ICONE11-36239 AN EXPERIMENTAL STUDY OF HEAT TRANSFER CHARACTERISTICS OF SINGLE AND TWO-PHASE FLOWS IN AN ANNULAR TUBE WITH EXTERNAL VIBRATIONS

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概要

• 論文の詳細を見る

• An experimental study of the external vibration effect on the heat transfer characteristics of single and two-phase flows in an annular tube is carried out. An experimental set-up was constructed to study the heat transfer in a stationary, as well as, in oscillating annular tube. The annular tube was heated electrically through the inner surface, which is a stainless steel tube (St 304) 13 mm outer diameter, while the outer tube, of 3.7 cm inner diameter, made from a glass. The experimental set-up was equipped with a vibrating system to excite the annular tube in the frequency range of 0 up to 134 Hz. Several sensors for measuring wall and fluid temperatures, heat fluxes and volume flow rates of both phases were used. The obtained results show that the heat transfer coefficient can be significantly increased by vibration of the test section.

著者

• Abdalla Hanafi

  Mechanical Power Dept. Faculty Of Engineering Cairo University

• ZAKI ADEL

  Atomic Energy Authority

• ABOU EL

  Mechanical Power Dept. Faculty of Engineering Cairo University

関連論文

• ICONE11-36239 AN EXPERIMENTAL STUDY OF HEAT TRANSFER CHARACTERISTICS OF SINGLE AND TWO-PHASE FLOWS IN AN ANNULAR TUBE WITH EXTERNAL VIBRATIONS

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