An experimental study of electrohydrodynamic induction pumping of a stratified liquid/vapor medium
Electrohydrodynamic induction pumping is based on charges induced in the fluid and delayed at a gradient or discontinuity of the electric conductivity. A traveling electric wave then attracts or repels these induced charges, leading to fluid motion. Electrohydrodynamic pumps are generally lightweight, produce no vibrations, require little to no maintenance, are easily controllable by adjusting the applied voltage, and have low power consumption. They are also useful for the enhancement of heat transfer, as an increase in mass transport often translates to an augmentation of the heat transfer. Electrohydrodynamic induction pumping of a stratified liquid/vapor medium is quantitatively assessed utilizing Laser Doppler Anemometry. Data are presented suggesting that pumping is due to both interfacial and bulk effects. Values of turbulence intensity associated with this type of flow are briefly discussed for the various cases studied.
- Research Organization:
- Texas A and M Univ., College Station, TX (US)
- OSTI ID:
- 20067726
- Journal Information:
- Journal of Heat Transfer, Journal Name: Journal of Heat Transfer Journal Issue: 1 Vol. 122; ISSN 0022-1481; ISSN JHTRAO
- Country of Publication:
- United States
- Language:
- English
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