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Combustion in microturbines [Elektronski vir] : ssessment of methodology and innovative solutions for utilization of alternative fuelsSeljak, Tine, strojnik ; Širok, Brane ; Katrašnik, TomažTo further expand the knowledgebase on the use of innovative fuels in the micro gas turbines (MGT), this paper provides insight into interrelation between specific fuel properties and their impact on ... mixture formation, combustion and emission formation phenomena in a MGT for stationary power generation as well as their impact on material corrosion and deposit formation. The objective of this study is to identify potential issues that can be related to specific fuel properties and to propose counter measures for achieving stable, durable, efficient and low emission operation of the MGT while utilizing advanced/innovative fuels. In addition, cross influences of particular co unter measures are also addressed as the MGT system needs to be addressed holistically. To ensure sufficiently broad range of fuel properties two different fuels with significantly different properties were analysed, i.e. tire pyrolysis oil (TPO) and lique fied wood (LW). Holistic approach is reflected also in the scope of the analysis that covers entire fuel and gas path as well as in the applied methods, which are listed below with some main findings. Corrosion studies confirmed that lower preheating tempe rature of fuels with low pH value increases corrosion resistance of austenitic stainless steels and partial neutralization is a suitable measure to offset the negative influences of fuels with low pH value on materials. Analysis of spray velocity field via fast spray imaging revealed promoted mixture formation process and thus reduced spray penetration lengths by increasing the atomizing air pressure and the fuel temperature, which is of particular importance for the fuels with high viscosity. Cross - relation of these results with exhaust emissions provided boundaries of the multi - objective constraint space in terms of fuel composition, temperature, primary air temperature (PAT) and turbine inlet temperature (TIT) for efficient operation of the MGT with teste d fuels. Cross influences as for example positive effect of low pH neutralization, should be balanced with increased NO x emissions imposed by the neutralization, while both need to be balanced with optimum fuel temperature in the case of high viscosity fuels. Considering the deposits, sulphur content and several sulphate as well as oxide deposits are critically influencing hot-corrosion phenomena and abrasion damage of hot components.Vir: SDEWES Conference [Elektronski vir] : digital proceedings (Datoteka SDEWES2015_FP_438 (25 f.))Vrsta gradiva - prispevek na konferenciLeto - 2015Jezik - angleškiCOBISS.SI-ID - 14256923
Avtor
Seljak, Tine, strojnik |
Širok, Brane |
Katrašnik, Tomaž
Teme
mikroturbine |
inovativna goriva |
curek |
korozija |
depoziti |
emisije |
micro gas turbines |
innovative fuel |
spray |
corrosion |
deposits |
emissions
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Seljak, Tine, strojnik | 33516 |
Širok, Brane | 09286 |
Katrašnik, Tomaž | 23468 |
Vir: Osebne bibliografije
in: SICRIS
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