New materials and ideas to be used in adiabatic engines

• Autorzy: Jaskólski J. , Krzyżak R.
• Języki publikacji: EN

Abstrakty

EN

This note concerns several topics. Firstly, a review of some less-known topics regarding the contemporary knowledge on TBC and piston caps is given. Then, it turns out that almost unknown New Periodic System of Elements can be of assistance to predict several properties of new TBC materials. Theoretically, there exist a possibility to join Si-AL-piston alloy with yttria-stabilised zirconia (and the like) by means of feId spars (plagioclase). The latter do not attain to melting temperature and can be arrested within the alloy. A shortened integral optical equation in the manner of inverse problem was used to compute the temperature drop accros the piston cap's layers. The YSZ layer operating in this hypothetical engine gave 517.5 graduate K drop, whereas the feldspar gave about 100-50graduate K temperature drop per mm. This arrangement would give minimised radiation and more or less 'cold' engine(piston). Perhaps, oxides of the thalium-sesquioxide-type structure would be better to stick to metal than the commonly used ones.

Słowa kluczowe

EN

feldspar; absorption coefficient; radiative transfer; coatings; piston cap; temperature drop; thermal conductivity; pyrochlore; PSZ; YSZ; BC; TBC

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2004
• Tom: Vol. 11, No. 1-2
• Strony: 288--294
• Opis fizyczny: Bibliogr. 29 poz.

Twórcy

autor

Jaskólski J.

• Cracow University of Technology Institiite of Vehicles and IC Engines, 31-155 Cracow, Warszawska 24, Poland Phone: [phone]

autor

Krzyżak R.

• Cracow University of Technology Institiite of Vehicles and IC Engines, 31-155 Cracow, Warszawska 24, Poland Phone: [phone]

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