuclear Law Bulletin 2005, no. 1 (July 25, 2005): 63–70. http://dx.doi.org/10.1787/nuclear_law-2005-5k9d19g55r0t.

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14

Komov, Aleksei A. "AIRCRAFT LANDING GEAR SCHEME AND ENGINE PROTECTION." Vestnik Moskovskogo aviatsionnogo instituta 29, no. 1 (2022): 7–18. http://dx.doi.org/10.34759/vst-2022-1-7-18.

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15

Komov, Aleksei A. "AIRCRAFT LANDING GEAR SCHEME AND ENGINE PROTECTION." Vestnik Moskovskogo aviatsionnogo instituta 29, no. 1 (2022): 7–18. http://dx.doi.org/10.34759/vst-2022-1-7-18.

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16

Bockmair, Georg. "Non-Chromate Surface Protection for Aircraft Maintenance." Advanced Materials Research 38 (March 2008): 7–13. http://dx.doi.org/10.4028/www.scientific.net/amr.38.7.

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While chromates as anti-corrosion pigments in primers and wash primers have disappeared in most industries, there are still quite a lot of chromated paints used in the aircraft industry. Intensive efforts to develop alternative pre-treatments to chromate conversion coatings and to chromic acid anodization have begun. The intention of this report is to give an overview of the state-of-the-art techniques about such pre-treatment/coating systems of aluminium for aircraft maintenance, which are in accordance with the latest environmental policies. The objective is to evaluate the combination of surface pre-treatment and paint as a whole.

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17

Plumer, J. Anderson. "AIRCRAFT LIGHTNING PROTECTION DESIGN AND CERTIFICATION STANDARDS." Journal of Atmospheric Electricity 12, no. 1 (1992): 83–96. http://dx.doi.org/10.1541/jae.12.83.

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18

Angelo José Castro Alves, Ferreira Filho. "AIRCRAFT ICE PROTECTION SYSTEM CERTIFICATION PLAN DEVELOPMENT." Engineering Research: technical reports 6, no. 2 (2015): 1–20. http://dx.doi.org/10.32426/engresv6n2-001.

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19

Li, Peng, Yan Heng Zhang, Han Xu Sun, and Hao Pan. "Design and Aerodynamic Characteristics Study of a Spherical Aircraft." Advanced Materials Research 662 (February 2013): 612–15. http://dx.doi.org/10.4028/www.scientific.net/amr.662.612.

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In order to achieve the goals of small aircraft’s taking off and landing in any posture and the protection of propeller, a new single-propeller spherical aircraft structure was proposed, which had the capacity of flying in the air and walking on the ground simultaneously. An aerodynamic model of the aircraft was built. The aerodynamic characteristics of the spherical aircraft, including the lift and the anti-torque and the generated torque of the flow deflectors under the propeller’s down airflow, are studied in depth by means of CFD numerical simulation method. A reasonable design and installation program is proposed according to the research results.

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20

Shvets, S., О. Cherednikov, and I. Motiakov. "ANALYSIS OF STANDARDS REQUIREMENTS FOR AIRCRAFT BONDING." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки 12, no. 3 (October 20, 2022): 136–44. http://dx.doi.org/10.37701/dndivsovt.13.2022.15.

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In the design, modernization and further aircraft operation, the issue of bonding as a means of electromagnetic interference control from equipment and static electricity, lightning protection is given much attention. The relevance of this article lies in the need to understand and comply with the requirements of the standards of all parts of the research and production cycle of modernization of aircraft from enterprises that develop devices and equipment for aircraft to the design bureaus of aircraft repair plants. To ensure the normal operation of radio technical apparatus on aircraft, protection against interference is applied, that caused by electrostatic charges due to voltage ripples on the generator commutator and engine manifold or at the output of rectifiers, as well as due to magnetic fields generated by various electrical facilities and wires. Interference protection of aircraft onboard equipment from electromagnetic interference is achieved by carrying out special measures, including screening of conductors, harnesses of the aircraft electrical system and ignition system of power drive units, bonding of shielding coatings of conductors and harnesses, structural elements and aircraft units. Bonding is also carried out to protect against lightning strikes. The article analyzes the requirements of state and industry standards for bonding, as the main technical measure of lightning protection and electromagnetic interference control on aircraft. Careful selection of the requirements of the standards allows to properly conduct and control the bonding of aircraft. It helps to determine the division of responsibilities in the design, execution and control of the state of bonding.

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21

Wei, Zheng, Fang Chao Wang, Yuan Sheng Wang, and Hong Wei Yu. "Studies on the Protection of Aircraft Oil Tank’s Microbic Erosion Based on Properties of Machinery and Biological Materials." Applied Mechanics and Materials 730 (January 2015): 245–48. http://dx.doi.org/10.4028/www.scientific.net/amm.730.245.

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Microbiological corrosion to the aircraft fuel system caused by microbial growth and reproduction in aviation fuel may also lead a serious safety risk to aircraft. Categories of microorganism in aircraft fuel tanks,reasons and protection methods of microbial corrosion were summarized and the research of microbiologically influenced corrosion protection which connected with quaternary ammonium germicides was prospected in this paper.

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22

Zhao, Binbin, Xianping Li, Jie Li, Haixin Chen, and Jianliang Ai. "Research review on design method of ice protection system for civil aircraft based on ice-tolerant concept." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 39, no. 4 (August 2021): 731–38. http://dx.doi.org/10.1051/jnwpu/20213940731.

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Icing is an important disaster-causing factor which threatens the flight safety of civil aircraft and a major safety issue of concern for the airworthiness. The design of icing protection system based on ice-tolerant concept can minimize the impact of icing on aerodynamic characteristics and fully utilize the potential of flight performance, which is the frontier direction of current icing protection research for civil aircraft. This paper aims at the requirements of civil aircraft flight safety design and airworthiness certification. The design method of civil aircraft icing protection system based on the concept of ice-tolerant capacity is analyzed from two aspects. One is the capacity of ice-tolerant for aircraft frame, the other one is the design of ice-tolerant with active control. The optimum design strategy of wing in aerodynamic performance considering icing loss is refined and the design idea of ice-tolerant protection control system based on flight control law reconstruction is formed. The change from passive flight safety of icing to active safety design of icing can effectively improve the survivability and safety of civil aircraft under icing weather conditions.

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23

Wang, Zhijin, Tao Cheng, and Yu Zhou. "Software Development for Thickness Optimization of Tile-Type Thermal Protection System." International Journal of Aerospace Engineering 2022 (October 14, 2022): 1–24. http://dx.doi.org/10.1155/2022/3663567.

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During the flight mission of hypersonic aircraft, severe aerodynamic heating will occur on the surface, so thermal protection system (TPS) is required to protect the load-bearing structure of the aircraft. The present paper develops an engineering software for automatic optimization of the thickness of tile-type TPS for reusable aircraft. For requirements on TPS of reusable aircraft in the reentry stage, the method of heat flow-time curve enveloping, automatic material selection, and one-dimensional unsteady heat transfer calculation for multilayer plates under thermal load conditions had been researched, an interactive engineering software had been developed. The software improves the calculation accuracy and calculation efficiency of TPS thickness optimization, and it is suitable for rapid design in the conceptual design stage of the aircraft. Finally, by an example, the function of the software is verified.

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24

Oswald, Cyril, Michal Kuchař, Jaromír Fišer, Miroslav Khol, Ivana Oswaldová, Goran Simeunović, Tomáš Vyhlídal, et al. "Pollution and moisture infiltration effect assessment based on data-driven analysis for aircraft heritage protection." E3S Web of Conferences 356 (2022): 02052. http://dx.doi.org/10.1051/e3sconf/202235602052.

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The paper deals with monitoring and analyzing the indoor environmental parameters through remote data collection to evaluate the pollution and moisture infiltration effects on aircraft heritage conservation. First, based on the meteorological and pollution data, the moisture penetration and airborne pollution infiltration into indoor spaces of a heritage site (hangar) with stored historic aircrafts are determined. The hangar under investigation is located in the Aviation museum Kbely, Prague, Czech Republic. The determination is performed by wet/dry cycles (fluctuations) evaluation and applying ISO 11844 methodology to outdoor pollution infiltration into the interior. Next, a time of wetness (ToW) is determined indoors according to ISO 9223, rather as an environmental than a surface parameter as dewing and exceeding high humidity level (approxl RH 80% at T>0 °C) are considered. The actual moisture adsorption onto polluted surfaces of aircraft artifacts is then dependent on the hygroscopic corrosion products developed. Such an adsorption prolongs actual surface ToW. In addition to ToW, even the deposition rate of indoor pollutants, particularly sulphur dioxide and chlorides, are considered and the atmosphere corrosivity is estimated by applying the ISO standardized statistical models for aluminium. The resulting iso-corrosivity figures out the aggressiveness of the hangar environment from the point of view of aircraft material susceptibility to corrosion and degradation.

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Raharningtyas Marditia, Putri Purbasari, and Hans Sebastian Adiwinata. "Model of legal protection for aircraft property guarantee in Indonesia." International Journal of Research in Business and Social Science (2147- 4478) 11, no. 1 (February 14, 2022): 68–75. http://dx.doi.org/10.20525/ijrbs.v11i1.1602.

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Airplanes are legal objects of high economic value (high valuable assets) so that airplanes can be used as assets to guarantee the risk of debt agreements. The regulatory provisions related to guarantees for aircraft are based on the provisions of Law Number 15 of 1992 concerning Aviation which stipulates that aircraft can be used as collateral through a mortgage guarantee institution, but in its development, the regulation was replaced by Law Number 1 of 2009 concerning Aviation, which in its latest arrangement eliminates the ability of aircraft to be subject to collateral. This condition creates a legal vacuum because it does not provide alternative settlements and adjustments to aircraft that have been and will become objects of guarantee. So based on these conditions, it is necessary to have a regulatory model that can be used as a reference in the formulation of regulations related to the continuation of aircraft as an object of guarantee. The regulatory model referred to in this paper is in the form of formulating a regulatory pattern that provides a comprehensive overview of the Guarantee Institution, Implementation Mechanism, Guarantee Execution Mechanism, and Guarantee Implementation Authority that adapts to the regulatory system in Indonesia. To describe the regulatory model, the research method used is a normative juridical method based on a statutory and conceptual approach. With the aim of being able to comprehensively present a form of a continuous pattern of arrangements that will form a protection system for creditors by focusing on the Guarantee Institution, the guarantee implementation mechanism, the guarantee execution mechanism, and the Guarantee Implementing Authority for aircraft.

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26

Brusso, Barry C. "History of Aircraft Wiring Arc-Fault Protection [History]." IEEE Industry Applications Magazine 23, no. 3 (May 2017): 6–11. http://dx.doi.org/10.1109/mias.2017.2659022.

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Moupfouma, Fidele, Zdzislaw Klim, and Adam Skorek. "Electromagnetic Protection Hazards on Composite versus Metallic Aircraft." SAE International Journal of Aerospace 6, no. 2 (September 17, 2013): 441–46. http://dx.doi.org/10.4271/2013-01-2157.

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28

Duck, Thomas J., Bernard Firanski, Frank D. Lind, and Dwight Sipler. "Aircraft-protection radar for use with atmospheric lidars." Applied Optics 44, no. 23 (August 10, 2005): 4937. http://dx.doi.org/10.1364/ao.44.004937.

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29

Pitts, F. L., B. D. Fisher, V. Mazur, and R. A. Perala. "Aircraft jolts from lightning bolts (electronic systems protection)." IEEE Spectrum 25, no. 7 (July 1988): 34–38. http://dx.doi.org/10.1109/6.4573.

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30

Yahanan, Annalisa, Febrian Febrian, and Rohani Abdul Rahim. "THE PROTECTION OF CONSUMER RIGHTS FOR AVIATION SAFETY AND SECURITY IN INDONESIA AND MALAYSIA." Sriwijaya Law Review 1, no. 1 (January 30, 2017): 027. http://dx.doi.org/10.28946/slrev.vol1.iss1.7.pp027-043.

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Indonesia and Malaysia have a good potency for cooperation in aviation industry. It can be seen in the establishing two aviation companies namely PT. Indonesia Air Asia and Malindo which both are low-cost carrier. These aviation industries are categorized as low-cost carrier, however safety and security are absolute factors because these are rights for consumers. This article will describe further about safety and security standard; protecting the rights for consumers in connection with safety aviation in Indonesia and Malaysia from the Consumer Protection Law and the Aviation Law. As a result of the research shows that safety standard passenger for air transportation in airport covers information and safety facility in the shape of availability of the emergency safety tools (fires, accidents and natural disasters); information, area and health facility; and healthcare workers. Moreover, safety standards for passenger in an aircraft include information and safety facility in the shape of availability information and the emergency safety tools for passenger in an aircraft. The protection for consumer rights for safety flight in Indonesia as follows: aviation industry has obligation to fulfill minimum standard of safety and security; consumers must be safety from false information which raises concern; aircraft operation which endanger of the passenger; and consumer protection in operating the electronic device which endanger flight. On the other hand, the law of consumer rights in Malaysia relating to aviation are ruled under the Aviation Law as a result of the Warsaw Convention 1929. In conclusion, the verdict of consumer rights related to security aviation begins when the passenger enter to an aircraft, in the aircraft, and by the time they get off the plane.

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31

Wang, Yi, Ji Gao, and Xiaogang Zhang. "Design of Civil Aircraft Radome Based on Lightning Protection." Journal of Physics: Conference Series 2450, no. 1 (March 1, 2023): 012059. http://dx.doi.org/10.1088/1742-6596/2450/1/012059.

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Abstract According to relevant statistics, an aircraft will encounter lightning every 3000 hours on average. According to relevant research, the vast majority of aircraft encounter lightning during falling or climbing. For lightning protection of composite radome, there are usually measures such as metallization treatment on the surface, the layout of lightning protection diversion strips, etc., to avoid lightning on the radome by guiding the flash current.

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32

Wang, Zhengzhi, Huanyu Zhao, and Senyun Liu. "Numerical Simulation of Aircraft Icing under Local Thermal Protection State." Aerospace 9, no. 2 (February 4, 2022): 84. http://dx.doi.org/10.3390/aerospace9020084.

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The icing phenomenon seriously threatens flight safety, and, therefore, the aircraft needs to be equipped with an icing protection system. Icing may still occur when the anti-icing system is in operation when the protection range or protection power is too small. Given this state, the ice shapes of the airfoil under local thermal protection states are studied in this paper. A numerical simulation method for icing considering water film flow is demonstrated. The solution methods for the governing equations and convective heat transfer coefficient are given. The calculation results were compared with experimental data and a LEWICE calculation to verify the validity of the method. Different protection ranges and protection powers were designed, and the ice shapes under different conditions were simulated. The calculation results show that when the protection range is large, but the protection power is low, icing will still occur in the protection range. Alternatively, when the protection range is small, icing may form outside the protection area. When the combination of protection range and protection power is inappropriate, the critical ice ridge phenomenon will occur. Ice ridges cause the degradation of aerodynamic characteristics and are more dangerous than icing.

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33

Shikalov, V. S., N. S. Ryashin, and A. V. Lapaev. "Cold Spray Repairing Corrosively Damaged Areas on Aircraft Constructions." Solid State Phenomena 265 (September 2017): 325–30. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.325.

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The paper studies the possibility of applying the coatings produced by cold spraying, for the protection and repair of aircraft structural elements of aluminum alloy against corrosion damage during service of aircrafts. Mechanical tests were carried out on samples, made of aircraft alloy 1163RDTV, and repaired by cold spraying after corrosion damage. It is shown that the coating production via cold spraying on corrosively damaged areas can restore the strength characteristics of the sample in the elastic region of deformation diagrams. The preliminary results of the influence of cyclic loading on repaired by cold spraying samples were also obtained. It is shown that the characteristics of durability increased by factor 1.67 in comparisons with the sample that was not repaired after corrosion damage.

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Wang, Peizheng, and Xie Wang. "Blockchain-based Communication Mechanism for Unmanned Aircraft." Frontiers in Computing and Intelligent Systems 1, no. 2 (September 27, 2022): 59–62. http://dx.doi.org/10.54097/fcis.v1i2.1773.

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With the maturity of unmanned aircraft technology, unmanned aircraft have a wide range of applications in areas such as public safety. However, unmanned aircraft are frequently involved in accidents due to network intrusion, and it is urgent to ensure the safety of unmanned aircraft networks. This paper first introduces the current situation and challenges of unmanned aircraft and blockchain, and proposes a communication mechanism for unmanned aircraft based on blockchain technology to achieve unmanned aircraft data security and privacy protection, multi-party data sharing and data storage security to ensure unmanned aircraft network security.

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35

Li, AngJun. "Application and design of a new high power and multi propeller hybrid aircraft." SHS Web of Conferences 148 (2022): 01030. http://dx.doi.org/10.1051/shsconf/202214801030.

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This paper describes and explained a new hybrid system that could be used in the multi propeller aircraft. This new hybrid system solved the problems of fuel cost and environmental protection of traditional fuel aircraft, as well as the endurance and load of pure electric aircraft.

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Zhang, Shuang, Yuanxun Wang, Xinyu Wan, Zhihui Li, and Yangming Guo. "Virtualization Airborne Trusted General Computing Technology." Applied Sciences 13, no. 3 (January 19, 2023): 1342. http://dx.doi.org/10.3390/app13031342.

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Aircraft information service systems, such as airborne information systems, airborne integrated maintenance management systems, and cabin management systems, have greatly improved the ease of use and maintenance of civil aircraft. The current computing platforms used for accommodating these systems are unable to satisfy the multifaceted requirements of future information-based aircraft, such as energy conservation, emission reduction, high-performance computing, and information security protection, due to their high computing capacity, weight, and power consumption. Based on multi-core multi-threaded processors, a security hardware unit with microkernel virtualization technology and a virtualization airborne trusted general computing service architecture is proposed, and key technologies, including a high-performance processing and high-security hardware unit, virtualization management software unit, and virtualization security protection architecture were designed. By building a verification environment, the proposed platform was verified in terms of its application accommodation function, platform performance, and network security protection, for comparison with the existing platforms. The results showed that our method can fulfill the requirements of these technical indicators and is applicable, not only to new-generation civil aircraft, but also to unmanned aerial vehicles (UAVs) and emergency rescue aircraft with high-performance safety-critical computing needs.

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Николайкин and N. Nikolaykin. "New Priorities in the Environment Protection against Civil Aviation Influence." Safety in Technosphere 2, no. 5 (October 25, 2013): 25–30. http://dx.doi.org/10.12737/1575.

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The modern directions of environment protection against aircraft influence in the light of International Civil Aviation Organization (IСAO) decisions have been analyzed. Modern priorities in this activity have been revealed, tendencies of development related to international and civil aviation, as well as evolution of ecological requirements to aircraft, civil aviation’s fuel efficiency increase directions and alternative fuels, problems of aviation noise impact on habitat have been considered.

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ŚLIWIŃSKA, Aleksandra. "Providing on board aircraft security." Scientific Journal of Silesian University of Technology. Series Transport 111 (June 30, 2021): 161–68. http://dx.doi.org/10.20858/sjsutst.2021.111.14.

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This article presents the threats to civil aviation, which may be committed on board aircraft. There are also described solutions, which implemented can increase the security of aircraft. This directly influences the security of the entire civil aviation sector. Many procedures can be introduced by airlines (air carriers) on board aircraft, within the aircraft while its layover, or stand on the airport’s surfaces for protection against threats.

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Suzuki, Yoshiro, Akira Todoroki, Ryosuke Matsuzaki, and Yoshihiro Mizutani. "OS08F028 Impact damage visualization by resistive heating using lightning protection system for CFRP aircraft." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2011.10 (2011): _OS08F028——_OS08F028—. http://dx.doi.org/10.1299/jsmeatem.2011.10._os08f028-.

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Martin, Charles A., and James C. Putt. "Advanced pneumatic impulse ice protection system (PIIP) for aircraft." Journal of Aircraft 29, no. 4 (July 1992): 714–16. http://dx.doi.org/10.2514/3.46227.

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Lee, Jae-Won, Min-Young Cho, Yong-Hwan Kim, Kwanjung Yee, and Rho-Shin Myong. "Current Status and Prospect of Aircraft Ice Protection Systems." Journal of the Korean Society for Aeronautical & Space Sciences 48, no. 11 (November 30, 2020): 911–25. http://dx.doi.org/10.5139/jksas.2020.48.11.911.

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Prokopov, Oleg, and Tal Shima. "Linear Quadratic Optimal Cooperative Strategies for Active Aircraft Protection." Journal of Guidance, Control, and Dynamics 36, no. 3 (May 2013): 753–64. http://dx.doi.org/10.2514/1.58531.

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Zhang, Ye, Yingzhi Huang, Qiping Chu, and Coen C. de Visser. "Database-Driven Safe Flight-Envelope Protection for Impaired Aircraft." Journal of Aerospace Information Systems 18, no. 1 (January 2021): 14–25. http://dx.doi.org/10.2514/1.i010846.

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Jingfeng, Wu, and Song Jianyu. "Investigation of Fire Protection Certification for Aircraft Engine Components." International Journal of Energy and Power Engineering 8, no. 6 (2019): 73. http://dx.doi.org/10.11648/j.ijepe.20190806.11.

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Rea, S. P., D. Linton, E. Orr, and J. McConnell. "Broadband high-impedance surface design for aircraft HIRF protection." IEE Proceedings - Microwaves, Antennas and Propagation 153, no. 4 (2006): 307. http://dx.doi.org/10.1049/ip-map:20050268.

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Rose, William I., and David J. Schneider. "Satellite images offer aircraft protection from volcanic ash clouds." Eos, Transactions American Geophysical Union 77, no. 52 (December 24, 1996): 529–32. http://dx.doi.org/10.1029/96eo00345.

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Kuryachii, A. P. "Efficiency of a radiative-evaporative aircraft thermal protection system." Fluid Dynamics 30, no. 1 (January 1995): 18–27. http://dx.doi.org/10.1007/bf02029922.

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Butko, V. S., M. I. Gorbunova, V. I. Zykov, and M. V. Krupin. "Aircraft lightning protection in aviation of EMERCOM of Russia." Fire and Emergencies: Prevention, Elimination 4 (2022): 30–38. http://dx.doi.org/10.25257/fe.2022.4.30-38.

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Matkovskiy, Nikita O., Andrei Yu Ermolaev, and Viktor V. Tishkov. "Aircraft Thermal Protection Based on the New Class Materials." Vestnik Moskovskogo aviatsionnogo instituta 30, no. 1 (2023): 107–16. http://dx.doi.org/10.34759/vst-2023-1-107-116.

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Krasuski, Kamil. "Aircraft positioning using SPP method in GPS system." Aircraft Engineering and Aerospace Technology 90, no. 8 (November 5, 2018): 1213–20. http://dx.doi.org/10.1108/aeat-03-2017-0087.

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PurposeThe purpose of this paper is based on implementation of Global Navigation Satellite System (GNSS) technique in civil aviation for recovery of aircraft position using Single Point Positioning (SPP) method in kinematic mode.Design/methodology/approachThe aircraft coordinates in ellipsoidal frame were obtained based on Global Positioning System (GPS) code observations for SPP method. The numerical computations were executed in post-processing mode in the Aircraft Positioning Software (APS) package. The mathematical scheme of equation observation of SPP method was solved using least square estimation in stochastic processing. In the experiment, airborne test using Cessna 172 aircraft on September 07, 2011 in the civil aerodrome in Mielec was realized. The aircraft position was recovery using observations data from Topcon HiperPro dual-frequency receiver with interval of 1 second.FindingsIn this paper, the average value of standard deviation of aircraft position is about 0.8 m for Latitude, 0.7 m for Longitude and 1.5 m for ellipsoidal height, respectively. In case of the Mean Radial Spherical Error (MRSE) parameter, the average value equals to 1.8 m. The standard deviation of receiver clock bias was presented in this paper and the average value amounts to 34.4 ns. In this paper, the safety protection levels of Horizontal Protection Level (HPL) and Vertical Protection Level (VPL) were also showed and described.Research limitations/implicationsIn this paper, the analysis of aircraft positioning is focused on application the least square estimation in SPP method. The Kalman filtering operation can be also applied in SPP method for designation the position of the aircraft.Practical implicationsThe SPP method can be applied in civil aviation for designation the position of the aircraft in Non-Precision Approach (NPA) GNSS procedure at the landing phase. The typical accuracy of aircraft position is better than 220 m for lateral navigation in NPA GNSS procedure. The limit of accuracy of aircraft position in vertical plane in NPA GNSS procedure is not available.Social implicationsThis paper is destined for people who works in the area of aviation and air transport.Originality/valueThe work presents that SPP method as a universal technique for recovery of aircraft position in civil aviation, and this method can be also used in positioning of aircraft based on Global Navigation Satellite System (GLONASS) code observations.

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