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oai:www.ideals.illinois.edu:2142/67028 2023-07-11 col_2142_5131 col_2142_14787 com_2142_5130 com_2142_9630 com_2142_234

Griffiths, Stewart Kingsley 2014-12-13T19:55:38Z 2014-12-13T19:55:38Z 10000-01-01 1980 1980 Analyses of heat and mass transfer from a drop in an electric field have, to data, dealt only with steady electric fields. This study extends the results of such analyses, for both high and low Peclet number, to corresponding solutions for transport in an alternating electric field. The low Peclet number transport is investigated analytically using a regular and a composite, double perturbation expansion. A digital computer is employed to obtain exact solutions to the recursive governing equations. Motivated by practical considerations, this investigation also examines such transport for an assemblage of drops. Effects of neighboring drops are included in the analysis of an alternating electric field and the induced fluid motion. The results obtained here, in conjunction with analyses of transport from a single drop, provide effective heat or mass transfer rates. In an allied study, the net rate of transient convective heat transfer from a body at uniform temperature in steady flow is shown to be invariant to pointwise reversal of the flow. The proof is not based on symmetry and places no restriction on shape of the body. It remains valid over the entire range of Reynolds and Peclet numbers. Made available in DSpace on 2014-12-13T19:55:38Z (GMT). No. of bitstreams: 1 8108524.pdf: 3099672 bytes, checksum: f6ed5d2d2921f6c420f3c0b6f7248a3d (MD5) Previous issue date: 1980 Embargo set by: Seth Robbins for item 67206 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 129 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1980. http://hdl.handle.net/2142/67028 (UMI)AAI8108524 eng Engineering, Mechanical The Convective Transport From Drops in an Electric Field text Mechanical Engineering Mechanical Engineering University of Illinois at Urbana-Champaign Dissertation Ph.D.