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  • Transport Problems

 

Article | 31-July-2018

ENERGY CONSUMPTION AND CARBON FOOTPRINT OF AN ELECTRIC VEHICLE AND A VEHICLE WITH AN INTERNAL COMBUSTION ENGINE

The use of electrically powered vehicles is becoming more and more established in practice and represents a promising solution in future ensuring quality mobility and reducing the pollution in the environment. Since these vehicles are high-priced, and there is still a low awareness among consumers in terms of energy consumption and pollution, vehicles with an internal combustion engine remain the norm. For this purpose, the study, here, provides an energy consumption estimate of an electric

Robert Robert Muha, Aleš Peroša

Transport Problems, Volume 13 , ISSUE 2, 49–58

Article | 14-July-2019

COMPARATIVE LIFE CYCLE IMPACT ASSESSMENT OF CHOSEN PASSENGER CARS WITH INTERNAL COMBUSTION ENGINES

The purpose of this paper is to provide a comparative environmental life cycle assessment (LCA) of chosen internal combustion engine vehicles (ICEVs). It addresses an LCA of both petrol-fuelled and diesel-fuelled passenger cars. The analyses pertained to the carbon footprint and respiratory inorganics related to the cars in question, considered against the relevant system from cradle to grave. The comparative analysis has shown that the carbon footprint of a diesel-fuelled car is lower than

Dorota BURCHART-KOROL, Piotr FOLĘGA

Transport Problems, Volume 14 , ISSUE 2, 69–76

research-article | 23-April-2019

SELECTED ASPECTS OF THE USE OF GASEOUS FUELS BLENDS TO IMPROVE EFFICIENCY AND EMISSION OF SI ENGINE

biofuels, LPG, or compressed natural gas (CNG), and the development of electric drives. An attractive option in counteracting the effects of the emission of internal combustion engines is alternative gas fuels, including biogas, natural gas, dimethyl ether (DME), hydrogen (H2), and mixtures of them. This article focuses on mixtures that are easy to obtain: natural gas and hydrogen (HCNG) and petroleum gases with dimethyl ether (LPG and DME). Their impact on engine performance, combustion

Grzegorz KUBICA, Marek FLEKIEWICZ, Paweł MARZEC

Transport Problems, Volume 14 , ISSUE 1, 95–103

Article | 04-November-2019

ANALYSIS OF SHAFT WEAR IN TURBOCHARGES OF AUTOMOTIVE VEHICLES

Damian HADRYŚ, Henryk BĄKOWSKI, Zbigniew STANIK, Andrzej KUBIK

Transport Problems, Volume 14 , ISSUE 3, 85–96

Article | 31-July-2018

DYNAMIC REGULATION OF THE PERCENTAGE COMPOSITION OF THE MIX DIESEL AND BIODIESEL FUEL

The use of internal combustion engines increase environmental pollution and dependence on fossil fuels. The biodiesel fuel, which is renewable, more environment friendly, and cheaper, is a good alternative for diesel engines. The use of biodiesel fuel leads to a drop in diesel power and an increase in fuel consumption. To prevent these shortcomings, it is proposed to use dynamic regulation of the percentage composition of a mixture of diesel and biodiesel fuel. The modernization of diesel

Orest Horbay, Andrii Poliakov, Mykola Hrechaniuk, Inna Vishtak

Transport Problems, Volume 13 , ISSUE 2, 59–67

Article | 03-March-2018

MAIN TRENDS OF BIOFUELS PRODUCTION IN UKRAINE

The analysis of biological resources for biofuels production in Ukraine has been carried out, and it has been shown that usage of alternative energy sources has great potential for substantially improving energy supply of the state and solving environmental problems. The directions of development and new technologies of obtaining motor fuels from biomass are systematized. It has been established that usage of different types of biofuels and their mixtures for feeding internal combustion engines

Myroslav PANCHUK, Sviatoslav KRYSHTOPA, Liubomyr SHLAPAK, Liudmyla KRYSHTOPA, Andrii PANCHUK, Volodymyr YAROVYI, Aleksander SŁADKOWSKI

Transport Problems, Volume 12 , ISSUE 4, 15–26

Article | 01-December-2012

A SMART CURRENT AND VOLTAGE ACQUISITION SYSTEM WITH HIGH ACCURACY FOR EV APPLICATIONS

Energy management is one of the most important tasks of the electric vehicles (EV) and is totally different with the management in the traditional internal combustion vehicles (ICV). To implement a pleasing management, the system should know the working current and terminal voltage of the traction battery systems very accurately. This paper presents a design of a smart current and voltage acquisition system with high accuracy for EV applications. The detailed structure and components, the

Dai Haifeng, Zhang Xiaolong

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 4, 824–842

Article | 01-September-2012

AN APPROPRIATE PROCEDURE FOR DETECTION OF JOURNAL-BEARING FAULT USING POWER SPECTRAL DENSITY, K-NEAREST NEIGHBOR AND SUPPORT VECTOR MACHINE

Journal-bearings play a significant role in industrial applications and the necessity of condition monitoring with nondestructive tests is increasing. This paper deals a proper fault detection technique based on power spectral density (PSD) of vibration signals in combination with K-Nearest Neighbor and Support Vector Machine (SVM). The frequency domain vibration signals of an internal combustion engine with three journal-bearing conditions were gained, corresponding to, (i) normal, (ii

A. Moosavian, H. Ahmadi, A. Tabatabaeefar, B. Sakhaei

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 3, 685–700

Article | 08-December-2019

THE IMPACT OF CHANGING THE FUEL DOSE ON CHOSEN PARAMETERS OF THE DIESEL ENGINE START-UP PROCESS

For internal combustion engines, many faults relating to the combustion process can occur, which affect the engine technical condition, its electrical equipment, the natural environment, etc. This article presents the results of the influence of the regulatory factor, which was the fuel dose (3 dose values), on selected parameters of the start-up process at constant settings of other control parameters (fuel injection advance angle and injection pressure). The tests of the start-up process were

Jacek CABAN, Paweł DROŹDZIEL, Piotr IGNACIUK, Paweł KORDOS

Transport Problems, Volume 14 , ISSUE 4, 51–62

Article | 26-March-2020

MODELING OF THE BURNING PROCESS IN THE PISTON ENGINES WITH VARIOUS CONCEPTS OF THE WORKING PROCESS

Tamaz NATRIASHVILI, Revaz KAVTARADZE, Merab GLONTI

Transport Problems, Volume 15 , ISSUE 1, 39–48

Research Article | 21-April-2017

Main conditions and effectiveness of gas fuel use for powering of dual fuel IC self-ignition engine

Internal combustion engines are fuelled mostly with liquid fuels (gasoline, diesel). Nowadays the gaseous fuels are applied as driving fuel of combustion engines. In case of spark ignition engines the liquid fuel (petrol) can be totally replaced by the gas fuels. This possibility in case of compression engines is essentially restricted through the higher self-ignition temperatures of the combustible gases in comparison to classical die-sel oil. Solution if this problem can be achieved by using

Stefan POSTRZEDNIK, Grzegorz PRZYBYŁA, Zbigniew ŻMUDKA

Transport Problems, Volume 10 , ISSUE 3, 99–111

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