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Full-Text Articles in Engineering
Experimental And Numerical Study Of Drag Reduction On Elliptical Cylinders Using Surface Grooves, Michael T. Brocker, David J. Mcdonell, Drake L. Pensworth, Joshua J. Swimm
Experimental And Numerical Study Of Drag Reduction On Elliptical Cylinders Using Surface Grooves, Michael T. Brocker, David J. Mcdonell, Drake L. Pensworth, Joshua J. Swimm
Channels: Where Disciplines Meet
Drag reduction on an object subject to external flow remains a topic of interest due to a wide range of applications. Previous studies showed that grooves on the surface of a circular cylinder lead to drag reduction, which had thus been applied to save energy in various implementations. In the present study, the effects of longitudinal surface grooves with respect to drag reduction on circular and elliptical cylinders were experimentally explored through resin additive manufacturing and a wind tunnel. Significant drag reduction originated by surface grooves was observed. In conjunction with experimental investigations, numerical analyses were performed with computational fluid …
Ac Power Monitoring System, Jared L. Newman, Luke M. Tomlinson, Grayson H. Dearing, Frederick G. Harmon
Ac Power Monitoring System, Jared L. Newman, Luke M. Tomlinson, Grayson H. Dearing, Frederick G. Harmon
Channels: Where Disciplines Meet
Motivated by high energy costs, people and organizations want to cut back on their energy consumption. However, the only feedback consumers typically receive is a monthly bill listing their total electricity usage (in kWh). Some companies have begun developing systems that allow households and organizations to monitor their energy usage for individual circuits. Available systems are expensive so a CU engineering senior design team has designed, fabricated, and tested a system for use at Cedarville University. The AC power monitoring system has the ability to measure energy consumption for each individual circuit in the breaker panel, store the data, and …