Детайли за публикацията
(Publication details)

Autors: Mateev, V. M., Ivanov, G. I., Marinova, I. Y.
Title: Modeling of fluid flow cooling of high-speed rotational electrical devices
Keywords: Accurate estimation, Computational fluid dynamics modeling, Cooling conditions, Cooling model, Electrical devices, Electrical machine, Rotational speed, Rotational surface

Abstract: Internal cooling conditions in rotational electrical machines differs strongly from fluid contact with rotor surfaces, angular velocities, fluid flow thermal and mass characteristics, etc. Fast transients, decreasing internal gaps, different surface properties make cooling conditions difficult for accurate estimation. Here is presented a computational fluid dynamics model of fluid cooling over a rotating surface. Model estimates partial fluid flow velocities, and temperature distributions inside a simplified rotating device. Special attention is focused on the contacting fluid layer, directly interacting with rotational surface. Transient results about heat exchange ability according to rotational speed are acquired and discussed


    16th Conference on Electrical Machines, Drives and Power Systems, ELMA 2019 - Proceedings, vol. ELMA 2019, issue 16, pp. Article number 877163, 2019, Bulgaria, IEEE Inc, DOI 10.1109/ELMA.2019.8771637

    Copyright IEEE

    Вид: пленарен доклад в международен форум, публикация в реферирано издание, индексирана в Scopus