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Applying protective coating on the turbine engine turbine blades by means of plasma spraying

Ułanowicz Leszek, Dudziński Andrzej, Szczepaniak Paweł, Nowakowski Mirosław

Journal of KONBiN

2020

Vol. 50, iss. 1

193--213

The tendency to increase the temperature of gases and the desire to extend the service life forces the use of a protective coating on the blade. The publication presents the technology of applying a heat-resistant protective coating onto the jet engine turbine blade by means of plasma thermal spraying, taking into account the process of aluminizing and heat treatment after aluminizing. The paper presents the results of work on the possibilities of shaping the thickness of the protective coating on the blade by changing the parameters of the spraying process, such as spraying distance, amount of hydrogen, amount of argon and the number of torch passes.

Tendencja do zwiększania temperatury gazów oraz dążenie do przedłużenia czasu eksploatacji wymusza stosowanie na łopatkach turbiny silnika odrzutowego powłoki ochronnej. W publikacji przedstawiono technologię nanoszenia żaroodpornej powłoki ochronnej na łopatkę turbiny silnika odrzutowego metodą natryskiwania cieplnego plazmowego z uwzględnieniem procesu aluminiowania oraz obróbki cieplnej. Przedstawiono wyniki prac w zakresie możliwości kształtowania grubości powłoki ochronnej na łopatce zmieniając parametry procesu natryskiwania takie jak: odległość natryskiwania, ilość wodoru, ilość argonu oraz liczba przejść palnika.

Evaluation of relations operating and ecological parameters of turbine engines

Markowski J., Pielecha J., Jasiński R., Wirkowski P., Ślusarz G.

Journal of Polish CIMEEAC

2015

Vol. 10, no 1

101--115

The article concerns the evaluation of exhaust emissions from turbine engines. The results of the work are associated with development of analytical methods useful in estimating the emissions of harmful exhaust gases during turbine engine operating conditions. The results of studies and the interdependence between emission indicators and operating parameters were pointed out. The analysis of these interdependence shows a strong similarity in the nature of changes of particular relationship in relation to the engines tested, but also shows their individuality. The article shows the direction of further work to develop methods of assessment the emissions from turbine engines during their operation. The methods developed for the analysis of ecological parameters during operation of turbine engines may be useful to implement in models of assessing pollutant emissions from maritime transport and to analyze and evaluate the impact of transport on the environment. This assessment may be important to consider, with regards to meeting the newly introduced emission standards, in accordance with the MARPOL directive, which has been in force since January of 2015.