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    Wyświetlanie 1-8 z 8
    Tytuł:
    External costs of dust and gas environmental loads in rail transport of aggregates
    Autorzy:
    Kolanek, C.
    Zajac, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/393912.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    rail transport
    environmental load
    external costs
    dust emissions
    transport kolejowy
    obciążenia środowiskowe
    koszt zewnętrzny
    emisja pyłów
    Opis:
    According to experts, passenger and goods transport is essential for the economic growth and prosperity of each society. Every transport system burdens the environment, using the dedi-cated infrastructure and its resources. The contemporary means of transport use the environ-ment to generate propulsion energy (directly in combustion engines or indirectly in electric power plants). Rail transport is considered to be environment-friendly owing to its low exter-nal costs, which include the costs of the consequences of discharging gases and/or dusts into the atmosphere. The aim of this research was to identify the components of rail transport costs borne by the orderer of a transport service and by the electric power plant supplying the rail-way with electricity, on the basis of a case study of the transport of aggregate. Calculations showed the share of such costs in transport costs (in the considered case) to be marginal. In the light of this finding the definition of external costs is critically evaluated.
    Źródło:
    Archives of Transport System Telematics; 2015, 8, 2; 33-36
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Emisja CO i NOx pochodzących z silników spalinowych pojazdów samochodowych na tle norm euro
    CO and NOx emission from vehicles engines, in the light of the euro norm
    Autorzy:
    Kwaśniak, U.
    Janicki, M.
    Kolanek, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/193170.pdf
    Data publikacji:
    2012
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Komunikacji Rzeczpospolitej Polskiej
    Tematy:
    emisja zanieczyszczeń
    silnik spalinowy
    wskaźnik emisji
    europejski standard emisji spalin
    pollution emission
    IC engine
    emission factor
    European emission standard
    Opis:
    Dynamiczny rozwój komunikacji samochodowej jest wyraźnie odczuwalny przez środowisko naturalne, jak również przez człowieka (zarówno w aspektach pozytywnych, jak i negatywnych). W wyniku spalania paliw w silnikach spalinowych powstaje emisja zanieczyszczeń mająca negatywny wpływ na otoczenie. Mając na uwadze ideę zrównoważonego rozwoju w zakresie transportu drogowego, na etapie planowania i podejmowania decyzji, konieczne jest wykonanie ocen wpływu przedsięwzięcia na środowisko, uwzględniając stan tła, będący jej odniesieniem. W niniejszym opracowaniu opisano analizę emisji CO i NOx pochodzących z pojazdów samochodowych, wyznaczoną za pomocą obowiązujących wskaźników emisji oraz zarejestrowanego (rzeczywistego) składu jakościowo-ilościowego ruchu drogowego dla wybranego odcinka drogi krajowej we Wrocławiu. Wyniki obliczeń przedstawiono i porównano w podziale na zarejestrowane kategorie pojazdów, a także wyznaczając udział wartości emisji określonej za pomocą wskaźników emisji w wartości emisji wyznaczonej za pomocą norm Euro. Najmniejszą różnicę emisji, w rozbiciu na grupy pojazdów, obserwuje się dla samochodów osobowych i busów do transportu osób, natomiast największa rozbieżność, względem wyników obliczonych omawianymi sposobami, występuje w przypadku samochodów ciężarowych. Należy jednak zwrócić uwagę, że opracowywane wskaźniki emisyjne określają w sposób uśredniony każdą z grup pojazdów poruszających się w kraju. Natomiast wartości emisji obliczone za pomocą wartości granicznych - europejskiego standardu emisji spalin, uwzględniają grupę rzeczywiście poruszających się pojazdów po analizowanym odcinku drogi i odpowiadający im najwyższy dopuszczalny poziom emisji.
    The dynamic expansion of road transport is clearly noticeable by natural environment and by human being (with its positive and negative aspects). Pollution emission with its negative impact on the environment results from fuel combustion in motor engine. Taking into consideration the sustainable statement in scope of road transport, it is necessary to prepare the Environmental Impact Assessment (considering state of environmental background) during the stages of planning and taking decison. This thesis describes CO and NOx emission from road vehicle estimated by current valid emission indicators and noting down traffic quantitative-qualitative composition for the selected section of roads in Wrocław. Results of calculation were presented in terms of elass of vehicles and compared to each other. The least difference in emission, considering different groups of vehicles, is observable for passenger cars and small buses (passenger vans). The biggest discrepancy - in regard to results achieved by aforementioned emission estimation - was noticed for lorries (trucks, heavy duty vehicles). It is important to pay attention to the fact that emission indicators show averaged results for all groups of vehicles moving around a country. At the same time European emission standards are based on more strict estimation methods that take into account number of cars from a specific group moving within an analyzed section of the road and their highest allowed emission level (approved limits of their emission).
    Źródło:
    Transport Miejski i Regionalny; 2012, 8; 22-25
    1732-5153
    Pojawia się w:
    Transport Miejski i Regionalny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Exhaust gas toxicity problems in ship drives
    Autorzy:
    Kolanek, C.
    Sroka, Z. J.
    Walkowiak, W. W.
    Powiązania:
    https://bibliotekanauki.pl/articles/963451.pdf
    Data publikacji:
    2007
    Wydawca:
    Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
    Tematy:
    inland navigation
    diesel engine
    fuel cell
    emission
    standards
    Opis:
    The issues discussed in the article include exhaust gas emission, purity requirements and standards, methods of reducing the emission of harmful exhaust gas components, and alternative and future traction drive sources having the form of fuel cells. The discussion often refers to the situation of road transport, a subsystem which severely affects the environment and thus is obliged to intensify the search for solutions.
    Źródło:
    Polish Maritime Research; 2007, S 1; 46-52
    1233-2585
    Pojawia się w:
    Polish Maritime Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The management of urban parking LOTS
    Autorzy:
    Topolski, M.
    Topolska, K.
    Janicki, M.
    Kolanek, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/393577.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Stowarzyszenie Telematyki Transportu
    Tematy:
    telematics
    parking traffic management
    telematics system
    genetic algorithm
    parking
    system
    reverse logistics
    motorization index
    traffic intensity
    telematyka
    zarządzanie ruchem na parkingu
    system telematyki
    algorytm genetyczny
    logistyka odwrotna
    wskaźnik motoryzacji
    intensywność ruchu
    Opis:
    The continuous development of urban areas significantly affects the life, functioning, moving residents of the urban agglomeration. For that reason, the only way to increase the parking capacity in cities is to construct more multistory parking lots. Direct correlation of social, environmental and economic factors sets the way of parking lot planning and design basing on sustainable development principle. The article describes the variables that influence the parking lot management model and presents computer methods that can be used to identify the factors affecting it. The measurements of traffic intensity at the entrance and exit of a shopping centre in Wroclaw are also included. The developmental nature of this project requires that certain problems to be analysed more closely. The article includes the impact of the use of telematic tools to manage parking lots.
    Źródło:
    Archives of Transport System Telematics; 2016, 9, 1; 47-51
    1899-8208
    Pojawia się w:
    Archives of Transport System Telematics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potential non-toxic aqueous emulsion as a diesel fuel
    Autorzy:
    Haller, P.
    Jankowski, A.
    Kolanek, C.
    Walkowiak, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/244342.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    emulsions
    water
    diesel engine
    nitrogen oxides
    emissions
    Opis:
    Natural processes occurring on Earth (fires, volcanic eruptions) and human activity in the area of acquisition and processing of energy, is the cause of the continuous contaminating the atmosphere of combustion products. The combustion of fuels is and will be in the near future primary means of generating energy, including for transportation purposes. Transport is the cause of many environmental threats - emits dust and particles along with many of gaseous harmful substances and also noise and vibration. Power sources used for transport are almost exclusively equipped with internal combustion engines, among which is dominated by a diesel engines. In view of the known advantages of these motors such as high efficiency and relatively low emissions of toxic compounds in the exhaust gas, they have been accepted as the most preferred source of power motor vehicles in the coming decades, assuming that meet the requirements of future regulations regarding environmental protection. The problem to be solved in internal combustion engines is the emission of nitrogen oxides. In this paper are contained an overview of proven methods and results in the reduction of nitrogen oxides in exhaust gases by means of emulsion fuels, and forming an opinion concerning of the usefulness of such solutions in the future.
    Źródło:
    Journal of KONES; 2015, 22, 3; 43-48
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heat release in spark ignition engine with internal catalyst
    Autorzy:
    Andrych-Zalewska, M.
    Walkowiak, W. W.
    Kolanek, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/245329.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    heat release
    catalyst
    spark ignition
    pressure
    Opis:
    In the present work there have been shown the results of initial researches concerning heat release process in the spark ignition engine with inner catalyst. There has been presented the calculative model of heat release process and calculative methodology leading to obtaining temperature course, combustion function and its derivative because of measured course of combustion pressure. The pressure courses, which are necessary for calculations, were obtained on the measure seat with AD 1600 engine that is load with eddy- current brake. The engine was equipped with spark plug with miniature pressure sensor f-my Kistler, and the courses of pressure were recorded by the use of f-my Smetec apparatus. The courses of heat release process were analysed in rotations of n=1500 rotations/min and n=3000 rotations/minute and load of 50 Nm and 70 Nm. The analysis was made comparatively for the system with the catalyst and without catalyst. In the work there have been presented the results of experimental and model researches which aim was the analysis of the issue of influencing the catalytic active surfaces placed in the spark ignition engine combustion space. Those surfaces, catalysing the process of creating combustible mixture and its combustion, influence the combustion process course and, simultaneously, have impact on the engine work parameters and the heat release course.
    Źródło:
    Journal of KONES; 2015, 22, 4; 7-14
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact analysis of air humidity on operating parameters of diesel engine
    Autorzy:
    Haller, P.
    Jankowski, A.
    Kolanek, C.
    Magdziak-Tokłowicz, M.
    Wróbel, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/246293.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    humidity
    diesel engine
    efficiency
    engine power
    engine torque
    Opis:
    A major problem in the combustion diesel engines is the different distribution of the mixture of air and fuel and also temperatures inside the combustion chamber. It helps the formation of points of the high and low oxygen concentration in the combustion chamber of the engine. In areas with a high concentration of oxygen, the combustion process produces very harmful NOx, and in places with low oxygen concentration, as a result of incomplete fuel combustion particles are created in the form of soot. This not regular distribution of the mixture of air and fuel and temperatures in the combustion chamber affect the limited maximum engine power and efficiency at his every operating cycle. One method for improving the combustion process is feeding into the engine air with high relative humidity. The study was conducted on a chassis dynamometer at the Department of Vehicles Engineering Wroclaw University of Technology. For the purposes of the study determined the external characteristics, including maximum engine power and maximum engine torque at different air relative humidity and quite similar air temperature. Analysis of the results of research shows that high air relative humidity has a positive effect on the work parameters of the diesel engine.
    Źródło:
    Journal of KONES; 2015, 22, 3; 37-42
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solving the problem of air quality in Indian cities by retrofitting the EGR
    Autorzy:
    Sroka, Z. J.
    Walkowiak, W.
    Reksa, M.
    Kolanek, C.
    Pillai, C. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/132981.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    engine pollution
    retrofitting
    Exhaust Gas Recirculation
    EGR
    zanieczyszczenia silnika
    modernizacja
    recyrkulacja spalin
    Opis:
    This paper touches problem of transportation pollution focusing on NOx reducing in the India. There were India country chosen for study as the second populated country and most polluted cities in the world. As from statistics, it is known that more than 65% of Indian cars are old and they are the main reason of air pollution. Most of the old cars do not have any control measures for eliminating deadliest gases. Dumping the old cars is not possible, as the poor owns most of the old cars. For eliminating the pollution from old cars, the possible remedy is to control the emission of pollutants. Comparing to all gases in exhaust, nitrogen oxides are the dangerous one. It can may cause up to death. The best method to control the NOx gas is EGR (Exhaust Gas Recirculation) valves. This research mainly focuses on the possible ways of installing EGR in old engines and fabricate an EGR in one of the Indian cars. Maruti Suzuki 800 is best of for fabricating EGR, as it is a base model and most sold Indian car. As the result, there tremendous decreasing in NOx emission also the emission CO2 was reduced. The investigation about fabricating EGR in old vehicle results a positive output after calculated the cost of the fabrication, time consumption, work challenges and other facts. As Indian government adopt this concept, they can reduce the pollution from all types of vehicles to a great extend in few years of time with low investment.
    Źródło:
    Combustion Engines; 2018, 57, 2; 61-66
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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