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Wyświetlanie 1-4 z 4
Tytuł:
The impact of car vehicle class on volatile organic compounds (VOCs) concentration in microatmosphere of car cabin
Autorzy:
Janicka, A. B.
Reksa, M.
Sobianowska-Turek, A.
Powiązania:
https://bibliotekanauki.pl/articles/247600.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
volatile hydrocarbons
indoor measurements
car vehicle cabin
Opis:
The inner atmosphere of a car vehicle became one of the most important environments of human life. Many elements inside of a car cabin are potential sources ofvolatile organic compounds (VOC's) which hazardous effect on human health is proved. To estimate quality of indoor air of a car the qualitative analysis of hydrocarbons is very important considering the fact that some substances (i.e. benzene, acetone and xylene isomers) despite low concentration level characterize toxic and carcinogenic properties. A significant impact on VOC's concentration has vehicle cabin eąuipment and quality of applied materials. The internal sources of the pollution are elements of cabin equipment (textiles, foams, plastic materials), solvents in glues, paints, lacąuers and car cosmetics. The external sources of the pollution are pollutants emitted to environment in gas phase by mobile or static sources. This paper presents the results of the research which aim was qualitative and quantitative analysis of VOC's concentration inside of various classes of car vehicle cabins. The research was done in Emission Research Laboratory of the Division of Motor vehicles and Internal Combustion Engines. The analysis was done according to European standard (EN ISO 16017-1: 2006) on gas chromatograph (Varian 450 GC) eąuipped in capillary column and flame-ionization detector (FID). Keywords: Volatile hydrocarbons, indoor measurements, car vehicle cabin.
Źródło:
Journal of KONES; 2010, 17, 4; 207-212
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of active ceramic coating implementation on gasoline engine exhaust toxicity
Autorzy:
Janicka, A. B.
Walkowiak, W.
Sobianowska-Turek, A.
Powiązania:
https://bibliotekanauki.pl/articles/243998.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
inner catalyst
exhaust toxicity
internal combustion engine
exhausts toxicity
Opis:
One of the ways for toxic emissions reduction from internal combustion engines, beside external Exhaust purification systems and alternative fuels, is direct intervention into engine combustion process. The inner catalyst application, in form of ceramic active coating applied inside of combustion chamber, is one of the examples of that kind of solution. The application of active coating inside of a compression-ignition engine (diesel engine) may have an important impact on several stages of combustion process: fuel cracking, fore-flame phase, combustion phase and secondary combustion phase. Investigations of such construction are very rare in the literature. The paper presents the results of the researches which aim was analysis of inner catalyst application impact on toxic emissions. As a catalyst platinum and rhodium was used. As a catalyst support and local thermal barrier a zirconium ceramic coating was used. The catalyst was located on the gasoline engine valves surface. The research was done in Emission Research Laboratory of the Division of Motor Vehicles and Internal Combustion Engines. The analysis was done according to European standard (EN ISO 16017-1: 2006) on gas chromatograph (Yarian 450 GC) equipped in capillary column and flame-ionization detector (FID). The results of the researches proofed effectiveness of that solution on toxic emissions limitation.
Źródło:
Journal of KONES; 2010, 17, 3; 149-154
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Emission of volatile organic compounds during combustion process in a miniature turbojet engine
Autorzy:
Janicka, A. B.
Zawiślak, M.
Gawron, B.
Górniak, A.
Białecki, T.
Powiązania:
https://bibliotekanauki.pl/articles/208236.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
turbojet engine
alternative fuels
organic compounds
aviation fuel
volatile organic compounds
silnik turboodrzutowy
paliwa alternatywne
związki organiczne
paliwo lotnicze
lotne związki organiczne
Opis:
Aviation is one of the fastest growing modes of transport. Due to the growing number of flights, the consumption of aviation fuels (mainly jet fuels) keeps increasing. The combustion process in the aircraft engine results in harmful exhaust emissions having an adverse impact on the environment. Alternative fuels based on bio-components and biofuels are a way of reducing the harmful exhaust emissions. Analyses and measurements performed on real aircraft engines are complex and expensive. For this reason, increasingly more research and development projects have been carried out on small-scale engines. This paper presents investigations into volatile organic compound emissions from jet fuel combustion in a miniature turbojet engine. Based on chromatography tests, the compositions of exhaust gases produced by the jet engine fed with various fuels were determined, which in turn led to evaluation of its toxicity and harmfulness. Conventional fossil-based fuel Jet A-1 and a blend of Jet A-1 with 25 vol. % of biobutanol were tested at the same fuel flow rates. The engine working parameters such as, e.g., thrust or emission index have been determined with respect to the type of fuel. The test results have been compared and analyzed.
Źródło:
Environment Protection Engineering; 2018, 44, 4; 57-67
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental biomechanical assessment of plate stabilizers for treatment of pectus excavatum
Autorzy:
Kajzer, A.
Kajzer, W.
Gzik-Zroska, B.
Wolański, W.
Janicka, I.
Dzielicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/307022.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
biomechanical characteristics
metallic biomaterials
plate stabilizers
pectus excavatum
biomechanika
biomateriały
stabilizator
Opis:
The paper discusses results of experimental research involving new generation of plate stabilizers used for the treatment of deformation of the front chest wall. Previous clinical monitoring revealed instances of minimal rotation, which caused destabilization of the anastomosis and pain in patients. In order to prevent this, transverse stabilizing plates were introduced to the structure of the stabilizer. The new structure of stabilizers was tested using two specially prepared research posts: 1 – which enables fastening of the plate stabilizers to a platform simulating human ribs, 2 – using a pig chest, to which plates were fastened according to the stabilization conditions in the stabilizer–chest structure. The tests recorded displacement values in selected areas of the plates in response to applied loading forces.
Źródło:
Acta of Bioengineering and Biomechanics; 2013, 15, 3; 113-121
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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