The influence of electric field on heat transfer in boiling cryogenic liquid

✍ Scribed by J. Rutkowski

• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 142 KB
• Volume: 17
• Category: Article
• ISSN: 0011-2275
• DOI: 10.1016/0011-2275(77)90173-4

✦ Synopsis

The correlation between heat transfer and electric phenomena has been known for 45 years. 1 In 1947 Kronig and Schwarz 2 presented a dimensionless relationship for heat transfer improvement due to the presence of electric field. Later Ahsmann and Kronig 3,4 adapted this relation to liquids in connexion with their studies on organic liquids. This paper deals with the influence of sinusoidal electric field (50 Hz) on heat transfer in a boiling cryogenic liquid. Liquid nitrogen, a non-polar dielectric liquid has been investigated under barometric pressure.

The apparatus used, shown in Fig. , was analogous to that of Ahsmann and Kronig. The measuring system was based on a horizontally tightened platinum wire, 70 mm long; diameter 0.1 mm, which simultaneously operated as a heating element and a calibrated resistance thermometer. The electric field was established by application of a sinu-