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    Wyświetlanie 1-6 z 6
    Tytuł:
    The possibilities of conducting scenario analyses of a sustainable development of the transport system using the emitransys model
    Autorzy:
    Jacyna-Gołda, I.
    Gołębiowski, P.
    Jachimowski, R.
    Kłodawski, M.
    Lewczuk, K.
    Izdebski, M.
    Szczepański, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/243760.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    scenario analysis
    scenario procedure
    transport ecology
    EMITRANSYS
    proecological transport system
    Opis:
    The article presents selected aspects of shaping pro ecological transport system. Correct, socially responsible, economically reasonable and far-sighted allocation of resources is one of the basic tools of sustainable development shaping. In the case when this concept in a narrower sense refers to shaping the national transport system one can distinguish the general problem: how to invest financial resources in the development of the transport system and how to manage this system in order to one can say about it as "sustainable". The article presents the principles of creating scenario analyses, discusses the procedure and elements of an algorithm for the development of scenarios of the sustainable transport system. The procedure for conducting scenario consists of three stages of research. The analyses were conducted by the use of EMITRANSYS model. The EMITRANSYS model was developed in Visum. Its main elements are the network model, demand model, integrated database and a set of scenarios of an analysis of transport system development. The simulation model EMITRANSYS was developed under the PBS1 project "Shaping of the pro ecological transport system” financed by the National Centre of Science and Development. The project was realized within the consortium consisting of the Faculty of Transport of The Warsaw University of Technology and the Faculty of Machines and Transport of The Poznan University of Technology in the years 2012-2014.
    Źródło:
    Journal of KONES; 2016, 23, 4; 151-158
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identification and analysis of parameters for the areas of the highest harmful exhaust emissions in the model emitransys
    Autorzy:
    Ambroziak, T.
    Gołębiowski, P.
    Pyza, D.
    Jacyna-Gołda, I.
    Merkisz-Guranowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/247522.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    proecological transport system
    transport
    air pollution
    emission of exhaust gases
    EMITRANSYS
    Opis:
    A scheme has been developed to be utilized for solving the interaction between wing aerodynamic loads and the flexibility of wing structures under a quasi static assumption. The interaction is implemented through a link between the nodes of finite element model and the grids of transonic small disturbance model. The particular finite element responses, namely translational displacement vectors (TDV), are utilised for reconstructing the deflected wing surfaces. So in each iteration, the updated surfaces are involved as the parent for regenerating the TSD grids. The criteria of the Euclidean norm is applied for evaluating the convergency of aero-structure interaction. Catia-V5, is fully employed to manage three dimensional geometries for developing the model of wing structures, calculating grids and aerodynamic loads, as well as for reconstructing the updated wing surfaces. Numerous functions and objects of Catia are employed by conducting particular accesses via component object models using Microsoft Visual Basic.Net. A case study is excersized to demonstrate the interaction in transonic speed. The results shown that the scheme is very good in the way performing the interaction in quasi static condition. The utilization of TDV for generating the deflected wing surfaces indicates the capability of high fidelity deformations with respect to the complexity of finite element model
    Źródło:
    Journal of KONES; 2013, 20, 3; 9-20
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation model of transport system of Poland as a tool for developing sustainable transport
    Autorzy:
    Jacyna, M.
    Wasiak, M.
    Lewczuk, K.
    Kłodawski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/223681.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    EMITRANSYS
    proecological transport system
    simulation model
    Visum
    transport proekologiczny
    model symulacyjny
    Opis:
    Paper presents features of simulation model of proecological transport system on the example of Poland. Model allows computational experimentation and inference on transport modal split and emission of pollution in national transport system. Particular elements of the model are characterized: transport networks for different modes, stock of vehicles, demand model for passenger and freight transport, and mechanism of material and passenger flows distribution into a network. Characteristics describing infrastructure, vehicles, and harmful compounds of exhaust gases are given. Model is implemented in PTV VISUM. Road and rail vehicles for passenger and freight transport are characterized and divided into groups according to types. The demand for transport services and emission of exhaust gases components are reflected in model of proecological transport system of Poland. The last part of paper presents exemplary results of research on estimating emission from transport activities.
    Źródło:
    Archives of Transport; 2014, 31, 3; 23-35
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the traffic stream distribution in terms of identification of areas with the highest exhaust pollution
    Autorzy:
    Ambroziak, T.
    Jachimowski, R.
    Pyza, D.
    Szczepański, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/223597.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    transport
    proecological transport system
    PTV Visum
    emission pollution
    transport proekologiczny
    emisja zanieczyszczeń
    Opis:
    Transport is a sector that is said to be negatively affecting the environment. The continuous development of transport increases the negative impact on the environment and civilization. In the article authors present the parameters that were used to describe the size of harmful transport exhaust emissions, in particular by means of road transport and the factors affecting their size. The areas where the level of concentrations of air pollutants are exceeded in Poland were characterized and analysed. Also examples of the stream traffic distribution in the selected area of the transport network were presented.
    Źródło:
    Archives of Transport; 2014, 32, 4; 7-16
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Implementation of the model of proecological transport system
    Autorzy:
    Jachimowski, R.
    Kłodawski, M.
    Lewczuk, K.
    Szczepański, E.
    Wasiak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/245589.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    proecological transport system
    transport
    simulation
    traffic modelling
    emissions of harmful compounds of exhaust gases
    Opis:
    Paper presents assumptions to build simulation model allowing computational experimentation and inference on impact of various factors on transport modal split and the impact that transport has on environment. It presents a general mathematical model of environmentally friendly transport system and characterizes particular elements of this model. The structure of transport network is mapped with a graph. The characteristics describing elements of this structure, vehicles, and characteristics of harmful compounds emission are given. Model will be implemented in PTV VISUM environment – a tool supporting planning of transport processes as well as analysis and designing of transport systems. The model of proecological transport system developed in PTV VISUM will consist of model of demand for both passenger and freight transport, and model of transport network cooperating with various means of transport. Road and rail vehicles for passenger and freight transport are characterized and divided into groups according to type of fuel and harmful emission. The demand for transport services and emission of exhaust gases components are reflected in model of proecological transport system of Poland. The last part of paper presents a sample of preliminary research on estimating emission from particular type of vehicle.
    Źródło:
    Journal of KONES; 2013, 20, 4; 129-139
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Models of traffic flow distribution for various scenarios of the development of proecological transport system
    Autorzy:
    Jacyna-Gołda, I.
    Żak, J.
    Gołębiowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/223793.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    traffic flow
    external costs of transport
    development of transport system
    proecological transport system
    potok ruchu
    sieć transportowa
    koszty zewnętrzne transportu
    rozwój systemu transportowego
    transport proekologiczny
    Opis:
    The paper is a result of a research work concerning the development of an environmentally friendly transport system - Project EMITRANSYS. The publication contains the issues of shaping the transport system, where important factor due to the aspect of sustainable development is including the external costs in transport activity. This paper presents a mathematical model of the distribution of the traffic flow in the transport network. The paper presents selected aspects of the problem of multi-variant distribution of the traffic stream on the network transport for defined scenarios for the transport system development. Traffic distribution on the network has been made due to the criterion function – external cost connected with air pollution. The paper presents modal split of traffic ecological flow for chosen scenarios of the development domestic transport system.
    Źródło:
    Archives of Transport; 2014, 32, 4; 17-28
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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