A micromixing apparatus includes a mixing microchannel formed in a top surface of a substrate having channel length and a variable channel width defined by a first sidewall surface and a opposing second sidewall surface. The channel width varies from a minimum channel width h to a maximum channel width H in a ratio of H:h greater than or equal to 1.1:1.0. A first inlet is for injecting a first fluid into the mixing microchannel and a second inlet for injecting a second fluid into the mixing microchannel. The first and second fluid flow in a flow direction in the mixing microchannel along the channel length. The first sidewall surface includes first curved surface portions and the second sidewall surface includes a second curved surface portions. The plurality of first curved surface portions and plurality of second curved surface portions are non-overlapping to provide a variable channel width.
US 8,430,558 B1
Application Serial Number
Assignee at Issuance
College of Engineering and Computer Science (CECS)
Mechanical and Aerospace Engineering
Assignee at Filing
Nonprovisional Application Record
Cho, Hyoung; Kumar, Ranganathan; and Yakhshi, Ehsan, "Microfludic Mixer Having Channel Width Variation for Enhanced Fluid Mixing" (2013). UCF Patents. 383.