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Tytuł:
Safety of complex aircraft ergatic systems
Autorzy:
Pila, Jan
Kozuba, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/374293.pdf
Data publikacji:
2019
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
aircraft critical system
monitoring system
integration system
redundancy
system krytyczny w samolocie
system monitoringu
integracja systemu
redundancja
Opis:
In this paper, aircraft safety of complex critical systems in terms of the automation and safety has been investigated. We think, due to the automation, the role of operators has shifted from active control to passive monitoring. Performing this last task even might be more difficult because of the monotony and needs of realization of the active control in emergency situation. The management of complex ergatic systems is relevant at the present stage of the development of science and technology. It is a particular concern to evaluate the activity of an operator as the element of the ergatic system. New technologies presented by automation should complement and not displace human functions in aircraft control. The paper focuses on new technologies applied in aircraft systems to ensure higher safety and system reliability. The main problem of aircraft safety is addressed to aircraft critical systems as helicopter transmission system monitoring, aircraft system integration, and system redundancy. The research is based on experimental methods and case studies. The subject of the research is to evaluate the importance of complex ergatical systems, e.g., interaction between the subject and the object in its operational process. As the example of helicopter main gearbox diagnostics, as an object of complex engineering system, is stated hypothesis that there is possibility to determine changes in the characteristics of critical flight parameters and to determine the current level of flight hazard. The work is based on experimental and measurementbased testing, systematic and scientific procedure of data collection, analysis and interpretation. The practical implication can be utilized for safety benefits, risk mitigation and avoidance.
Źródło:
Transport Problems; 2019, 14, 2; 101-110
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concepts of managing and increasing the efficiency of using airspace in relation to increasing air traffic
Autorzy:
Kozuba, Jarosław
Krawczyk, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/576335.pdf
Data publikacji:
2018-03-20
Wydawca:
Akademia Sztuki Wojennej
Tematy:
Polish airspace
AAR
corridors in airspace
increasing the effi ciency of use of
airspace
air operations
Opis:
Polish airspace is available on equal terms to all its users. Due to the increasing air traffic airspace structure and the system of airspace, management should constantly improve, taking into account the provisions of international and national conditions. The article looks at issues in the management of airspace in order to increase the efficiency of the use of Polish airspace while maintaining an appropriate level of air traffic safety during flight operations by military and civilian aircraft.
Źródło:
Security and Defence Quarterly; 2018, 18, 1; 45-56
2300-8741
2544-994X
Pojawia się w:
Security and Defence Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Koncepcja rozwiązań w zakresie BSP oraz wyzwania dla służb ruchu lotniczego związane z potencjalnym zagrożeniem przez bezpilotowe statki powietrzne
Autorzy:
Kozuba, Jarosław.
Krawczyk, Jacek.
Powiązania:
Zeszyty Naukowe / Wyższa Szkoła Oficerska Sił Powietrznych 2016, nr 3, s. 135-144
Data publikacji:
2016
Tematy:
Bezzałogowe statki powietrzne szkolenie
Bezzałogowe statki powietrzne obsługa i eksploatacja
Loty bezpieczeństwo
Opis:
Rys., tab.
Bibliogr.
Dostawca treści:
Bibliografia CBW
Artykuł
Tytuł:
The Consequences and Recurrence of Dangerous Occurrences in Air Transport in 1919-2018
Autorzy:
Kozuba, Jarosław
Sirko, Stanisław
Pila, Jan
Powiązania:
https://bibliotekanauki.pl/articles/2010317.pdf
Data publikacji:
2021
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
aviation accidents
air transport
recurrence occurrences
safety
statistics
wypadki lotnicze
transport lotniczy
powtarzalność zdarzeń
bezpieczeństwo
statystyka
Opis:
The paper presents statistical research results regarding the occurrence of which dangerous aviation events in 1919-2018. The source of the information about the events was the AviationSafetyNetwork website. With the use of Excel 2016 and Statistica v. 12 computer programs, five-time intervals were identified in which hazardous aviation incidents took place.Characterizing the distribution of these events in all periods, due to the technological advancement and capabilities of airplanes, the distribution of dangerous events in the last three periods was compared. The following tests were used to verify the statistical hypotheses: , Shapiro-Wilk, Brown-Forsythe, Kruskal-Wallis. When choosing the appropriate test, the following factors were taken into account: the type of measurement scale, the dependence/independence of samples, and their number. The standard significance level was assumed to be α = 0.05. The consequences and repeatability of aviation events in the identified time intervals were analyzed. The research questions that were posed were the following: in which seasons of the year, months, days of the month, and days of the week did the most dangerous events deaths occur? How often did dangerous events take place? Was the distribution of events similar in the identified periods? The results of the conducted research allowed to identify five periods in which hazardous events took place and demonstrate that in particular periods the distribution of hazardous air events in subsequent seasons, months, and days of the week was not the same.
Źródło:
Safety & Defense; 2021, 3; 42-55
2450-551X
Pojawia się w:
Safety & Defense
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Turbofan Engines Efficiency, Historical Trends, and Future Prediction: A Review
Autorzy:
Kuropatwa, Michał
Wegrzyn, Nicolas
Kozuba, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/2174776.pdf
Data publikacji:
2022
Wydawca:
Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
Tematy:
turbofan engine
bypass ratio
overall pressure ratio
specific fuel consumption
safety
composite materials
silnik turbowentylatorowy
współczynnik obejścia
całkowity stosunek ciśnień
jednostkowe zużycie paliwa
bezpieczeństwo
materiały kompozytowe
Opis:
Technological development in the aviation business is usually dictated by diverse safety, economic, environmental, and social goals set by governments, regulatory agencies, and the market. Recently, a rapidly increasing interest in making air transportation climate neutral has been observed. The objective of this study is to analyze the historical trends of aircraft engine fuel efficiency, identify parameters affecting engine efficiency and initiate a discussion about future technology development needed to meet the expectations. The commercial turbofan engines test data comparison is provided in this study, followed by a theoretical assessment. The presented test data trends show a clear correlation between specific fuel consumption decrease and engine parameters like bypass ratio and overall pressure ratio increase, which is confirmed by theoretical assessment. Based on performed analysis results, a bypass ratio increase was indicated as the one potential path to reduce aircraft engine fuel consumption. Bypass ratio improvement could be achieved by fan diameter increase and rotation speed reduction in the case of turbofan engine architecture. A larger fan rotor requires a high torque drive and significantly increases engine weight which could be compensated by the lightweight design of the engine components, e.g., by applying composite materials.
Źródło:
Safety & Defense; 2022, 2; 82--90
2450-551X
Pojawia się w:
Safety & Defense
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of possible modification of transport aircraft to medevac in the Czech Republic
Autorzy:
Kozuba, Jarosław
Piła, Jan
Martinec, František
Powiązania:
https://bibliotekanauki.pl/articles/27311340.pdf
Data publikacji:
2023
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
aircraft design
MEDEVAC
medical equipment
transport
pandemic
projekt samolotu
sprzęt medyczny
pandemia
Opis:
With a growing number of coronavirus patients worldwide, military and civilian transport aircraft are increasingly being used for civilian medical evacuation duties (MEDEVAC) on time-critical flights. This article deals with the possibility of converting an aircraft fleet in the Czech Republic to MEDEVAC. The indication for the analysis of the possibility of transforming transport aircraft was the past and current pandemic situation in the Czech Republic. The main research question is how to implement the modification of a selected airline of the Czech Republic to MEDEVAC. An analysis of the technical data of selected aircraft from Airbus and Boeing was used to investigate this problem. Further, an analysis of the medical equipment required for the MEDEVAC aircraft category was also performed using equipment manufactured in the Czech Republic. The results obtained by the analysis and spatial arrangement of the aircraft deck for the transport of patients with medical equipment confirmed the possibility of such a transformation within the Czech Republic. We consider it important to elaborate on a project that would solve, in detail, all the steps of the conversion of a transport aircraft to MEDEVAC.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2023, 118; 109--121
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 23

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