is the Dean of the College of Engineering and Computer Science and a professor of mechanical and civil engineering at the University of Evansville in Indiana. He is a member of the ASEE Engineering Deans Council. He is a fellow of the American Society of Mechanical Engineers and serves on their Board on Performance Test Codes. He chairs the PTC committee on Steam Generators and is vice-chair of the committee on Fans.
The free shear layer downstream of a backstep immersed in a supersonic stream is analyzed. The effects of the initial boundary layer and the expansion at the step corner are taken into account. The shear layer is divided into two distinct regions, an outer rotational nondissipative region and an inner dissipative locally similar mixing region which spreads both into the rotational outer region and the wake. The dynamic characteristics of the shear layer including the rate of spread of the inner mixing layer and the location of the jet boundary streamline are determined by an integral technique. Comparison of predicted velocity profiles with experimental data shows reasonable agreement.
The Rankine Cycler™ steam turbine system, produced by Turbine Technologies, Ltd., is a tabletop-sized working model of a fossil-fueled steam power plant. It is widely used by engineering colleges around the world.The objectives of this paper are threefold. First, undergraduate students that have used the Rankine Cycler were surveyed to assess the effectiveness of the device as a learning tool. The results of the survey can be applied so that the equipment is used in the undergraduate curriculum in the best possible manner. Inevitably, when a power generation plant is scaled-down and it has few efficiency-enhancing components (e.g. lack of feedwater heaters, etc.), energy losses in components will be magnified, substantially decreasing the cycle efficiency. Although the Rankine Cycler is a useful tool for teaching fundamentals of thermodynamics, fluid mechanics, heat transfer, and instrumentation systems in an undergraduate laboratory, a comprehensive analysis of the equipment has not been performed. This analysis would be useful to faculty and students who use the equipment and would also be useful to potential customers of Turbine Technologies. Faculty and students at two different universities have begun a comprehensive analysis of the Rankine Cycler. As an initial effort, the results of a parametric study of the effects of component losses on cycle efficiency are presented. Considerations in this study include boiler efficiency, turbine internal efficiency, turbine volumetric efficiency, mechanical efficiency, electric generator efficiency, boiler-to-turbine line losses (pressure and heat), and turbine-to-condenser line losses. In addition, proposals are made for experimental determination of Rankine Cycler component performance.Finally, in addition to the learning assessment and parametric study, future studies are outlined to complete a comprehensive analysis of the Rankine Cycler.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.