Numerical investigation of the characteristics of an ion drag pump |
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| Affiliation: | 1. Department of Mechanical Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan;2. Department of Mechanical Engineering, Toyohashi University of Technology, Japan;1. Department of Mechanical Engineering, Saginaw Valley State University, University Center, MI, 48710, USA;2. School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, OK, 73019, USA;1. National Taiwan University of Science and Technology, Taipei 10608, Taiwan;2. School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, OK 73019, USA |
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| Abstract: | Simple, lightweight electrohydrodynamic pumps having no moving parts and producing no mechanical vibration or noise can enhance heat transfer, control fluid flows, and increase drying. This paper reports a numerical investigation of electrohydrodynamic (EHD) pumps having one centrally located emitter and two collector electrodes. Results show that optimum sizes exist in the length of and spacing between the collectors. Collector electrodes with triangular cross-sections can yield better performance than those having rectangular cross-sections. The magnitude and distribution of the charge density significantly influence pump performance. |
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| Keywords: | Charge injection Electrode configuration Electrohydrodynamics Ion drag pump Numerical simulation |
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