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Tytuł:
The Properties of ATMs Development Stages- An Empirical Analysis
Autorzy:
Gurgul, Henryk
Suder, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/466040.pdf
Data publikacji:
2014
Wydawca:
Główny Urząd Statystyczny
Tematy:
ATM
withdrawals
saturation level
Opis:
This paper addresses the crucial problem of the ATM’s network management which is so-called the saturation level of withdrawals. This notion refers to mean level of withdrawals after dropping particular withdrawals realized in the initial time period, (i.e. time period after activation of ATM) and the length of elapsing time period necessary to reach saturation level. One can observe that the level of withdrawals and their number stabilize as time elapses. The paper aims to define average withdrawals after achieving saturation level and mean time necessary to stabilize withdrawals (based on historical data). In addition, we established that – under condition of similarity in terms of location and date of start - ATMs exhibit similar characteristics of the development effects. This allows us for predicting the size of time necessary to achieve saturation and the average withdrawal in the state of saturation.
Źródło:
Statistics in Transition new series; 2014, 15, 3; 443-466
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The branch and bound algorithm for a backup virtual path assignment in survivable atm networks
Autorzy:
Walkowiak, K.
Powiązania:
https://bibliotekanauki.pl/articles/907991.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
automatyka
survivable networks
ATM
branch and bound algorithm
Opis:
Issues of network survivability are important, since users of computer networks should be provided with some guarantees of data delivery. A large amount of data may be lost in high-speed Asynchronous Transfer Mode (ATM) due to a network failure and cause significant economic loses. This paper addresses problems of network survivability. The characteristics of virtual paths and their influence on network restoration are examined. A new problem of Backup Virtual Path Routing is presented for the local-destination rerouting strategy. The function of the flow lost due to a failure of a single link is chosen as the performance index. The problem of finding the optimal virtual path assignment is NP-complete. Therefore we develop an exact algorithm based on the branch and bound approach. Moreover, two heuristic algorithms are proposed. Numerical results are presented.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2002, 12, 2; 257-267
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The nexus between electronic payment system and entrepreneurial activities in rural areas of Ogun State, Nigeria
Autorzy:
Ogunmuyiwa, Michael
Amida, Olasunkanmi
Powiązania:
https://bibliotekanauki.pl/articles/2108273.pdf
Data publikacji:
2022-06-30
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
ATM
electronic payment
entrepreneurial activities
mobile banking POS
rural areas
Opis:
Electronic payment systems have become the new channels for financial transactions driving business operations globally. However, the extent to which electronic payment systems influence entrepreneurial activities in rural areas is still a major concern for development analysts. Hence, the purpose of the paper is to examine the impact of electronic payment systems on entrepreneurial activities in rural areas of Ogun State, Nigeria. Survey research design method was employed in the study. Three hundred and eighty-five (385) respondents who are owners of micro and small enterprises were sampled. Purposive sampling technique was employed to administer the questionnaire to the respondents. The data were analysed using the Ordinary Least Square (OLS) regression technique. The findings revealed that electronic payment system via automated teller machine (β = .148; t = 2.587; P = .010), point of sales systems (β = .173; t = 3.461; P =.000) and mobile banking (β = .170; t = 2.949; P = .003) significantly drive entrepreneurial activities in rural areas. The findings further establish that point of sales system is the most significant measure of electronic payment system driving entrepreneurial activities in rural areas. The study recommends that micro and small enterprises’ owners should leverage more on the point of sales system in driving their activities while also taking advantage of automated teller machines and mobile banking platforms.
Źródło:
Przedsiębiorczość - Edukacja; 2022, 18, 1; 51-63
2083-3296
2449-9048
Pojawia się w:
Przedsiębiorczość - Edukacja
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rotorcraft in the performance based navigation international civil aviation organization implementation
Autorzy:
Fellner, Andrzej
Konieczka, Robert
Powiązania:
https://bibliotekanauki.pl/articles/36399661.pdf
Data publikacji:
2019
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
Tematy:
PBN
ATM
integrity
accuracy
continuity
availability
integralność
precyzja
ciągłość
dostępność
Opis:
European Commision adopted in July new regulations about laying down airspace usage requirements and operating procedures concerning performance based navigation. It is next step in realization of the the global program PBN ICAO. At the 36th General Assembly of ICAO held in 2007, the Republic of Poland agreed to ICAO resolution A36-23 which urges all States to implement PBN. In future aviation concepts the use of Performance Based Navigation (PBN) is considered to be a major Air Traffic Management (ATM) concept element. ICAO has drafted standards and implementation guidance for PBN in the ICAO Doc 9613 “PBN Manual”. The Based Performance Navigation Concept represents and shift from sensor-based to performance based navigation connected with criteria for navigation: accuracy, integrity, availability, continuity and functionality depending on the phase of the flight. Through PBN and changes in the communication, surveillance and ATM domain, many advanced navigation applications are possible to improve airspace efficiency, improve airport sustainability, reduce the environmental impact of air transport in terms of noise and emission, increase safety and improve flight efficiency.
Źródło:
Transactions on Aerospace Research; 2019, 1 (254); 53-64
0509-6669
2545-2835
Pojawia się w:
Transactions on Aerospace Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozwój sieci bankomatów w Polsce a opłaty interchange i surchange
ATM Network Development in Poland and ATM Interchange and Surcharge Fees
Autorzy:
Górka, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/574690.pdf
Data publikacji:
2011-08-31
Wydawca:
Szkoła Główna Handlowa w Warszawie. Kolegium Analiz Ekonomicznych
Tematy:
automated teller machines
ATM
cash
payment card
interchange fee
surcharge fee
Opis:
The article sets out to assess the development of Poland’s network of automated teller machines (ATMs) after a series of reductions in ATM interchange fees in the Visa and MasterCard systems in 2010. The author aims to determine how these reductions have influenced the development of the country’s cash dispenser network and analyzes whether or not ATM owners should be allowed to impose special surcharges on cash withdrawals under law. Moreover, based on empirical research conducted in 2010 and 2009, the author estimates the savings for consumers and banks resulting from the use of ATMs. Thanks to cash dispensers, consumers save time, while banks and the economy as a whole save money, Górka notes. The research makes use of foreign market experience, especially that gained in the United States, and of theoretical models developed in various research reports. The specific features of the Polish market are also taken into account. The author outlines the advantages and disadvantages of ATM surcharges, pointing out that, under the current economic conditions in Poland, following the interchange fee reductions, passing laws regulating the permissibility of surcharges would be beneficial to the development of the country’s ATM network, especially in rural areas and small towns. The development of the ATM network benefits both consumers and banks, the author says. Poland is a country in which cash payments continue to dominate and consumers need to have access to banknotes and coins, while cash dispensers are a relatively cheap channel of distributing cash, Górka says. Based on macroeconomic data for 2009, the author estimates that Polish consumers saved 22.4 million hours that year by withdrawing cash in ATMs instead of at bank branches, which means that the average consumer and bank product user saved 1 hour. The total cost savings of the Polish economy from the use of ATMs stood at 1.63 billion zlotys (about 400 million euros). The estimated cost savings for banks were 1.34 billion zlotys (around 340 million euros), according to Górka. An analysis of the Polish market data shows that the reductions in the interchange fees collected from ATM cash withdrawal transactions have directly led to a sharp decline in the profitability of the ATM business for banks and independent ATM deployers, who have recently been the main driving force behind the development of the ATM network in Poland. In the case of Poland, the possibility of charging special ATM transaction convenience fees does not necessarily mean that such fees will be charged to consumers, while they would help stimulate the market, according to the author. At the moment, interchange fees are low, Górka says, which discourages both banks and independent ATM deployers from investing in the development of the ATM network despite consumer expectations.
Źródło:
Gospodarka Narodowa. The Polish Journal of Economics; 2011, 249, 7-8; 89-112
2300-5238
Pojawia się w:
Gospodarka Narodowa. The Polish Journal of Economics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing for signatures of natural selection at molecular genes level
Autorzy:
Cyran, K.
Polańska, J.
Kimmel, M.
Powiązania:
https://bibliotekanauki.pl/articles/333073.pdf
Data publikacji:
2004
Wydawca:
Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:
testowanie kwalifikacyjne
ludzkie geny nowotworowe
selection testing
human cancer genes
ATM
RECQL
Opis:
The paper presents the methodology used for detecting the signatures of natural selection at the molecular level from single nucleotide polymorphism data. The results obtained from widely used approach, based on statistical testing departures from neutral evolution model, can be obscured by the presence of alternative hypotheses generating the similar to natural selection results of the tests. These hypotheses include population growth and geographic substructure. Especially for human population these alternatives are of non-negligible importance. In the paper we show how to deal with this problem, both by the analysis of a battery of statistical tests giving indication about the age of the predominant mutations, and by application of non conventional null hypotheses that assume different population scenarios. Since the critical values of the tests are known only for panmicting, constant size population, the second approach demands the intensive computer simulations of coalescence process to obtain analogous critical values for different scenarios used as a null. The methodology with the problem of detecting signatures of natural selection in four genes implicated in human familial cancers has been illustrated.
Źródło:
Journal of Medical Informatics & Technologies; 2004, 8; MM31-40
1642-6037
Pojawia się w:
Journal of Medical Informatics & Technologies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Financial innovations and new tools in finance
Autorzy:
Wójcik-Czerniawska, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/18104744.pdf
Data publikacji:
2023-03-15
Wydawca:
Szkoła Główna Handlowa w Warszawie. Kolegium Zarządzania i Finansów
Tematy:
financial innovation
financial sector
mobile banking
ATM
financial strategies
innovation new tools
Opis:
A benefit in and of itself is not what makes innovation so valuable. In order to make the company ‘more innovative,’ you might hear someone advise a certain course of action. Additionally, a company’s ability to innovate successfully can serve as a magnet for the best and brightest in the industry. They become steadfast employees who appreciate the opportunity to be part of the company’s innovation efforts. Managing innovation is a systematic strategy to implement changes that aim to improve a company’s products, processes, or overall position. There must be an increase in sales or customer satisfaction, a stronger working relationship between the company’s many divisions, or a better working environment for employees as a result of the changes. Financing innovation refers to the development of new financial products, services, or procedures. Throughout the years, innovations in financial instruments and payment methods have fuelled financial innovation. Bank performance depends on financial innovation because it has the potential to boost the industry’s efficiency and profitability. Banks utilise financial and organisational innovation to save money and improve the sector. Using a cash dispensing machine provides users with an ability to withdraw money whenever and wherever they want. With a single click, you can receive or pay cash via mobile banking. This is a great choice for people who do not feel comfortable going to typical bank offices. With negligible transaction costs, it is one of the most cost-effective ways to evaluate financial services.
Źródło:
Journal of Management and Financial Sciences; 2022, 46; 105-116
1899-8968
Pojawia się w:
Journal of Management and Financial Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Relations between ATM traffic parameters and quality of multimedia transmission - an experimental approach
Autorzy:
Sochan, A.
Powiązania:
https://bibliotekanauki.pl/articles/309189.pdf
Data publikacji:
2002
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
multimedia
multimedia transmission
quality of service
traffic parameters
MPEG-2
ATM
CBR
VBR
Opis:
In the paper, we present the results of research of MPEG-2 streams transmission through CBR and VBR channel in ATM network. We applied not only experimental and measurement methods but analytical ones as well. A description of the proposed measurement station includes: installed hardware, created software and prepared experimental data. Next, we present the applied measurement method. In the following section, we define a term of the quality of multimedia transmission. The measurement results were compared with the results of the analytical station model. We proposed a functional description of dependence between ATM traffic parameters, video stream bit rate, and quality of multimedia transmission.
Źródło:
Journal of Telecommunications and Information Technology; 2002, 2; 14-20
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Symulacja procesu uzupełniania gotówki w bankomatach
Simulation of the process of replenishment of cash at ATMs
Моделирование пополнения денежных средств в банкоматах
Autorzy:
Gurgul, Henryk
Suder, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/544063.pdf
Data publikacji:
2016-11
Wydawca:
Główny Urząd Statystyczny
Tematy:
bankomat
wypłaty
symulacja doładowań gotówką
ATM
withdrawals
simulation of replenishment
банкомат
изъятия
моделирование зарядки наличными деньгами
Opis:
W artykule zaprezentowano najbardziej istotne zagadnienia dotyczące zarządzania siecią bankomatów. Podstawę badania stanowiły bankomaty sieci Euronet, zlokalizowane w województwach małopolskim i podkarpackim. Część empiryczną artykułu oparto na szeregach czasowych wypłat z tych bankomatów w okresie od stycznia 2008 r. do grudnia 2012 r. Badanie pokazało, że najistotniejszym czynnikiem wpływającym na wysokość kosztów zarządzania analizowanej sieci bankomatów jest czas i wielkość wypłat. Główne wyniki i wnioski oparto na modelu liniowym zdefiniowanym w tym opracowaniu. Zaprezentowano wpływ wyboru chwili doładowania i wielkości wypłat na koszty obsługi bankomatów oraz wskazano, w jaki sposób można zmniejszyć koszt zarządzania bankomatami.
The article presents the most important issues concerning the management of ATM network. The basis of the study were Euronet ATMs, located in the Małopolskie and Podkarpackie voivodships. The empirical part of the article is based on a time series of withdrawals from the ATMs in the period from January 2008 to December 2012. The study shows that the most important factor affecting the amount of management costs in the analyzed ATM network is the time and the size of withdrawals. The main results and conclusions are based on a linear model defined in this study. The authors present the impact of the time choice and the withdrawal amount for the costs of operating ATMs and indicate how you can reduce the cost of managing ATM.
В статье были представлены важнейшие вапросы касающиеся управления сетью банкоматов. Основой для обследования были банкоматы сети Euronet, расположены в малопольском и подкарпатском воеводствах. Эмпирическая часть статьи была основана на временных рядах снятия средств в этих банкоматах в период с января 2008 г. по декабрь 2012 г. Обследование позволило прийти к выводу, что самыми важными факторами влияющими на размер затрат на управление обследуемой сетью банкоматов являются время и объем изъятия. Основные результаты и выводы были основаны на линейной модели определенной в этой разработке. Было представлено влияние момента зарядки и объема изъятий на расходы по эксплуатации банкоматов, а также было указано на то, как можно снизить затраты на управление банкоматами.
Źródło:
Wiadomości Statystyczne. The Polish Statistician; 2016, 11; 54-72
0043-518X
Pojawia się w:
Wiadomości Statystyczne. The Polish Statistician
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sieć komputerowa Instytutu Łączności
The computer network of the National Institute of Telecommunications
Autorzy:
Wójcik, G.
Powiązania:
https://bibliotekanauki.pl/articles/317602.pdf
Data publikacji:
2000
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
sieci komputerowe
intranet
usługi sieciowe
urządzenia sieci komputerowej
ATM
computer network
network services
computer network devices
Opis:
Omówiono prace nad budową sieci komputerowej Instytutu Łączności. Szczególną uwagę poświęcono zagadnieniom związanym z wyborem technologii sieciowej, konfiguracji szkieletu sieci oraz doborem urządzeń sieciowych. Opisano również podstawowe usługi sieciowe uruchomione w sieci komputerowej IŁ, system zarządzania siecią oraz wybrane aspekty systemu ochrony informacji.
The paper describes works on the development of the computer network of the National Institute of Telecommunications. The issues concerning choice of the network technology, backbone configuration, and equipment selection are discussed in details. The basic services provided in the network, network management system, and selected aspects of data security system are also presented.
Źródło:
Telekomunikacja i Techniki Informacyjne; 2000, 1-2; 60-71
1640-1549
1899-8933
Pojawia się w:
Telekomunikacja i Techniki Informacyjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Emission of selected exhaust compounds in jet engines of a jet aircraft in cruise phase
Autorzy:
Pawlak, M.
Majka, A.
Kuźniar, M.
Pawluczy, J.
Powiązania:
https://bibliotekanauki.pl/articles/134256.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
jet engine
emission
fuel consumption
cruise phase
ATM
SESAR
silnik odrzutowy
emisja
zużycie paliwa
faza rejsu
zarządzanie ruchem lotniczym
Opis:
Nowadays, air transport is in an intense development phase. In order to optimize air communication and make it even more economical and environmentally friendly, attempts are made to undertake such activities as, e.g., SESAR project, which aims to develop and implement a modern ATM system. One of the parts of this project is the research on minimizing fuel consumption and emissions of pollutants in the engine exhausts. In the paper there is therefore presented the methodology for determining emission of those pollutants for the longest stage of the flight - the cruise phase. First, the value of the thrust required for the flight of an exemplary aircraft was deter-mined, and then the values of the engines trust and specific fuel consumption were computed. Additionally, it was necessary to determine the Emission Indexes (EI) of CO, NOx, HC and CO2 for the cruise phase, based on known such indexes for the LTO. Total emissions of these pollutants for the mission adopted to conduct research - a 1000 km long cruise - were determined. These emissions were computed for the exemplary aircraft per one kilometre, as well as per one hour of flight for various cruising altitudes and flight speeds.
Źródło:
Combustion Engines; 2018, 57, 2; 67-72
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ rozwoju FinTech na stacjonarne oddziały instytucji bankowych w Polsce
The impact of FinTech development on traditional banking institutions in Poland
Autorzy:
Czarkowska, Marta
Bagniewski, Bartosz
Powiązania:
https://bibliotekanauki.pl/articles/2168535.pdf
Data publikacji:
2022
Wydawca:
Szkoła Główna Handlowa w Warszawie
Tematy:
FinTech
system bankowy
bankowość stacjonarna
bankowość internetowa
bankowość mobilna
ATM
e-commerce
BLIK
banking system
stationary banking
internet banking
mobile banking
Opis:
Szybko postępująca cyfryzacja i unowocześnianie technologii informacyjnych dają impuls do korzystania z innowacyjnych rozwiązań proponowanych przez szeroko rozumiany sektor finansów. W prezentowanej pracy przedstawiono rozwój systemu bankowego w Polsce, perspektywę zjawiska FinTech (technologie finansowe) ze zwróceniem uwagi na funkcjonujące oddziały bankowe a także innowacyjne rozwiązania finansowe. Celem artykułu jest analiza wpływu rozwoju FinTech na stacjonarne oddziały instytucji bankowych w Polsce. Autorzy zwracają uwagę na zmiany w zachowaniach właścicieli kont bankowych, na przykład sposób wypłaty gotówki. Głównym źródłem informacji wykorzystanych w artykule są dane uzyskane w wyniku przeprowadzenia ankiety. Analiza wyników badań pokazuje, że tradycyjne oddziały bankowe stają się zbędne oraz nieopłacalne i powoli z roku na rok ich liczba będzie maleć. Autorzy zwracają także uwagę na niesamowity fenomen BLIKA, który coraz częściej zastępuje inne metody płatności proponowane przez banki.
The rapidly advancing digitisation and modernisation of information technologies are an impulse to use innovative solutions proposed by the broadly understood financial sector. The presented work presents the development of the banking system in Poland, the perspective of the FinTech phenomenon, with focus on operating bank branches in Poland, as well as innovative solutions. The aim of the article is to analyse the impact of FinTech development on traditional branches of banking institutions in Poland. The authors look at today’s behavior of bank account holders with regard to everyday activities, such as withdrawing cash. At the same time they make suggestions as to the reason for the presented results, in order to clearly formulate the final conclusions. The authors also discuss areas analogous to the main topic, such as cashless payment methods, with a closer analysis of their real impact on the banking structure. The main source of information for this article are results obtained from the authors’ own research. The considerations lead to the conclusion that in today’s banking environment bank branches are somewhat unnecessary and unprofitable, and will slowly decrease in number year by year. The results of the study highlight the amazing BLIK phenomenon, which is increasingly replacing payment methods offered by banks.
Źródło:
e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie; 2022, 97, 5; 13-25
1731-6758
1731-7428
Pojawia się w:
e-mentor. Czasopismo naukowe Szkoły Głównej Handlowej w Warszawie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozwój rynku kart płatniczych w Polsce na tle pozostałych krajów Unii Europejskiej
Development of the payment cards market in Poland in comparison with other European Union countries
Autorzy:
Idzik, Marcin
Sobczak, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/542525.pdf
Data publikacji:
2018-01-28
Wydawca:
Główny Urząd Statystyczny
Tematy:
płatności bezgotówkowe
karta płatnicza
bankomat
terminal
POS
analogie przestrzenno-czasowe
non-cash payments
credit card
ATM
POS terminal
space-time
analogy
Opis:
Celem badania jest identyfikacja i projekcja tendencji rozwoju rynku płatności bezgotówkowych w Polsce w zakresie wykorzystywania kart płatniczych. Badanie przeprowadzono na podstawie danych Europejskiego Banku Centralnego (EBC) dla krajów UE za lata 2000—2014. Zastosowano metodę analogii przestrzenno-czasowych. W Polsce obserwuje się wyższą niż średnia UE dynamikę wykorzystania kart płatniczych w płatnościach przy terminalach POS (w punktach handlowych). Jednakże pod względem takich mierników, jak liczba kart płatniczych per capita oraz liczba terminali POS i bankomatów na 1 mln mieszkańców zaobserwowano ponad 10-letni dystans dzielący Polskę od średniej UE. Rynek w Polsce wykazał podobieństwo do 20 krajów UE i utrzymanie tendencji rozwojowych przynajmniej do roku 2020.
The aim of this article is to identify and project trends in the development of the non-cash payment market in Poland in terms of the payment cards use. The study was carried out on the basis of data from the European Central Bank (ECB) for EU countries for the years 2000—2014. The space-time analogy method was used. In Poland, the dynamics of payments by card at POS terminals (in commercial outlets) is higher than the EU average. However, in terms of such measures as the number of payment cards per capita as well as the number of POS terminals and ATMs per 1 million inhabitants, the gap between Poland and the EU average is over 10 years. In Poland, market was similar to 20 EU countries and will maintain development trends at least until 2020.
Źródło:
Wiadomości Statystyczne. The Polish Statistician; 2018, 63, 1; 77-95
0043-518X
Pojawia się w:
Wiadomości Statystyczne. The Polish Statistician
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of wind impact on emission of selected exhaust compounds in jet engines of a business jet aircraft in cruise phase
Autorzy:
Pawlak, M.
Majka, A.
Kuźniar, M.
Pawluczy, J.
Powiązania:
https://bibliotekanauki.pl/articles/134098.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
jet engine
emission
exhausts
fuel consumption
cruise phase
Air Traffic Management
ATM
SESAR
silnik odrzutowy
emisja
spaliny
zużycie paliwa
faza rejsu
zarządzanie ruchem lotniczym
Opis:
Among the most important problems currently faced by air transport, we can distinguish the adverse impact of aircrafts on the natural environment, as well as the rising costs of transport. One of the possibilities to improve this situation is better adjustment of aircraft characteristics to the performed transport tasks, taking into account all the requirements and limitations that exist in air traffic and the adverse impact of air transport on the natural environment. It is reflected in the research tasks conducted under the SESAR program. The aspiration to minimize the adverse impact of aircrafts on the environment is executed, among others, through determining such trajectories that are characterized by minimal fuel consumption or minimal emission of harmful substances in the engines exhausts. These goals are corresponding with the research conducted and described in the paper. The main aim of the work was to analyse the impact of wind speed and direction on the emission of harmful substances of a jet aircraft performing a flight on a given route. For research purposes, the route between two Polish cities Gdansk and Rzeszow was considered. The distance between the two airports was divided into sections for which wind direction and strength were determined (read from the windy.com website). Next, the aircraft performance was determined and the fuel consumption and the amount of harmful compounds (CO2, NOx, CO and HC), emitted in the engines exhausts were determined for the route from Gdansk to Rzeszow (under favourable wind conditions) and on the return route - from Rzeszow to Gdansk (under unfavourable wind conditions). For comparative purposes, emission of these substances for windless conditions was also determined. The results are presented in tables and depicted in the graph, as well as discussed in the conclusions of the paper.
Źródło:
Combustion Engines; 2018, 57, 2; 55-60
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 16

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