Aimed to the development of aero-engine cooled cooling air (CCA) technology, the thermal deposition characteristics of kerosene fuel RP-3 have been experimentally studied for long thermal duration at supercritical pressure. The fuel has been heated for 5 h in the three different stainless steel and passivated tube respectively at the pressure of 5 MPa. During the test, the fuel inlet and outlet temperature were fixed at 400 and 723 K with 3 g/s flow mass rate. In this work, it was found that the electrolytic passivation treatments could reduce the total deposition amount about 71.8%, while the pre-oxidized treatment gives nearly the same deposition amount compared with the as-received SS321 tube. In contrast to our previous short thermal duration experiments (1 h), the 5 h thermal duration deposition mechanisms have been discussed on the treated tubes surface based on the integrated analysis of local inner wall temperature, surface deposition distribution, SEM morphology and chemical composition.


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    Titel :

    Surface Deposition Characteristics on Long Thermal Duration Within Treated and Untreated Stain Steel Tubes of Supercritical Kerosene RP-3 Fuel


    Weitere Titelangaben:

    Lect. Notes Electrical Eng.


    Beteiligte:
    Zhu, Kun (Autor:in) / Yu, Xiao (Autor:in) / Xu, Guoqiang (Autor:in) / Li, Jiankun (Autor:in) / Zhang, Chunlei (Autor:in) / Cao, Maoguo (Autor:in)


    Erscheinungsdatum :

    2021-11-02


    Format / Umfang :

    14 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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