Investigation on the thermophoretic tension force induced by particle rotation

Shuangling Dong, Bingyang Cao, Ping Lin

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
229 Downloads (Pure)


Considering the rotational movement of particles in fluid with temperature gradient, the viewpoint that particles in the fluid will experience thermophoretic tension force is proposed. The force is related to the particle motion in thermophoresis but different from the thermophoretic force. The procedure to obtain the thermophoretic tension force is introduced. In analogy with the lift force on a rotating particle in uniform fluid flow, the expression for thermophoretic tension force exerted on a particle is given under the influence of temperature gradient. It is suggested that the thermophoretic tension force is perpendicular to the rotational axis and the direction of temperature gradient. The role of thermophoretic tension force is analysed for thermophoresis in microchannel and laboratory experiment related with the evolution of protoplanetary discs.
Original languageEnglish
Pages (from-to)2525-2529
Number of pages5
JournalMonthly Notices of the Royal Astronomical Society
Issue number3
Early online date4 Mar 2015
Publication statusPublished - 11 Apr 2015


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