ISSN 1507-2711
JOURNAL DOI: dx.doi.org/10.17531/ein

JCR Journal Profile


Członek(Member of): Europejskiej Federacji Narodowych Towarzystw Eksploatacyjnych  - European Federation of National Maintenance Societies  Wydawca(Publisher):Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne (Warszawa) - Polish Maintenance Society (Warsaw)   Patronat Naukowy(Scientific supervision): Polska Akademia Nauk o/Lublin  - Polish Akademy of Sciences Branch in Lublin  Członek(Member of): Europejskiej Federacji Narodowych Towarzystw Eksploatacyjnych  - European Federation of National Maintenance Societies


 We verify submissions originality with the use of iThenticate plagiarism checker


 All accepted articles are published Open Access under the Creative Commons Licence: CC-BY 4.0

Publisher:
Polish Maintenance Society
(Warsaw)

Scientific supervision:
Polish Academy of Sciences Branch in Lublin

Member of:
European Federation
of National Maintenance Societies


Attention!

In accordance with the requirements of citation databases, proper citation of publications appearing in our Quarterly should include the full name of the journal in Polish and English without Polish diacritical marks, i.e. "Eksploatacja i Niezawodnosc – Maintenance and Reliability".


 

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MOST CITED

Update: 2021-07-01

1. COMPUTER-AIDED MAINTENANCE AND RELIABILITY MANAGEMENT SYSTEMS FOR CONVEYOR BELTS
By: Mazurkiewicz, Dariusz

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume: 16   Issue: 3   Pages: 377-382   Published: 2014

Times Cited: 59
2. ON APPROACHES FOR NON-DIRECT DETERMINATION OF SYSTEM DETERIORATION
By: Valis, David; Koucky, Miroslav; Zak, Libor

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume 14, Issue: 1   Pages: 33-41   Published: 2012

Times Cited: 53
3. A NEW FAULT TREE ANALYSIS METHOD: FUZZY DYNAMIC FAULT TREE ANALYSIS
By: Li, Yan-Feng; Huang, Hong-Zhong; Liu, Yu; et al.

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume 14, Issue: 3 Pages: 208-214 Published: 2012

Times Cited: 51
4. INNOVATIVE METHODS OF NEURAL RECONSTRUCTION FOR TOMOGRAPHIC IMAGES IN MAINTENANCE OF TANK INDUSTRIAL REACTORS
By: Rymarczyk, Tomasz; Klosowski, Grzegorz

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume: 21 Issue: 2 Pages: 261-267 Published: 2019

Times Cited: 50
5. APPLICATION OF NEURAL RECONSTRUCTION OF TOMOGRAPHIC IMAGES IN THE PROBLEM OF RELIABILITY OF FLOOD PROTECTION FACILITIES
By: Rymarczyk, Tomasz; Klosowski, Grzegorz

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume: 20 Issue: 3 Pages: 425-434 Published: 2018

Times Cited: 45
6. ASSESSMENT MODEL OF CUTTING TOOL CONDITION FOR REAL-TIME SUPERVISION SYSTEM
By: Kozlowski, Edward; Mazurkiewicz, Dariusz; Zabinski, Tomasz; Prucnal, Slawomir; Sep, Jaroslaw

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume: 21 Issue: 4 Pages: 679-685 Published: 2019

Times Cited: 40
7. PREDICTING THE TOOL LIFE IN THE DRY MACHINING OF DUPLEX STAINLESS STEEL
By: Krolczyk, Grzegorz; Gajek, Maksymilian; Legutko, Stanislaw

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume: 15 Issue: 1 Pages: 62-65 Published: 2013

Times Cited: 39
8. MAINTENANCE DECISION MAKING BASED ON DIFFERENT TYPES OF DATA FUSION
By: Galar, Diego; Gustafson, Anna; Tormos, Bernardo; et al.
EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY 
Volume 14, Issue: 2   Pages: 135-144   Published:2012

Times Cited: 38
9. TESTS OF EXTENDABILITY AND STRENGTH OF ADHESIVE-SEALED JOINTS IN THE CONTEXT OF DEVELOPING A COMPUTER SYSTEM FOR MONITORING THE CONDITION OF BELT JOINTS DURING CONVEYOR OPERATION
By: Mazurkiewicz, Dariusz

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Issue: 3 Pages: 34-39 Published: 2010

Times Cited: 37
10. RELIABILITY ANALYSIS OF RECONFIGURABLE MANUFACTURING SYSTEM STRUCTURES USING COMPUTER SIMULATION METHODS
By: Gola, Arkadiusz

EKSPLOATACJA I NIEZAWODNOSC-MAINTENANCE AND RELIABILITY
Volume 21, Issue: 1, Pages: 90-102, Published: 2019

Times Cited: 36

 

 



Task „Implementation of procedures ensuring  the originality of scientific papers published in the quarterly „Eksploatacja i Niezawodność – Maintenance and Reliability” financed under contract 532/P-DUN/2018 from the funds of the Minister of Science and Higher Education for science dissemination activities.


Łukasz Rymaniak

Ocena emisji zanieczyszczeń z pojazdów w odniesieniu do CO2 na podstawie badań autobusów miejskich w rzeczywistych warunkach eksploatacji

W artykule przedstawiono rozważania dotyczące oceny emisji zanieczyszczeń z pojazdów ciężkich na podstawie badań realizowanych w rzeczywistych warunkach eksploatacji. Przedstawiane do tej pory charakterystyki ekologiczne silnikowych środków transportu opierały się przede wszystkim na emisji jednostkowej lub drogowej. W pracy przedstawiono analizę emisji związków toksycznych odniesioną do związku szkodliwego CO2, dla którego założono, że jest miarą poprawności realizacji procesu spalania. Wyznaczone w ten sposób parametry nazwano wskaźnikami toksyczności. Obiekty badawcze stanowiły osiemnastometrowe autobusy miejskie wyposażone w trzy rodzaje układów napędowych: konwencjonalny i hybrydowy z silnikami ZS, a także pojazd zasilany sprężonym gazem ziemnym z silnikiem ZI. Wszystkie autobusy spełniały normę Euro V–EEV. Pomiary wykonano zgodnie z procedurą testu jezdnego SORT 2 oraz na trasie badawczej w aglomeracji poznańskiej. Badania w warunkach rzeczywistej eksploatacji pozwalają dokonać rzetelnej oceny ekologiczności danego obiektu badawczego, ponieważ obejmują znacznie większy obszar zmienności parametrów pracy silników spalinowych w porównaniu z laboratoryjnymi testami homologacyjnymi. Wykonane badania drogowe i ich analiza pozwoliły na sformułowanie wniosków dotyczących słuszności stosowania opracowanej metody oceny emisji zanieczyszczeń, bazującej na wskaźnikach toksyczności, dla pojazdów wyposażonych w różne rodzaje układów napędowych.

The assessment of vehicle exhaust emissions referred to CO2 based on the investigations of city buses under actual conditions of operation

The paper discusses the assessment of the exhaust emissions from heavy-duty vehicles following investigations under actual traffic conditions. The environmental characteristics presented thus far were mainly based on unit or road emissions. The paper presents an analysis of exhaust emissions referred to the harmful CO2, which was assumed as measure of correctness of the combustion process. The parameters determining this way are referred to as emission indexes. The research objects were 18-meter city buses fitted with three types of powertrains: conventional engine, hybrid (electric motor combined with a diesel engine) and a spark ignition engine fuelled with compressed natural gas (CNG). All buses were Euro V–EEV compliant. The measurements were performed according to the SORT 2 driving test procedure on the test route within the Poznan agglomeration. Investigations performed under actual traffic conditions allow a true assessment of environmental performance of a given research object because they cover a much greater engine operating parameter variability range compared to laboratory and homologation tests. The performed road tests and their analysis led to conclusions related to the applicability of the developed method of emission assessment based on emission indexes for vehicles fitted with different powertrains.

Use of emission indicators related to CO2 emissions in the ecological assessment of an agricultural tractor

The paper presents the proposed proprietary M exhaust emission indicator, which is based on the assumption that CO2 emissions are a measure of the correctness of the combustion process. The measurements were performed using a farm tractor meeting the Tier 3 emission norm, operated in real conditions during plowing work. The tests were carried out for a given land section at three speeds In the analysis of test results, the net engine work was used, as it is carried out in the type approval procedures. When measuring in real operating conditions, the torque read from the OBD system is overstated because it takes into account the engine’s internal resistance. In the analysis of test results, the fuel consumption, emission indicators of gaseous compounds and particulates were determined, and the best conditions for conducting agricultural works were indicated in terms of their impact on the natural environment. The aim of the work is to verify the possibility of determining the emission index for an off-road vehicle and a comparative analysis of its values for various operating parameters of a farm tractor. On this basis, it was found that the lowest values of the M identity were recorded for the test characterized by a vehicle speed of 15 km/h.


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