Numerical simulation of the temperature effects on the performance of rotational supercavitating evaporator

Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций

Конференция: International Symposium on Cavitation and Multiphase Flow (ISCM); Tsinghua Univ, Beijing, PEOPLES R CHINA; Tsinghua Univ, Beijing, PEOPLES R CHINA

Год издания: 2015

Идентификатор DOI: 10.1088/1757-899X/72/6/062054

Ключевые слова: Critical current density (superconductivity), Desalination, Evaporators, Multiphase flow, Numerical models, Temperature, Critical state, Effect of temperature, Mechanical energies, Resistance moments, Rotational speed, Supercavitating, Supercavitating flows, Supercavitation, Cavitation

Аннотация: With the application of supercavitation effect, a novel device named Rotational Supercavitating Evaporator (RSCE) has been designed for desalination. In order to study the effect of temperature on the performance of RSCE and then direct the experimental study on RSCE for the next step, numerical simulations are conducted on the supercavitating flows in RSCE under different temperatures and rotational speeds. The results show that the rotational speed, resistance moment and mechanical energy consumed by the rotational cavitator under the critical state with the largest supercavity, decrease with the increase of temperature. And the area and volume of the supercavity increase exponentially with the increase of temperature under the same rotational speed.

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Издание

Журнал: INTERNATIONAL SYMPOSIUM OF CAVITATION AND MULTIPHASE FLOW (ISCM 2014), PTS 1-6

Выпуск журнала: Vol. 72

ISSN журнала: 17578981

Место издания: BRISTOL

Издатель: IOP PUBLISHING LTD

Авторы

  • Zheng Z.Y. (School of Energy Science and Engineering, Harbin Institute of Technology)
  • Cheng J.P. (School of Energy Science and Engineering, Harbin Institute of Technology)
  • Li F.C. (School of Energy Science and Engineering, Harbin Institute of Technology)
  • Zhang M. (School of Energy Science and Engineering, Harbin Institute of Technology)
  • Li Q. (School of Energy Science and Engineering, Harbin Institute of Technology)
  • Kulagin V.A. (Siberian Federal University)

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